-- settings based on: https://github.com/navarasu/onedark.nvim
local vim = vim -- assign global "vim" to prevent a lot of warnings

vim.o.termguicolors = true
vim.g.colors_name = "montreal"

-- CONFIGURATION
local transparent = true;   -- whether to use a transparent background
local ending_tildes = false -- whether to show tildes (~) at the end of a buffer
-- possible font_style_* values: "none" or a comma separated combination of :h highlight-args
local font_style_comments = "italic"
local font_style_keywords = "none"
local font_style_functions = "none"
local font_style_strings = "none"
local font_style_variables = "none"
local invert_item_kind_icon_highlights_in_cmp_menu = false

-- COLORS
local none = "none"
local bg_darker = "#101018"
local bg_dark = "#1D1D2B"
local bg_normal = "#29293D"
local bg_light = "#353550"
local fg_darker = "#7575A3"
local fg_dark = "#A3A3C2"
local fg_normal = "#D1D1E0"
local fg_light = "#FFFFFF"

local red = "#FF5555"
local orange = "#FF8822"
local yellow = "#FFBB00"
local green = "#44BB44"
local cyan = "#44BBFF"
local blue = "#0099FF"
local violet = "#7788FF"
local purple = "#BB88FF"

local red_dark = "#DD2222"
--local orange_dark = "#CC4400"
local yellow_dark = "#AA6600"
local green_dark = "#228822"
local cyan_dark = "#334455"
local blue_dark = "#0066FF"
--local purple_dark = "#8855DD"

-- TERMINAL (darker shades)
vim.g.terminal_color_0 = fg_darker
vim.g.terminal_color_1 = red
vim.g.terminal_color_2 = violet
vim.g.terminal_color_3 = yellow
vim.g.terminal_color_4 = blue
vim.g.terminal_color_5 = purple
vim.g.terminal_color_6 = green
vim.g.terminal_color_7 = cyan
-- (lighter shades)
vim.g.terminal_color_8 = fg_darker
vim.g.terminal_color_9 = red
vim.g.terminal_color_10 = violet
vim.g.terminal_color_11 = yellow
vim.g.terminal_color_12 = blue
vim.g.terminal_color_13 = purple
vim.g.terminal_color_14 = green
vim.g.terminal_color_15 = cyan

-- HELPER FUNCTION TO SET HIGHLIGHT GROUPS
local function set_highlight_groups(highlight_groups)
    for group_name, group_values in pairs(highlight_groups) do
        vim.api.nvim_command(string.format("highlight %s guifg=%s guibg=%s guisp=%s gui=%s", group_name,
            group_values.fg or "none",
            group_values.bg or "none",
            group_values.sp or "none",
            group_values.fmt or "none"))
    end
end

-- COMMON HIGHLIGHTS
local common_highlights = {
    Normal = { fg = fg_normal, bg = transparent and none or bg_normal },
    Terminal = { fg = fg_normal, bg = transparent and none or bg_normal },
    EndOfBuffer = { fg = ending_tildes and bg_light or bg_normal, bg = transparent and none or bg_normal },
    FoldColumn = { fg = fg_normal, bg = transparent and none or bg_normal },
    Folded = { fg = fg_normal, bg = transparent and none or bg_normal },
    SignColumn = { fg = fg_normal, bg = transparent and none or bg_normal },
    ToolbarLine = { fg = fg_normal },
    Cursor = { fmt = "reverse" },
    vCursor = { fmt = "reverse" },
    iCursor = { fmt = "reverse" },
    lCursor = { fmt = "reverse" },
    CursorIM = { fmt = "reverse" },
    CursorColumn = { bg = bg_normal },
    CursorLine = { bg = bg_light },
    ColorColumn = { bg = bg_normal },
    CursorLineNr = { fg = fg_normal },
    LineNr = { fg = fg_darker },
    Conceal = { fg = fg_dark, bg = bg_normal },
    DiffAdd = { fg = none, bg = green_dark },
    DiffChange = { fg = none, bg = yellow_dark },
    DiffDelete = { fg = none, bg = red_dark },
    DiffText = { fg = none, bg = blue_dark },
    DiffAdded = { fg = green },
    DiffRemoved = { fg = red },
    DiffFile = { fg = cyan },
    DiffIndexLine = { fg = fg_dark },
    Directory = { fg = fg_dark },
    ErrorMsg = { fg = red, fmt = "bold" },
    WarningMsg = { fg = yellow, fmt = "bold" },
    MoreMsg = { fg = blue, fmt = "bold" },
    CurSearch = { fg = bg_dark, bg = green },
    IncSearch = { fg = bg_dark, bg = green },
    Search = { fg = bg_dark, bg = green_dark },
    Substitute = { fg = bg_dark, bg = green },
    MatchParen = { fg = none, fmt = "underline" },
    NonText = { fg = fg_dark },
    Whitespace = { fg = fg_dark },
    SpecialKey = { fg = fg_dark },
    Pmenu = { fg = fg_dark, bg = bg_dark },
    PmenuSbar = { bg = bg_dark },   -- scroll bar rail
    PmenuThumb = { bg = bg_light }, -- scroll bar
    PmenuSel = { fg = fg_light, bg = bg_light },
    PmenuMatch = { fg = blue },
    PmenuMatchSel = { fg = violet },
    WildMenu = { fg = bg_dark, bg = blue },
    Question = { fg = yellow },
    SpellBad = { fg = none, fmt = "undercurl", sp = red },
    SpellCap = { fg = none, fmt = "undercurl", sp = yellow },
    SpellLocal = { fg = none, fmt = "undercurl", sp = blue },
    SpellRare = { fg = none, fmt = "undercurl", sp = purple },
    StatusLine = { fg = fg_normal, bg = bg_light },
    StatusLineTerm = { fg = fg_normal, bg = bg_light },
    StatusLineNC = { fg = fg_dark, bg = bg_normal },
    StatusLineTermNC = { fg = fg_dark, bg = bg_normal },
    TabLine = { fg = fg_normal, bg = bg_normal },
    TabLineFill = { fg = fg_darker, bg = bg_dark },
    TabLineSel = { fg = bg_dark, bg = fg_normal },
    VertSplit = { fg = bg_normal },
    Visual = { fg = none, bg = cyan_dark },
    VisualNOS = { fg = none, bg = green, fmt = "underline" },
    QuickFixLine = { fg = blue, fmt = "underline" },
    Debug = { fg = yellow },
    debugPC = { fg = bg_dark, bg = green },
    debugBreakpoint = { fg = bg_dark, bg = red },
    ToolbarButton = { fg = bg_dark, bg = blue_dark },
    FloatBorder = { fg = fg_dark, bg = bg_normal },
    NormalFloat = { fg = fg_normal, bg = bg_normal },
}
set_highlight_groups(common_highlights)

-- SYNTAX HIGHLIGHTS
local syntax_highlights = {
    String = { fg = orange, fmt = font_style_strings },
    Character = { fg = green },
    Number = { fg = green },
    Float = { fg = green },
    Boolean = { fg = green },
    Type = { fg = violet },
    Structure = { fg = blue },
    StorageClass = { fg = blue },
    Identifier = { fg = red, fmt = font_style_variables },
    Constant = { fg = green },
    PreProc = { fg = purple },
    PreCondit = { fg = purple },
    Include = { fg = purple },
    Keyword = { fg = purple, fmt = font_style_keywords },
    Define = { fg = purple },
    Typedef = { fg = purple },
    Exception = { fg = purple },
    Conditional = { fg = purple, fmt = font_style_keywords },
    Repeat = { fg = purple, fmt = font_style_keywords },
    Statement = { fg = purple },
    Macro = { fg = red },
    Error = { fg = red },
    Label = { fg = purple },
    Special = { fg = red },
    SpecialChar = { fg = red },
    Function = { fg = yellow, fmt = font_style_functions },
    Operator = { fg = purple },
    Title = { fg = fg_normal, fmt = "bold" },
    Tag = { fg = green },
    Delimiter = { fg = fg_dark },
    Comment = { fg = fg_darker, fmt = font_style_comments },
    SpecialComment = { fg = fg_darker, fmt = font_style_comments },
    Todo = { fg = bg_dark, bg = yellow, fmt = font_style_comments .. ",bold" },
}
set_highlight_groups(syntax_highlights)

-- TREESITTER HIGHLIGHTS
local treesitter_highlights
if vim.api.nvim_call_function("has", { "nvim-0.8" }) ~= 1 then
    treesitter_highlights = {
        TSAnnotation = { fg = fg_normal },
        TSAttribute = { fg = blue },
        TSBoolean = { fg = green },
        TSCharacter = { fg = green },
        TSComment = { fg = fg_darker, fmt = font_style_comments },
        TSConditional = { fg = purple, fmt = font_style_keywords },
        TSConstant = { fg = green },
        TSConstBuiltin = { fg = green },
        TSConstMacro = { fg = green },
        TSConstructor = { fg = violet },
        TSError = { fg = fg_normal },
        TSException = { fg = purple },
        TSField = { fg = blue },
        TSFloat = { fg = green },
        TSFunction = { fg = yellow, fmt = font_style_functions },
        TSFuncBuiltin = { fg = cyan, fmt = font_style_functions },
        TSFuncMacro = { fg = cyan, fmt = font_style_functions },
        TSInclude = { fg = purple },
        TSKeyword = { fg = purple, fmt = font_style_keywords },
        TSKeywordFunction = { fg = purple, fmt = font_style_functions },
        TSKeywordOperator = { fg = purple, fmt = font_style_keywords },
        TSLabel = { fg = red },
        TSMethod = { fg = yellow, fmt = font_style_functions },
        TSNamespace = { fg = yellow },
        TSNone = { fg = fg_normal },
        TSNumber = { fg = green },
        TSOperator = { fg = purple },
        TSParameter = { fg = blue },
        TSParameterReference = { fg = blue },
        TSProperty = { fg = blue },
        TSPunctDelimiter = { fg = fg_dark },
        TSPunctBracket = { fg = fg_dark },
        TSPunctSpecial = { fg = red },
        TSRepeat = { fg = purple, fmt = font_style_keywords },
        TSString = { fg = orange, fmt = font_style_strings },
        TSStringRegex = { fg = yellow, fmt = font_style_strings },
        TSStringEscape = { fg = red, fmt = font_style_strings },
        TSSymbol = { fg = cyan },
        TSTag = { fg = purple },
        TSTagDelimiter = { fg = purple },
        TSText = { fg = fg_normal },
        TSStrong = { fg = fg_normal, fmt = "bold" },
        TSEmphasis = { fg = fg_normal, fmt = "italic" },
        TSUnderline = { fg = fg_normal, fmt = "underline" },
        TSStrike = { fg = fg_normal, fmt = "strikethrough" },
        TSTitle = { fg = fg_normal, fmt = "bold" },
        TSLiteral = { fg = orange },
        TSURI = { fg = orange, fmt = "underline" },
        TSMath = { fg = fg_normal },
        TSTextReference = { fg = blue },
        TSEnvironment = { fg = fg_normal },
        TSEnvironmentName = { fg = fg_normal },
        TSNote = { fg = fg_normal },
        TSWarning = { fg = fg_normal },
        TSDanger = { fg = fg_normal },
        TSType = { fg = violet },
        TSTypeBuiltin = { fg = violet },
        TSVariable = { fg = fg_normal, fmt = font_style_variables },
        TSVariableBuiltin = { fg = red, fmt = font_style_variables },
    }
else
    treesitter_highlights = {
        ["@annotation"] = { fg = fg_normal },
        ["@attribute"] = { fg = blue },
        ["@attribute.typescript"] = { fg = blue },
        ["@boolean"] = { fg = green },
        ["@character"] = { fg = green },
        ["@comment"] = { fg = fg_darker, fmt = font_style_comments },
        ["@conditional"] = { fg = purple, fmt = font_style_keywords },
        ["@constant"] = { fg = green },
        ["@constant.builtin"] = { fg = green },
        ["@constant.macro"] = { fg = orange },
        ["@constructor"] = { fg = violet },
        ["@error"] = { fg = fg_normal },
        ["@exception"] = { fg = purple },
        ["@field"] = { fg = blue },
        ["@float"] = { fg = green },
        ["@function"] = { fg = yellow, fmt = font_style_functions },
        ["@function.builtin"] = { fg = cyan, fmt = font_style_functions },
        ["@function.macro"] = { fg = blue, fmt = font_style_functions },
        ["@include"] = { fg = purple },
        ["@keyword"] = { fg = purple, fmt = font_style_keywords },
        ["@keyword.function"] = { fg = purple, fmt = font_style_functions },
        ["@keyword.operator"] = { fg = purple, fmt = font_style_keywords },
        ["@label"] = { fg = purple },
        ["@method"] = { fg = yellow, fmt = font_style_functions },
        ["@namespace"] = { fg = yellow },
        ["@none"] = { fg = fg_normal },
        ["@number"] = { fg = green },
        ["@operator"] = { fg = purple },
        ["@parameter"] = { fg = blue },
        ["@parameter.reference"] = { fg = blue },
        ["@preproc"] = { fg = purple },
        ["@property"] = { fg = blue },
        ["@punctuation.delimiter"] = { fg = fg_dark },
        ["@punctuation.bracket"] = { fg = fg_dark },
        ["@punctuation.special"] = { fg = red },
        ["@repeat"] = { fg = purple, fmt = font_style_keywords },
        ["@string"] = { fg = orange, fmt = font_style_strings },
        ["@string.regex"] = { fg = yellow, fmt = font_style_strings },
        ["@string.escape"] = { fg = red, fmt = font_style_strings },
        ["@symbol"] = { fg = cyan },
        ["@tag"] = { fg = purple },
        ["@tag.attribute"] = { fg = blue },
        ["@tag.delimiter"] = { fg = fg_dark },
        ["@text"] = { fg = fg_normal },
        ["@text.strong"] = { fg = fg_normal, fmt = "bold" },
        ["@text.emphasis"] = { fg = fg_normal, fmt = "italic" },
        ["@text.underline"] = { fg = fg_normal, fmt = "underline" },
        ["@text.strike"] = { fg = fg_normal, fmt = "strikethrough" },
        ["@text.title"] = { fg = fg_normal, fmt = "bold" },
        ["@text.literal"] = { fg = orange },
        ["@text.uri"] = { fg = orange, fmt = "underline" },
        ["@text.todo"] = { fg = bg_dark, bg = yellow, fmt = font_style_comments .. ",bold" },
        ["@text.math"] = { fg = fg_normal },
        ["@text.reference"] = { fg = blue },
        ["@text.environment"] = { fg = fg_normal },
        ["@text.environment.name"] = { fg = fg_normal },
        ["@text.diff.add"] = { fg = green },
        ["@text.diff.delete"] = { fg = red },
        ["@note"] = { fg = fg_normal },
        ["@warning"] = { fg = fg_normal },
        ["@danger"] = { fg = fg_normal },
        ["@type"] = { fg = violet },
        ["@type.builtin"] = { fg = violet },
        ["@variable"] = { fg = fg_normal, fmt = font_style_variables },
        ["@variable.builtin"] = { fg = red, fmt = font_style_variables },
    }
end
set_highlight_groups(treesitter_highlights)

-- LSP HIGHLIGHTS
if vim.api.nvim_call_function("has", { "nvim-0.9" }) == 1 then
    local lsp_highlights = {
        ["@lsp.type.comment"] = treesitter_highlights["@comment"],
        ["@lsp.type.enum"] = treesitter_highlights["@type"],
        ["@lsp.type.enumMember"] = treesitter_highlights["@constant.builtin"],
        ["@lsp.type.interface"] = treesitter_highlights["@type"],
        ["@lsp.type.typeParameter"] = treesitter_highlights["@type"],
        ["@lsp.type.keyword"] = treesitter_highlights["@keyword"],
        ["@lsp.type.namespace"] = treesitter_highlights["@namespace"],
        ["@lsp.type.parameter"] = treesitter_highlights["@parameter"],
        ["@lsp.type.property"] = treesitter_highlights["@property"],
        ["@lsp.type.variable"] = treesitter_highlights["@variable"],
        ["@lsp.type.macro"] = treesitter_highlights["@function.macro"],
        ["@lsp.type.method"] = treesitter_highlights["@method"],
        ["@lsp.type.number"] = treesitter_highlights["@number"],
        ["@lsp.type.generic"] = treesitter_highlights["@text"],
        ["@lsp.type.builtinType"] = treesitter_highlights["@type.builtin"],
        ["@lsp.typemod.method.defaultLibrary"] = treesitter_highlights["@function"],
        ["@lsp.typemod.function.defaultLibrary"] = treesitter_highlights["@function"],
        ["@lsp.typemod.operator.injected"] = treesitter_highlights["@operator"],
        ["@lsp.typemod.string.injected"] = treesitter_highlights["@string"],
        ["@lsp.typemod.variable.defaultLibrary"] = treesitter_highlights["@variable.builtin"],
        ["@lsp.typemod.variable.injected"] = treesitter_highlights["@variable"],
        ["@lsp.typemod.variable.static"] = treesitter_highlights["@constant"],
    }
    set_highlight_groups(lsp_highlights)
end

-- LANGUAGE HIGHLIGHTS
local c_language_highlights = {
    cInclude = { fg = blue },
    cStorageClass = { fg = purple },
    cTypedef = { fg = purple },
    cDefine = { fg = cyan },
    cTSInclude = { fg = blue },
    cTSConstant = { fg = green },
    cTSConstMacro = { fg = purple },
    cTSOperator = { fg = purple },
}
set_highlight_groups(c_language_highlights)

local cpp_language_highlights = {
    cppStatement = { fg = purple, fmt = "bold" },
    cppTSInclude = { fg = blue },
    cppTSConstant = { fg = green },
    cppTSConstMacro = { fg = purple },
    cppTSOperator = { fg = purple },
}
set_highlight_groups(cpp_language_highlights)

local markdown_language_highlights = {
    markdownBlockquote = { fg = fg_dark },
    markdownBold = { fg = none, fmt = "bold" },
    markdownBoldDelimiter = { fg = fg_dark },
    markdownCode = { fg = cyan },
    markdownCodeBlock = { fg = blue },
    markdownCodeDelimiter = { fg = purple },
    markdownH1 = { fg = fg_light, fmt = "bold,underline" },
    markdownH2 = { fg = fg_light, fmt = "bold,underline" },
    markdownH3 = { fg = fg_light, fmt = "bold,underline" },
    markdownH4 = { fg = fg_light, fmt = "bold,underline" },
    markdownH5 = { fg = fg_light, fmt = "bold,underline" },
    markdownH6 = { fg = fg_light, fmt = "bold,underline" },
    markdownHeadingDelimiter = { fg = fg_dark },
    markdownHeadingRule = { fg = fg_dark },
    markdownId = { fg = yellow },
    markdownIdDeclaration = { fg = red },
    markdownItalic = { fg = none, fmt = "italic" },
    markdownItalicDelimiter = { fg = fg_dark, fmt = "italic" },
    markdownLinkDelimiter = { fg = fg_dark },
    markdownLinkText = { fg = cyan, fmt = "underline" },
    markdownLinkTextDelimiter = { fg = fg_dark },
    markdownListMarker = { fg = purple },
    markdownOrderedListMarker = { fg = purple },
    markdownRule = { fg = purple },
    markdownUrl = { fg = blue, fmt = "underline" },
    markdownUrlDelimiter = { fg = fg_dark },
    markdownUrlTitleDelimiter = { fg = green }
}
set_highlight_groups(markdown_language_highlights)

local php_language_highlights = {
    phpFunctions = { fg = fg_normal, fmt = font_style_functions },
    phpMethods = { fg = cyan },
    phpStructure = { fg = purple },
    phpOperator = { fg = purple },
    phpMemberSelector = { fg = fg_normal },
    phpVarSelector = { fg = orange, fmt = font_style_variables },
    phpIdentifier = { fg = orange, fmt = font_style_variables },
    phpBoolean = { fg = cyan },
    phpNumber = { fg = orange },
    phpHereDoc = { fg = green },
    phpNowDoc = { fg = green },
    phpSCKeyword = { fg = purple, fmt = font_style_keywords },
    phpFCKeyword = { fg = purple, fmt = font_style_keywords },
    phpRegion = { fg = blue }
}
set_highlight_groups(php_language_highlights)

local scala_language_highlights = {
    scalaNameDefinition = { fg = fg_normal },
    scalaInterpolationBoundary = { fg = purple },
    scalaInterpolation = { fg = purple },
    scalaTypeOperator = { fg = red },
    scalaOperator = { fg = red },
    scalaKeywordModifier = { fg = red, fmt = font_style_keywords },
}
set_highlight_groups(scala_language_highlights)

local tex_language_highlights = {
    latexTSInclude         = { fg = blue },
    latexTSFuncMacro       = { fg = fg_normal, fmt = font_style_functions },
    latexTSEnvironment     = { fg = cyan, fmt = "bold" },
    latexTSEnvironmentName = { fg = yellow },
    texCmdEnv              = { fg = cyan },
    texEnvArgName          = { fg = yellow },
    latexTSTitle           = { fg = green },
    latexTSType            = { fg = violet },
    latexTSMath            = { fg = orange },
    texMathZoneX           = { fg = orange },
    texMathZoneXX          = { fg = orange },
    texMathDelimZone       = { fg = fg_light },
    texMathDelim           = { fg = purple },
    texMathOper            = { fg = red },
    texCmd                 = { fg = purple },
    texCmdPart             = { fg = blue },
    texCmdPackage          = { fg = blue },
    texPgfType             = { fg = yellow },
}
set_highlight_groups(tex_language_highlights)

local vim_language_highlights = {
    vimOption = { fg = red },
    vimSetEqual = { fg = yellow },
    vimMap = { fg = purple },
    vimMapModKey = { fg = orange },
    vimNotation = { fg = red },
    vimMapLhs = { fg = fg_normal },
    vimMapRhs = { fg = blue },
    vimVar = { fg = fg_normal, fmt = font_style_variables },
    vimCommentTitle = { fg = fg_light, fmt = font_style_comments },
}
set_highlight_groups(vim_language_highlights)

-- ICON PLUGIN HIGHLIGHTS
local item_kind_icon_colors = {
    Default = purple,
    Array = yellow,
    Boolean = green,
    Class = blue,
    Color = green,
    Constant = green,
    Constructor = violet,
    Enum = purple,
    EnumMember = blue,
    Event = yellow,
    Field = blue,
    File = blue,
    Folder = orange,
    Function = yellow,
    Interface = blue,
    Key = purple,
    Keyword = purple,
    Method = yellow,
    Module = orange,
    Namespace = red,
    Null = fg_dark,
    Number = green,
    Object = red,
    Operator = purple,
    Package = yellow,
    Property = blue,
    Reference = orange,
    Snippet = red,
    String = orange,
    Struct = blue,
    Text = fg_light,
    TypeParameter = red,
    Unit = orange,
    Value = green,
    Variable = cyan,
}
local cmp_plugin_highlights = {
    CmpItemAbbr = { fg = fg_normal },
    CmpItemAbbrDeprecated = { fg = fg_light, fmt = "strikethrough" },
    CmpItemAbbrMatch = { fg = cyan },
    CmpItemAbbrMatchFuzzy = { fg = cyan, fmt = "underline" },
    CmpItemMenu = { fg = fg_light },
    CmpItemKind = { fg = purple, fmt = invert_item_kind_icon_highlights_in_cmp_menu and "reverse" },
}
local navic_plugin_highlights = {
    NavicText = { fg = fg_normal },
    NavicSeparator = { fg = fg_light },
}
local outline_plugin_highlights = {
    FocusedSymbol = { fg = purple, bg = bg_light, fmt = "bold" },
    AerialLine = { fg = purple, bg = bg_light, fmt = "bold" },
}
for kind, color in pairs(item_kind_icon_colors) do
    cmp_plugin_highlights["CmpItemKind" .. kind] = {
        fg = color,
        fmt = invert_item_kind_icon_highlights_in_cmp_menu and
            "reverse"
    }
    navic_plugin_highlights["NavicIcons" .. kind] = { fg = color }
    outline_plugin_highlights["Aerial" .. kind .. "Icon"] = { fg = color }
end
set_highlight_groups(cmp_plugin_highlights)
set_highlight_groups(navic_plugin_highlights)
set_highlight_groups(outline_plugin_highlights)

-- LSP PLUGIN HIGHLIGHTS
local lsp_plugin_highlights = {
    LspCxxHlGroupEnumConstant = { fg = green },
    LspCxxHlGroupMemberVariable = { fg = orange },
    LspCxxHlGroupNamespace = { fg = blue },
    LspCxxHlSkippedRegion = { fg = fg_dark },
    LspCxxHlSkippedRegionBeginEnd = { fg = red },

    DiagnosticError = { fg = red },
    DiagnosticHint = { fg = yellow },
    DiagnosticInfo = { fg = cyan },
    DiagnosticWarn = { fg = yellow },

    DiagnosticVirtualTextError = { fg = red },
    DiagnosticVirtualTextWarn = { fg = yellow },
    DiagnosticVirtualTextInfo = { fg = cyan },
    DiagnosticVirtualTextHint = { fg = purple },

    DiagnosticUnderlineError = { fmt = "undercurl", sp = red },
    DiagnosticUnderlineHint = { fmt = "undercurl", sp = purple },
    DiagnosticUnderlineInfo = { fmt = "undercurl", sp = blue },
    DiagnosticUnderlineWarn = { fmt = "undercurl", sp = yellow },

    LspReferenceText = { bg = bg_light },
    LspReferenceWrite = { bg = bg_light },
    LspReferenceRead = { bg = bg_light },

    LspCodeLens = { fg = fg_darker, fmt = font_style_comments },
    LspCodeLensSeparator = { fg = fg_dark },
}
lsp_plugin_highlights.LspDiagnosticsDefaultError = lsp_plugin_highlights.DiagnosticError
lsp_plugin_highlights.LspDiagnosticsDefaultHint = lsp_plugin_highlights.DiagnosticHint
lsp_plugin_highlights.LspDiagnosticsDefaultInformation = lsp_plugin_highlights.DiagnosticInfo
lsp_plugin_highlights.LspDiagnosticsDefaultWarning = lsp_plugin_highlights.DiagnosticWarn
lsp_plugin_highlights.LspDiagnosticsUnderlineError = lsp_plugin_highlights.DiagnosticUnderlineError
lsp_plugin_highlights.LspDiagnosticsUnderlineHint = lsp_plugin_highlights.DiagnosticUnderlineHint
lsp_plugin_highlights.LspDiagnosticsUnderlineInformation = lsp_plugin_highlights.DiagnosticUnderlineInfo
lsp_plugin_highlights.LspDiagnosticsUnderlineWarning = lsp_plugin_highlights.DiagnosticUnderlineWarn
lsp_plugin_highlights.LspDiagnosticsVirtualTextError = lsp_plugin_highlights.DiagnosticVirtualTextError
lsp_plugin_highlights.LspDiagnosticsVirtualTextWarning = lsp_plugin_highlights.DiagnosticVirtualTextWarn
lsp_plugin_highlights.LspDiagnosticsVirtualTextInformation = lsp_plugin_highlights.DiagnosticVirtualTextInfo
lsp_plugin_highlights.LspDiagnosticsVirtualTextHint = lsp_plugin_highlights.DiagnosticVirtualTextHint
set_highlight_groups(lsp_plugin_highlights)

-- PLUGIN HIGHLIGHTS
local ale_plugin_highlights = {
    ALEErrorSign = lsp_plugin_highlights.DiagnosticError,
    ALEInfoSign = lsp_plugin_highlights.DiagnosticInfo,
    ALEWarningSign = lsp_plugin_highlights.DiagnosticWarn,
}
set_highlight_groups(ale_plugin_highlights)

local bufferline_plugin_highlights = {
    -- visible: the buffer is visible but not selected
    -- selected: the buffer is selected
    BufferLineFill = {},
    BufferLineBackground = { bg = bg_dark },               -- background of tabs with invisible and unselected buffers
    BufferLineSeparator = { fg = bg_light, bg = bg_dark }, -- single character between tabs

    BufferLineBufferVisible = { fg = fg_normal, bg = bg_normal },
    BufferLineBufferSelected = { fg = fg_light, bg = bg_light, fmt = "bold" },

    BufferLineDuplicate = { fg = fg_dark, bg = bg_dark },
    BufferLineDuplicateVisible = { fg = fg_normal, bg = bg_normal },
    BufferLineDuplicateSelected = { fg = fg_light, bg = bg_light, fmt = "bold" },

    BufferLineIndicatorVisible = { bg = bg_normal }, -- single character preceding buffer
    BufferLineIndicatorSelected = { bg = bg_light },

    BufferLinePick = { fg = blue, bg = bg_dark, fmt = "bold" }, -- single character identifying a buffer when picking
    BufferLinePickVisible = { fg = blue, bg = bg_normal, fmt = "bold" },
    BufferLinePickSelected = { fg = blue, bg = bg_light, fmt = "bold" },

    BufferLineNumbers = { fg = fg_dark, bg = bg_dark },
    BufferLineNumbersVisible = { fg = fg_normal, bg = bg_dark },
    BufferLineNumbersSelected = { fg = fg_light, bg = bg_dark },

    -- requires special code to work, see:
    -- https://github.com/akinsho/bufferline.nvim/issues/884#issuecomment-2734464291
    BufferLineDevIcon = { fg = fg_dark, bg = bg_dark },
    BufferLineDevIconVisible = { fg = fg_normal, bg = bg_normal },
    BufferLineDevIconSelected = { fg = fg_light, bg = bg_light },

    BufferLineModified = { fg = fg_dark, bg = bg_dark },
    BufferLineModifiedVisible = { fg = fg_normal, bg = bg_normal },
    BufferLineModifiedSelected = { fg = fg_light, bg = bg_light },

    BufferLineCloseButton = { fg = fg_dark, bg = bg_dark },
    BufferLineCloseButtonVisible = { fg = fg_dark, bg = bg_normal },
    BufferLineCloseButtonSelected = { fg = fg_normal, bg = bg_light },

    BufferLineHint = { fg = blue, bg = bg_dark },
    BufferLineHintVisible = { fg = blue, bg = bg_normal, fmt = "bold" },
    BufferLineHintSelected = { fg = blue, bg = bg_light, fmt = "bold" },
    BufferLineHintDiagnostic = { fg = blue, bg = bg_dark },
    BufferLineHintDiagnosticVisible = { fg = blue, bg = bg_normal, fmt = "bold" },
    BufferLineHintDiagnosticSelected = { fg = blue, bg = bg_light, fmt = "bold" },

    BufferLineInfo = { fg = blue, bg = bg_dark },
    BufferLineInfoVisible = { fg = blue, bg = bg_normal, fmt = "bold" },
    BufferLineInfoSelected = { fg = blue, bg = bg_light, fmt = "bold" },
    BufferLineInfoDiagnostic = { fg = blue, bg = bg_dark },
    BufferLineInfoDiagnosticVisible = { fg = blue, bg = bg_normal, fmt = "bold" },
    BufferLineInfoDiagnosticSelected = { fg = blue, bg = bg_light, fmt = "bold" },

    BufferLineWarning = { fg = yellow, bg = bg_dark },
    BufferLineWarningVisible = { fg = yellow, bg = bg_normal, fmt = "bold" },
    BufferLineWarningSelected = { fg = yellow, bg = bg_light, fmt = "bold" },
    BufferLineWarningDiagnostic = { fg = yellow, bg = bg_dark },
    BufferLineWarningDiagnosticVisible = { fg = yellow, bg = bg_normal, fmt = "bold" },
    BufferLineWarningDiagnosticSelected = { fg = yellow, bg = bg_light, fmt = "bold" },

    BufferLineError = { fg = red, bg = bg_dark },
    BufferLineErrorVisible = { fg = red, bg = bg_normal, fmt = "bold" },
    BufferLineErrorSelected = { fg = red, bg = bg_light, fmt = "bold" },
    BufferLineErrorDiagnostic = { fg = red, bg = bg_dark },
    BufferLineErrorDiagnosticVisible = { fg = red, bg = bg_normal, fmt = "bold" },
    BufferLineErrorDiagnosticSelected = { fg = red, bg = bg_light, fmt = "bold" },

    BufferLineTruncMarker = { fg = fg_normal },     -- the characters to show bufferline overflow to either side
    BufferLineOffsetSeparator = { fg = fg_normal }, -- separator between the bufferline and offset windows

    -- BufferLineGroupLabel = {},
    -- BufferLineGroupSeparator = {},

    -- BufferLineTab = {},
    -- BufferLineTabSelected = {},
    -- BufferLineTabClose = {},
    -- BufferLineTabSeparator = {},
    -- BufferLineTabSeparatorSelected = {},
}
set_highlight_groups(bufferline_plugin_highlights)

local barbar_plugin_highlights = {
    BufferCurrent = { fmt = "bold" },
    BufferCurrentMod = { fg = yellow, fmt = "bold" },
    BufferCurrentSign = { fg = purple },
    BufferInactiveMod = { fg = fg_light, bg = bg_normal },
    BufferVisible = { fg = fg_light, bg = bg_dark },
    BufferVisibleMod = { fg = yellow, bg = bg_dark },
    BufferVisibleIndex = { fg = fg_light, bg = bg_dark },
    BufferVisibleSign = { fg = fg_light, bg = bg_dark },
    BufferVisibleTarget = { fg = fg_light, bg = bg_dark },
}
set_highlight_groups(barbar_plugin_highlights)

local coc_plugin_highlights = {
    CocErrorSign = lsp_plugin_highlights.DiagnosticError,
    CocHintSign = lsp_plugin_highlights.DiagnosticHint,
    CocInfoSign = lsp_plugin_highlights.DiagnosticInfo,
    CocWarningSign = lsp_plugin_highlights.DiagnosticWarn,
}
set_highlight_groups(coc_plugin_highlights)

local dashboard_plugin_highlights = {
    DashboardShortCut = { fg = blue },
    DashboardHeader = { fg = yellow },
    DashboardCenter = { fg = cyan },
    DashboardFooter = { fg = red_dark, fmt = "italic" }
}
set_highlight_groups(dashboard_plugin_highlights)

local diffview_plugin_highlights = {
    DiffviewFilePanelTitle = { fg = blue, fmt = "bold" },
    DiffviewFilePanelCounter = { fg = purple, fmt = "bold" },
    DiffviewFilePanelFileName = { fg = fg_normal },
    DiffviewNormal = common_highlights.Normal,
    DiffviewCursorLine = common_highlights.CursorLine,
    DiffviewVertSplit = common_highlights.VertSplit,
    DiffviewSignColumn = common_highlights.SignColumn,
    DiffviewStatusLine = common_highlights.StatusLine,
    DiffviewStatusLineNC = common_highlights.StatusLineNC,
    DiffviewEndOfBuffer = common_highlights.EndOfBuffer,
    DiffviewFilePanelRootPath = { fg = fg_dark },
    DiffviewFilePanelPath = { fg = fg_dark },
    DiffviewFilePanelInsertions = { fg = green },
    DiffviewFilePanelDeletions = { fg = red },
    DiffviewStatusAdded = { fg = green },
    DiffviewStatusUntracked = { fg = blue },
    DiffviewStatusModified = { fg = blue },
    DiffviewStatusRenamed = { fg = blue },
    DiffviewStatusCopied = { fg = blue },
    DiffviewStatusTypeChange = { fg = blue },
    DiffviewStatusUnmerged = { fg = blue },
    DiffviewStatusUnknown = { fg = red },
    DiffviewStatusDeleted = { fg = red },
    DiffviewStatusBroken = { fg = red }
}
set_highlight_groups(diffview_plugin_highlights)

local gitgutter_plugin_highlights = {
    GitGutterAdd = { fg = green },
    GitGutterChange = { fg = yellow },
    GitGutterDelete = { fg = red },
}
set_highlight_groups(gitgutter_plugin_highlights)

local gitsigns_plugin_highlights = {
    GitSignsAdd = { fg = green },
    GitSignsAddLn = { fg = green },
    GitSignsAddNr = { fg = green },
    GitSignsChange = { fg = yellow },
    GitSignsChangeLn = { fg = yellow },
    GitSignsChangeNr = { fg = yellow },
    GitSignsDelete = { fg = red },
    GitSignsDeleteLn = { fg = red },
    GitSignsDeleteNr = { fg = red }
}
set_highlight_groups(gitsigns_plugin_highlights)

local hop_plugin_highlights = {
    HopNextKey = { fg = red, fmt = "bold" },
    HopNextKey1 = { fg = cyan, fmt = "bold" },
    HopNextKey2 = { fg = blue_dark },
    HopUnmatched = { fg = fg_dark },
}
set_highlight_groups(hop_plugin_highlights)

local indent_blankline_plugin_highlights = {
    IndentBlanklineIndent1 = { fg = blue },
    IndentBlanklineIndent2 = { fg = green },
    IndentBlanklineIndent3 = { fg = cyan },
    IndentBlanklineIndent4 = { fg = fg_light },
    IndentBlanklineIndent5 = { fg = purple },
    IndentBlanklineIndent6 = { fg = red },
    IndentBlanklineChar = { fg = bg_light, fmt = "nocombine" },
    IndentBlanklineContextChar = { fg = fg_darker, fmt = "nocombine" },
    IndentBlanklineContextStart = { sp = fg_darker, fmt = "underline" },
    IndentBlanklineContextSpaceChar = { fmt = "nocombine" },
}
set_highlight_groups(indent_blankline_plugin_highlights)

local mini_plugin_highlights = {
    MiniCompletionActiveParameter = { fmt = "underline" },

    MiniCursorword = { fmt = "underline" },
    MiniCursorwordCurrent = { fmt = "underline" },

    MiniIndentscopeSymbol = { fg = fg_dark },
    MiniIndentscopePrefix = { fmt = "nocombine" }, -- Make it invisible

    MiniJump = { fg = purple, fmt = "underline", sp = purple },

    MiniJump2dSpot = { fg = red, fmt = "bold,nocombine" },

    MiniStarterCurrent = { fmt = "nocombine" },
    MiniStarterFooter = { fg = red_dark, fmt = "italic" },
    MiniStarterHeader = { fg = yellow },
    MiniStarterInactive = { fg = fg_darker, fmt = font_style_comments },
    MiniStarterItem = { fg = fg_normal, bg = transparent and none or bg_dark },
    MiniStarterItemBullet = { fg = fg_dark },
    MiniStarterItemPrefix = { fg = yellow },
    MiniStarterSection = { fg = fg_light },
    MiniStarterQuery = { fg = cyan },

    MiniStatuslineDevinfo = { fg = fg_normal, bg = bg_light },
    MiniStatuslineFileinfo = { fg = fg_normal, bg = bg_light },
    MiniStatuslineFilename = { fg = fg_dark, bg = bg_normal },
    MiniStatuslineInactive = { fg = fg_dark, bg = bg_dark },
    MiniStatuslineModeCommand = { fg = bg_dark, bg = yellow, fmt = "bold" },
    MiniStatuslineModeInsert = { fg = bg_dark, bg = blue, fmt = "bold" },
    MiniStatuslineModeNormal = { fg = bg_dark, bg = green, fmt = "bold" },
    MiniStatuslineModeOther = { fg = bg_dark, bg = cyan, fmt = "bold" },
    MiniStatuslineModeReplace = { fg = bg_dark, bg = red, fmt = "bold" },
    MiniStatuslineModeVisual = { fg = bg_dark, bg = purple, fmt = "bold" },

    MiniSurround = { fg = bg_dark, bg = orange },

    MiniTablineCurrent = { fmt = "bold" },
    MiniTablineFill = { fg = fg_dark, bg = bg_normal },
    MiniTablineHidden = { fg = fg_normal, bg = bg_normal },
    MiniTablineModifiedCurrent = { fg = orange, fmt = "bold,italic" },
    MiniTablineModifiedHidden = { fg = fg_light, bg = bg_normal, fmt = "italic" },
    MiniTablineModifiedVisible = { fg = yellow, bg = bg_dark, fmt = "italic" },
    MiniTablineTabpagesection = { fg = bg_dark, bg = yellow_dark },
    MiniTablineVisible = { fg = fg_light, bg = bg_dark },

    MiniTestEmphasis = { fmt = "bold" },
    MiniTestFail = { fg = red, fmt = "bold" },
    MiniTestPass = { fg = green, fmt = "bold" },

    MiniTrailspace = { bg = red },
}
set_highlight_groups(mini_plugin_highlights)

local nvim_tree_plugin_highlights = {
    NvimTreeNormal = { fg = fg_normal, bg = transparent and none or bg_dark },
    NvimTreeVertSplit = { fg = bg_dark, bg = transparent and none or bg_dark },
    NvimTreeEndOfBuffer = { fg = ending_tildes and bg_light or bg_dark, bg = transparent and none or bg_dark },
    NvimTreeRootFolder = { fg = fg_dark, fmt = "bold" },
    NvimTreeGitDirty = { fg = fg_normal },
    NvimTreeGitNew = { fg = fg_normal },
    NvimTreeGitDeleted = { fg = red },
    NvimTreeSpecialFile = { fg = fg_normal, fmt = "underline" },
    NvimTreeIndentMarker = { fg = fg_dark },
    NvimTreeImageFile = { fg = fg_dark },
    NvimTreeSymlink = { fg = purple },
    NvimTreeFolderName = { fg = fg_dark },
	NvimTreeExecFile = { fg = fg_light  },
}
set_highlight_groups(nvim_tree_plugin_highlights)

local neo_tree_plugin_highlights = {
    NeoTreeNormal = { fg = fg_normal, bg = transparent and none or bg_dark },
    NeoTreeNormalNC = { fg = fg_normal, bg = transparent and none or bg_dark },
    NeoTreeVertSplit = { fg = bg_normal, bg = transparent and none or bg_normal },
    NeoTreeWinSeparator = { fg = bg_normal, bg = transparent and none or bg_normal },
    NeoTreeEndOfBuffer = { fg = ending_tildes and bg_light or bg_dark, bg = transparent and none or bg_dark },
    NeoTreeRootName = { fg = fg_dark, fmt = "bold" },
    NeoTreeGitAdded = { fg = green },
    NeoTreeGitDeleted = { fg = red },
    NeoTreeGitModified = { fg = yellow },
    NeoTreeGitConflict = { fg = red, fmt = "bold" },
    NeoTreeGitUntracked = { fg = red, fmt = "italic" },
    NeoTreeIndentMarker = { fg = fg_dark },
    NeoTreeSymbolicLinkTarget = { fg = purple },
}
set_highlight_groups(neo_tree_plugin_highlights)

local neotest_plugin_highlights = {
    NeotestAdapterName = { fg = purple, fmt = "bold" },
    NeotestDir = { fg = cyan },
    NeotestExpandMarker = { fg = fg_dark },
    NeotestFailed = { fg = red },
    NeotestFile = { fg = cyan },
    NeotestFocused = { fmt = "bold,italic" },
    NeotestIndent = { fg = fg_dark },
    NeotestMarked = { fg = orange, fmt = "bold" },
    NeotestNamespace = { fg = blue },
    NeotestPassed = { fg = green },
    NeotestRunning = { fg = yellow },
    NeotestWinSelect = { fg = cyan, fmt = "bold" },
    NeotestSkipped = { fg = fg_light },
    NeotestTarget = { fg = purple },
    NeotestTest = { fg = fg_normal },
    NeotestUnknown = { fg = fg_light },
}
set_highlight_groups(neotest_plugin_highlights)

local rainbow_delimiters_plugin_highlights = {
    RainbowDelimiterRed = { fg = red },
    RainbowDelimiterOrange = { fg = orange },
    RainbowDelimiterYellow = { fg = yellow },
    RainbowDelimiterGreen = { fg = green },
    RainbowDelimiterCyan = { fg = cyan },
    RainbowDelimiterBlue = { fg = blue },
    RainbowDelimiterViolet = { fg = purple },
}
set_highlight_groups(rainbow_delimiters_plugin_highlights)

local telescope_plugin_highlights = {
    TelescopeBorder = { fg = red },
    TelescopePromptBorder = { fg = cyan },
    TelescopeResultsBorder = { fg = cyan },
    TelescopePreviewBorder = { fg = cyan },
    TelescopeMatching = { fg = orange, fmt = "bold" },
    TelescopePromptPrefix = { fg = green },
    TelescopeSelection = { bg = bg_light },
    TelescopeSelectionCaret = { fg = yellow }
}
set_highlight_groups(telescope_plugin_highlights)

local ts_rainbow_plugin_highlights = {
    rainbowcol1 = { fg = fg_light },
    rainbowcol2 = { fg = yellow },
    rainbowcol3 = { fg = blue },
    rainbowcol4 = { fg = orange },
    rainbowcol5 = { fg = purple },
    rainbowcol6 = { fg = green },
    rainbowcol7 = { fg = red }
}
set_highlight_groups(ts_rainbow_plugin_highlights)

local ts_rainbow2_plugin_highlights = {
    TSRainbowRed = { fg = red },
    TSRainbowYellow = { fg = yellow },
    TSRainbowBlue = { fg = blue },
    TSRainbowOrange = { fg = orange },
    TSRainbowGreen = { fg = green },
    TSRainbowViolet = { fg = purple },
    TSRainbowCyan = { fg = cyan },
}
set_highlight_groups(ts_rainbow2_plugin_highlights)

local whichkey_plugin_highlights = {
    WhichKey = { fg = purple },
    WhichKeyDesc = { fg = blue },
    WhichKeyGroup = { fg = violet },
    WhichKeySeparator = { fg = fg_dark }
}
set_highlight_groups(whichkey_plugin_highlights)


local lualine_plugin_highlights = {
    lualine_a_normal = { fg = fg_normal, bg = bg_light, fmt = "bold" },
    lualine_b_normal = { fg = fg_normal, bg = bg_normal },
    lualine_c_normal = { fg = fg_dark, bg = bg_dark },
    lualine_a_insert = { fg = bg_darker, bg = blue, fmt = "bold" },
    lualine_b_insert = { fg = fg_normal, bg = bg_normal },
    lualine_c_insert = { fg = fg_dark, bg = bg_dark },
    lualine_a_replace = { fg = bg_darker, bg = cyan, fmt = "bold" },
    lualine_b_replace = { fg = fg_normal, bg = bg_normal },
    lualine_c_replace = { fg = fg_dark, bg = bg_dark },
    lualine_a_visual = { fg = bg_darker, bg = purple, fmt = "bold" },
    lualine_b_visual = { fg = fg_normal, bg = bg_normal },
    lualine_c_visual = { fg = fg_dark, bg = bg_dark },
    lualine_a_command = { fg = bg_darker, bg = yellow, fmt = "bold" },
    lualine_b_command = { fg = fg_normal, bg = bg_normal },
    lualine_c_command = { fg = fg_dark, bg = bg_dark },
    lualine_a_terminal = { fg = bg_darker, bg = violet, fmt = "bold" },
    lualine_b_terminal = { fg = fg_normal, bg = bg_normal },
    lualine_c_terminal = { fg = fg_dark, bg = bg_dark },
}
set_highlight_groups(lualine_plugin_highlights)