local M = {}

---@param options Options
function M._load(options)
	local h = require("rose-pine.util").highlight
	local p = require("rose-pine.palette")

	local groups = options.groups or {}
	local maybe = {
		base = (options.disable_background and p.none) or groups.background,
		surface = (options.disable_float_background and p.none) or groups.panel,
		italic = not options.disable_italics,
	}
	maybe.bold_vert_split = (options.bold_vert_split and groups.border) or p.none
	maybe.dim_nc_background = (options.dim_nc_background and groups.background_nc) or maybe.base

	local float_background = options.dim_nc_background
			and (options.disable_float_background and groups.panel_nc or groups.panel)
		or maybe.surface

	M.defaults = {
		["ColorColumn"] = { bg = p.overlay },
		["Conceal"] = { bg = p.none },
		["CurSearch"] = { link = "IncSearch" },
		["Cursor"] = { fg = p.text, bg = p.highlight_high },
		["CursorColumn"] = { bg = p.highlight_low },
		-- CursorIM = {},
		["CursorLine"] = { bg = p.highlight_low },
		["CursorLineNr"] = { fg = p.text },
		["DarkenedPanel"] = { bg = maybe.surface },
		["DarkenedStatusline"] = { bg = maybe.surface },
		["DiffAdd"] = { bg = groups.git_add, blend = 20 },

		["DiffChange"] = { bg = p.overlay },
		["DiffDelete"] = { bg = groups.git_delete, blend = 20 },
		["DiffText"] = { bg = groups.git_text, blend = 20 },
		["diffAdded"] = { link = "DiffAdd" },
		["diffChanged"] = { link = "DiffChange" },
		["diffRemoved"] = { link = "DiffDelete" },
		["Directory"] = { fg = p.foam, bg = p.none },
		-- EndOfBuffer = {},
		["ErrorMsg"] = { fg = p.crimson, bold = true },
		["FloatBorder"] = { fg = groups.border, bg = maybe.surface },
		["FloatTitle"] = { fg = p.muted },
		["FoldColumn"] = { fg = p.muted },
		["Folded"] = { fg = p.text, bg = maybe.surface },
		["IncSearch"] = { fg = p.base, bg = p.rose }, -- idk
		["LineNr"] = { fg = p.muted },
		["MatchParen"] = { fg = p.text, bg = p.highlight_med },
		["ModeMsg"] = { fg = p.subtle },
		["MoreMsg"] = { fg = p.iris },
		["NonText"] = { fg = p.muted },
		["Normal"] = { fg = p.text, bg = maybe.base },
		["NormalFloat"] = { fg = p.text, bg = maybe.surface },
		["NormalNC"] = { fg = p.text, bg = maybe.dim_nc_background },
		["NvimInternalError"] = { fg = "#ffffff", bg = p.love },
		["Pmenu"] = { fg = p.subtle, bg = maybe.surface },
		["PmenuSbar"] = { bg = p.highlight_low },
		["PmenuSel"] = { fg = p.text, bg = p.overlay },
		["PmenuThumb"] = { bg = p.highlight_med },
		["Question"] = { fg = p.gold },
		-- QuickFixLine = {},
		-- RedrawDebugNormal = {}
		["RedrawDebugClear"] = { fg = "#ffffff", bg = p.gold },
		["RedrawDebugComposed"] = { fg = "#ffffff", bg = p.sand },
		["RedrawDebugRecompose"] = { fg = "#ffffff", bg = p.crimson },
		["Search"] = { bg = p.highlight_med },
		["SpecialKey"] = { fg = p.foam },
		["SpellBad"] = { sp = p.subtle, undercurl = true },
		["SpellCap"] = { sp = p.subtle, undercurl = true },
		["SpellLocal"] = { sp = p.subtle, undercurl = true },
		["SpellRare"] = { sp = p.subtle, undercurl = true },
		["SignColumn"] = {
			fg = p.text,
			bg = (options.dim_nc_background and p.none) or maybe.base,
		},
		["Substitute"] = { fg = p.base, bg = p.love }, -- IDK
		["StatusLine"] = { fg = p.subtle, bg = groups.panel },
		["StatusLineNC"] = { fg = p.muted, bg = groups.panel_nc },
		["StatusLineTerm"] = { link = "StatusLine" },
		["StatusLineTermNC"] = { link = "StatusLineNC" },
		["TabLine"] = { fg = p.subtle, bg = groups.panel },
		["TabLineFill"] = { bg = groups.panel },
		["TabLineSel"] = { fg = p.text, bg = p.overlay },
		["Title"] = { fg = p.text },
		["VertSplit"] = { fg = groups.border, bg = maybe.bold_vert_split },
		["Visual"] = { bg = p.highlight_med },
		-- VisualNOS = {},
		["WarningMsg"] = { fg = p.gold },
		-- Whitespace = {},
		["WildMenu"] = { link = "IncSearch" },

		["Boolean"] = { fg = p.blu, italic = maybe.italic },
		["Character"] = { fg = p.gold },
		["Comment"] = { fg = groups.comment, italic = maybe.italic },
		["Conditional"] = { fg = p.sand },
		["Constant"] = { fg = p.foam }, -- IDK or gold
		["Debug"] = { fg = p.rose },
		["Define"] = { fg = p.iris },
		["Delimiter"] = { fg = p.subtle },
		["Error"] = { fg = p.crimson },
		["Exception"] = { fg = p.sand },
		["Float"] = { fg = p.gold },
		["Function"] = { fg = p.ocean },
		["Identifier"] = { fg = p.rose },
		-- Ignore = {},
		["Include"] = { fg = p.sand },
		["Keyword"] = { fg = p.sand, italic = maybe.italic },
		["Label"] = { fg = p.foam },
		["Macro"] = { fg = p.iris },
		["Number"] = { fg = p.gold },
		["Operator"] = { fg = p.subtle },
		["PreCondit"] = { fg = p.iris },
		["PreProc"] = { fg = p.iris },
		["Repeat"] = { fg = p.sand },
		["Special"] = { fg = p.rose },
		["SpecialChar"] = { fg = p.rose },
		["SpecialComment"] = { fg = p.iris },
		["Statement"] = { fg = p.sand },
		["StorageClass"] = { fg = p.foam },
		["String"] = { fg = p.calm },
		["Structure"] = { fg = p.foam },
		["Tag"] = { fg = p.foam },
		["Todo"] = { fg = p.iris },
		["Type"] = { fg = p.foam },
		["Typedef"] = { link = "Type" },
		["Underlined"] = { underline = true },

		["htmlArg"] = { fg = p.iris },
		["htmlBold"] = { bold = true },
		["htmlEndTag"] = { fg = p.subtle },
		["htmlH1"] = { fg = groups.headings.h1, bold = true },
		["htmlH2"] = { fg = groups.headings.h2, bold = true },
		["htmlH3"] = { fg = groups.headings.h3, bold = true },
		["htmlH4"] = { fg = groups.headings.h4, bold = true },
		["htmlH5"] = { fg = groups.headings.h5, bold = true },
		["htmlItalic"] = { italic = maybe.italic },
		["htmlLink"] = { fg = groups.link },
		["htmlTag"] = { fg = p.subtle },
		["htmlTagN"] = { fg = p.text },
		["htmlTagName"] = { fg = p.foam },

		["markdownDelimiter"] = { fg = p.subtle },
		["markdownH1"] = { fg = groups.headings.h1, bold = true },
		["markdownH1Delimiter"] = { link = "markdownH1" },
		["markdownH2"] = { fg = groups.headings.h2, bold = true },
		["markdownH2Delimiter"] = { link = "markdownH2" },
		["markdownH3"] = { fg = groups.headings.h3, bold = true },
		["markdownH3Delimiter"] = { link = "markdownH3" },
		["markdownH4"] = { fg = groups.headings.h4, bold = true },
		["markdownH4Delimiter"] = { link = "markdownH4" },
		["markdownH5"] = { fg = groups.headings.h5, bold = true },
		["markdownH5Delimiter"] = { link = "markdownH5" },
		["markdownH6"] = { fg = groups.headings.h6, bold = true },
		["markdownH6Delimiter"] = { link = "markdownH6" },
		["markdownLinkText"] = { fg = groups.link, sp = groups.link, underline = true },
		["markdownUrl"] = { link = "markdownLinkText" },

		["mkdCode"] = { fg = p.foam, italic = maybe.italic },
		["mkdCodeDelimiter"] = { fg = p.rose },
		["mkdCodeEnd"] = { fg = p.foam },
		["mkdCodeStart"] = { fg = p.foam },
		["mkdFootnotes"] = { fg = p.foam },
		["mkdID"] = { fg = p.foam, underline = true },
		["mkdInlineURL"] = { fg = groups.link, underline = true },
		["mkdLink"] = { link = "mkdInlineURL" },
		["mkdLinkDef"] = { link = "mkdInlineURL" },
		["mkdListItemLine"] = { fg = p.text },
		["mkdRule"] = { fg = p.subtle },
		["mkdURL"] = { link = "mkdInlineURL" },

		["DiagnosticError"] = { fg = groups.error },
		["DiagnosticHint"] = { fg = groups.hint },
		["DiagnosticInfo"] = { fg = groups.info },
		["DiagnosticWarn"] = { fg = groups.warn },
		["DiagnosticDefaultError"] = { fg = groups.error },
		["DiagnosticDefaultHint"] = { fg = groups.hint },
		["DiagnosticDefaultInfo"] = { fg = groups.info },
		["DiagnosticDefaultWarn"] = { fg = groups.warn },
		["DiagnosticFloatingError"] = { fg = groups.error },
		["DiagnosticFloatingHint"] = { fg = groups.hint },
		["DiagnosticFloatingInfo"] = { fg = groups.info },
		["DiagnosticFloatingWarn"] = { fg = groups.warn },
		["DiagnosticSignError"] = { fg = groups.error },
		["DiagnosticSignHint"] = { fg = groups.hint },
		["DiagnosticSignInfo"] = { fg = groups.info },
		["DiagnosticSignWarn"] = { fg = groups.warn },
		["DiagnosticStatusLineError"] = { fg = groups.error, bg = groups.panel },
		["DiagnosticStatusLineHint"] = { fg = groups.hint, bg = groups.panel },
		["DiagnosticStatusLineInfo"] = { fg = groups.info, bg = groups.panel },
		["DiagnosticStatusLineWarn"] = { fg = groups.warn, bg = groups.panel },
		["DiagnosticUnderlineError"] = { sp = groups.error, undercurl = true },
		["DiagnosticUnderlineHint"] = { sp = groups.hint, undercurl = true },
		["DiagnosticUnderlineInfo"] = { sp = groups.info, undercurl = true },
		["DiagnosticUnderlineWarn"] = { sp = groups.warn, undercurl = true },
		["DiagnosticVirtualTextError"] = { fg = groups.error },
		["DiagnosticVirtualTextHint"] = { fg = groups.hint },
		["DiagnosticVirtualTextInfo"] = { fg = groups.info },
		["DiagnosticVirtualTextWarn"] = { fg = groups.warn },

		-- healthcheck
		["healthError"] = { fg = groups.error },
		["healthSuccess"] = { fg = groups.info },
		["healthWarning"] = { fg = groups.warn },

		-- Treesitter
		["@boolean"] = { link = "Boolean" },
		["@character"] = { link = "Character" },
		["@character.special"] = { link = "@character" },
		["@class"] = { fg = p.foam },
		["@comment"] = { link = "Comment" },
		["@conditional"] = { link = "Conditional" },
		["@constant"] = { link = "Constant" },
		["@constant.builtin"] = { fg = p.love },
		["@constant.macro"] = { link = "@constant" },
		["@constructor"] = { fg = p.foam },
		["@field"] = { fg = p.pink },
		["@function"] = { link = "Function" },
		["@function.builtin"] = { fg = p.love },
		["@function.macro"] = { link = "@function" },
		["@include"] = { link = "Include" },
		["@interface"] = { fg = p.foam },
		["@keyword"] = { link = "Keyword" },
		["@keyword.operator"] = { fg = p.subtle },
		["@label"] = { link = "Label" },
		["@macro"] = { link = "Macro" },
		["@method"] = { fg = p.rose },
		["@number"] = { link = "Number" },
		["@operator"] = { link = "Operator" },
		["@parameter"] = { fg = p.iris, italic = maybe.italic },
		["@preproc"] = { link = "PreProc" },
		["@property"] = { fg = p.rose, italic = maybe.italic },
		["@punctuation"] = { fg = groups.punctuation },
		["@punctuation.bracket"] = { link = "@punctuation" },
		["@punctuation.delimiter"] = { link = "@punctuation" },
		["@punctuation.special"] = { link = "@punctuation" },
		["@regexp"] = { link = "String" },
		["@repeat"] = { link = "Repeat" },
		["@storageclass"] = { link = "StorageClass" },
		["@string"] = { link = "String" },
		["@string.escape"] = { fg = p.sand },
		["@string.special"] = { link = "@string" },
		["@symbol"] = { link = "Identifier" },
		["@tag"] = { link = "Tag" },
		["@tag.attribute"] = { fg = p.iris },
		["@tag.delimiter"] = { fg = p.subtle },
		["@text"] = { fg = p.text },
		["@text.strong"] = { bold = true },
		["@text.emphasis"] = { italic = true },
		["@text.underline"] = { underline = true },
		["@text.strike"] = { strikethrough = true },
		["@text.math"] = { link = "Special" },
		["@text.environment"] = { link = "Macro" },
		["@text.environment.name"] = { link = "Type" },
		["@text.title"] = { link = "Title" },
		["@text.uri"] = { fg = groups.link },
		["@text.note"] = { link = "SpecialComment" },
		["@text.warning"] = { fg = groups.warn },
		["@text.danger"] = { fg = groups.error },
		["@todo"] = { link = "Todo" },
		["@type"] = { link = "Type" },
		["@variable"] = { fg = p.text, italic = maybe.italic },
		["@variable.builtin"] = { fg = p.love },
		["@namespace"] = { link = "@include" },

		-- LSP Semantic Token Groups
		["@lsp.type.comment"] = {},
		["@lsp.type.enum"] = { link = "@type" },
		["@lsp.type.keyword"] = { link = "@keyword" },
		["@lsp.type.interface"] = { link = "@interface" },
		["@lsp.type.namespace"] = { link = "@namespace" },
		["@lsp.type.parameter"] = { link = "@parameter" },
		["@lsp.type.property"] = { link = "@property" },
		["@lsp.type.variable"] = {}, -- use treesitter styles for regular variables
		["@lsp.typemod.function.defaultLibrary"] = { link = "Special" },
		["@lsp.typemod.variable.defaultLibrary"] = { link = "@variable.builtin" },

		-- LSP Injected Groups
		["@lsp.typemod.operator.injected"] = { link = "@operator" },
		["@lsp.typemod.string.injected"] = { link = "@string" },
		["@lsp.typemod.variable.injected"] = { link = "@variable" },

		-- nvim-treesitter Markdown Headings
		["@text.title.1.markdown"] = { link = "markdownH1" },
		["@text.title.1.marker.markdown"] = { link = "markdownH1Delimiter" },
		["@text.title.2.markdown"] = { link = "markdownH2" },
		["@text.title.2.marker.markdown"] = { link = "markdownH2Delimiter" },
		["@text.title.3.markdown"] = { link = "markdownH3" },
		["@text.title.3.marker.markdown"] = { link = "markdownH3Delimiter" },
		["@text.title.4.markdown"] = { link = "markdownH4" },
		["@text.title.4.marker.markdown"] = { link = "markdownH4Delimiter" },
		["@text.title.5.markdown"] = { link = "markdownH5" },
		["@text.title.5.marker.markdown"] = { link = "markdownH5Delimiter" },
		["@text.title.6.markdown"] = { link = "markdownH6" },
		["@text.title.6.marker.markdown"] = { link = "markdownH6Delimiter" },

		-- vim.lsp.buf.document_highlight()
		["LspReferenceText"] = { bg = p.highlight_med },
		["LspReferenceRead"] = { bg = p.highlight_med },
		["LspReferenceWrite"] = { bg = p.highlight_med },

		-- lsp-highlight-codelens
		["LspCodeLens"] = { fg = p.subtle }, -- virtual text of code len
		["LspCodeLensSeparator"] = { fg = p.highlight_high }, -- separator between two or more code len

		-- romgrk/barbar.nvim
		["BufferCurrent"] = { fg = p.text, bg = p.overlay },
		["BufferCurrentIndex"] = { fg = p.text, bg = p.overlay },
		["BufferCurrentMod"] = { fg = p.foam, bg = p.overlay },
		["BufferCurrentSign"] = { fg = p.subtle, bg = p.overlay },
		["BufferCurrentTarget"] = { fg = p.gold, bg = p.overlay },
		["BufferInactive"] = { fg = p.subtle },
		["BufferInactiveIndex"] = { fg = p.subtle },
		["BufferInactiveMod"] = { fg = p.foam },
		["BufferInactiveSign"] = { fg = p.muted },
		["BufferInactiveTarget"] = { fg = p.gold },
		["BufferTabpageFill"] = { fg = groups.background, bg = groups.background },
		["BufferVisible"] = { fg = p.subtle },
		["BufferVisibleIndex"] = { fg = p.subtle },
		["BufferVisibleMod"] = { fg = p.foam },
		["BufferVisibleSign"] = { fg = p.muted },
		["BufferVisibleTarget"] = { fg = p.gold },

		-- lewis6991/gitsigns.nvim
		["GitSignsAdd"] = { fg = groups.git_add, bg = groups.background },
		["GitSignsChange"] = { fg = groups.git_change, bg = groups.background },
		["GitSignsDelete"] = { fg = groups.git_delete, bg = groups.background },
		["SignAdd"] = { link = "GitSignsAdd" },
		["SignChange"] = { link = "GitSignsChange" },
		["SignDelete"] = { link = "GitSignsDelete" },

		-- mvllow/modes.nvim
		["ModesCopy"] = { bg = p.gold },
		["ModesDelete"] = { bg = p.crimson },
		["ModesInsert"] = { bg = p.foam },
		["ModesVisual"] = { bg = p.iris },

		-- kyazdani42/nvim-tree.lua
		["NvimTreeEmptyFolderName"] = { fg = p.muted },
		["NvimTreeFileDeleted"] = { fg = p.crimson },
		["NvimTreeFileDirty"] = { fg = p.rose },
		["NvimTreeFileMerge"] = { fg = p.iris },
		["NvimTreeFileNew"] = { fg = p.foam },
		["NvimTreeFileRenamed"] = { fg = p.sand },
		["NvimTreeFileStaged"] = { fg = p.iris },
		["NvimTreeFolderIcon"] = { fg = p.subtle },
		["NvimTreeFolderName"] = { fg = p.foam },
		["NvimTreeGitDeleted"] = { fg = groups.git_delete },
		["NvimTreeGitDirty"] = { fg = groups.git_dirty },
		["NvimTreeGitIgnored"] = { fg = groups.git_ignore },
		["NvimTreeGitMerge"] = { fg = groups.git_merge },
		["NvimTreeGitNew"] = { fg = groups.git_add },
		["NvimTreeGitRenamed"] = { fg = groups.git_rename },
		["NvimTreeGitStaged"] = { fg = groups.git_stage },
		["NvimTreeImageFile"] = { fg = p.text },
		["NvimTreeNormal"] = { fg = p.text },
		["NvimTreeOpenedFile"] = { fg = p.text, bg = p.highlight_med },
		["NvimTreeOpenedFolderName"] = { link = "NvimTreeFolderName" },
		["NvimTreeRootFolder"] = { fg = p.iris },
		["NvimTreeSpecialFile"] = { link = "NvimTreeNormal" },
		["NvimTreeWindowPicker"] = { fg = p.love, bg = p.love, blend = 10 },

		-- nvim-neo-tree/neo-tree.nvim
		["NeoTreeTitleBar"] = { fg = p.surface, bg = p.pine },
		["NeoTreeGitAdded"] = { fg = p.foam },
		["NeoTreeGitModified"] = { fg = p.rose },
		["NeoTreeGitDeleted"] = { fg = p.love },
		["NeoTreeGitRenamed"] = { fg = p.pine },
		["NeoTreeGitIgnored"] = { fg = p.muted },
		["NeoTreeGitUntracked"] = { fg = p.gold },
		["NeoTreeGitConflict"] = { fg = p.iris },

		-- folke/which-key.nvim
		["WhichKey"] = { fg = p.iris },
		["WhichKeyGroup"] = { fg = p.foam },
		["WhichKeySeparator"] = { fg = p.subtle },
		["WhichKeyDesc"] = { fg = p.gold },
		["WhichKeyFloat"] = { bg = maybe.surface },
		["WhichKeyValue"] = { fg = p.rose },

		-- luka-reineke/indent-blankline.nvim
		["IndentBlanklineChar"] = { fg = p.muted, nocombine = true },
		["IndentBlanklineSpaceChar"] = { fg = p.muted, nocombine = true },
		["IndentBlanklineSpaceCharBlankline"] = { fg = p.muted, nocombine = true },

		-- hrsh7th/nvim-cmp
		["CmpItemAbbr"] = { fg = p.subtle },
		["CmpItemAbbrDeprecated"] = { fg = p.subtle, strikethrough = true },
		["CmpItemAbbrMatch"] = { fg = p.text, bold = true },
		["CmpItemAbbrMatchFuzzy"] = { fg = p.text, bold = true },
		["CmpItemKind"] = { fg = p.iris },
		["CmpItemKindClass"] = { fg = p.gold },
		["CmpItemKindFunction"] = { fg = p.iris },
		["CmpItemKindInterface"] = { fg = p.gold },
		["CmpItemKindMethod"] = { fg = p.iris },
		["CmpItemKindSnippet"] = { fg = p.sand },
		["CmpItemKindVariable"] = { fg = p.foam },

		-- TimUntersberger/neogit
		["NeogitDiffAddHighlight"] = { fg = p.foam, bg = p.highlight_med },
		["NeogitDiffContextHighlight"] = { bg = p.highlight_low },
		["NeogitDiffDeleteHighlight"] = { fg = p.love, bg = p.highlight_med },
		["NeogitHunkHeader"] = { bg = p.highlight_low },
		["NeogitHunkHeaderHighlight"] = { bg = p.highlight_low },

		-- vimwiki/vimwiki
		["VimwikiHR"] = { fg = p.subtle },
		["VimwikiHeader1"] = { fg = groups.headings.h1, bold = true },
		["VimwikiHeader2"] = { fg = groups.headings.h2, bold = true },
		["VimwikiHeader3"] = { fg = groups.headings.h3, bold = true },
		["VimwikiHeader4"] = { fg = groups.headings.h4, bold = true },
		["VimwikiHeader5"] = { fg = groups.headings.h5, bold = true },
		["VimwikiHeader6"] = { fg = groups.headings.h6, bold = true },
		["VimwikiHeaderChar"] = { fg = p.pine },
		["VimwikiLink"] = { fg = groups.link, underline = true },
		["VimwikiList"] = { fg = p.iris },
		["VimwikiNoExistsLink"] = { fg = p.love },

		-- nvim-neorg/neorg
		["NeorgHeading1Prefix"] = { fg = groups.headings.h1, bold = true },
		["NeorgHeading1Title"] = { link = "NeorgHeading1Prefix" },
		["NeorgHeading2Prefix"] = { fg = groups.headings.h2, bold = true },
		["NeorgHeading2Title"] = { link = "NeorgHeading2Prefix" },
		["NeorgHeading3Prefix"] = { fg = groups.headings.h3, bold = true },
		["NeorgHeading3Title"] = { link = "NeorgHeading3Prefix" },
		["NeorgHeading4Prefix"] = { fg = groups.headings.h4, bold = true },
		["NeorgHeading4Title"] = { link = "NeorgHeading4Prefix" },
		["NeorgHeading5Prefix"] = { fg = groups.headings.h5, bold = true },
		["NeorgHeading5Title"] = { link = "NeorgHeading5Prefix" },
		["NeorgHeading6Prefix"] = { fg = groups.headings.h6, bold = true },
		["NeorgHeading6Title"] = { link = "NeorgHeading6Prefix" },
		["NeorgMarkerTitle"] = { fg = p.text, bold = true },

		-- tami5/lspsaga.nvim (fork of glepnir/lspsaga.nvim)
		["DefinitionCount"] = { fg = p.rose },
		["DefinitionIcon"] = { fg = p.rose },
		["DefintionPreviewTitle"] = { fg = p.rose, bold = true },
		["LspFloatWinBorder"] = { fg = groups.border },
		["LspFloatWinNormal"] = { bg = maybe.surface },
		["LspSagaAutoPreview"] = { fg = p.subtle },
		["LspSagaCodeActionBorder"] = { fg = groups.border },
		["LspSagaCodeActionContent"] = { fg = p.foam },
		["LspSagaCodeActionTitle"] = { fg = p.gold, bold = true },
		["LspSagaCodeActionTruncateLine"] = { link = "LspSagaCodeActionBorder" },
		["LspSagaDefPreviewBorder"] = { fg = groups.border },
		["LspSagaDiagnosticBorder"] = { fg = groups.border },
		["LspSagaDiagnosticHeader"] = { fg = p.gold, bold = true },
		["LspSagaDiagnosticTruncateLine"] = { link = "LspSagaDiagnosticBorder" },
		["LspSagaDocTruncateLine"] = { link = "LspSagaHoverBorder" },
		["LspSagaFinderSelection"] = { fg = p.gold },
		["LspSagaHoverBorder"] = { fg = groups.border },
		["LspSagaLspFinderBorder"] = { fg = groups.border },
		["LspSagaRenameBorder"] = { fg = p.pine },
		["LspSagaRenamePromptPrefix"] = { fg = p.love },
		["LspSagaShTruncateLine"] = { link = "LspSagaSignatureHelpBorder" },
		["LspSagaSignatureHelpBorder"] = { fg = p.pine },
		["ReferencesCount"] = { fg = p.rose },
		["ReferencesIcon"] = { fg = p.rose },
		["SagaShadow"] = { bg = p.overlay },
		["TargetWord"] = { fg = p.iris },

		-- ray-x/lsp_signature.nvim
		["LspSignatureActiveParameter"] = { bg = p.overlay },

		-- rlane/pounce.nvim
		["PounceAccept"] = { fg = p.love, bg = p.highlight_high },
		["PounceAcceptBest"] = { fg = p.base, bg = p.gold },
		["PounceGap"] = { link = "Search" },
		["PounceMatch"] = { link = "Search" },

		-- ggandor/leap.nvim
		["LeapMatch"] = { link = "MatchParen" },
		["LeapLabelPrimary"] = { link = "IncSearch" },
		["LeapLabelSecondary"] = { fg = p.base, bg = p.pine },

		-- phaazon/hop.nvim
		["HopNextKey"] = { fg = p.love },
		["HopNextKey1"] = { fg = p.foam },
		["HopNextKey2"] = { fg = p.pine },
		["HopUnmatched"] = { fg = p.highlight_high },

		-- nvim-telescope/telescope.nvim
		["TelescopeBorder"] = { fg = groups.border, bg = float_background },
		["TelescopeMatching"] = { fg = p.rose },
		["TelescopeNormal"] = { fg = p.subtle, bg = float_background },
		["TelescopePromptNormal"] = { fg = p.text, bg = float_background },
		["TelescopePromptPrefix"] = { fg = p.subtle },
		["TelescopeSelection"] = { fg = p.text, bg = p.overlay },
		["TelescopeSelectionCaret"] = { fg = p.rose, bg = p.overlay },
		["TelescopeTitle"] = { fg = p.subtle },

		-- rcarriga/nvim-notify
		["NotifyINFOBorder"] = { fg = p.foam },
		["NotifyINFOTitle"] = { link = "NotifyINFOBorder" },
		["NotifyINFOIcon"] = { link = "NotifyINFOBorder" },
		["NotifyWARNBorder"] = { fg = p.gold },
		["NotifyWARNTitle"] = { link = "NotifyWARNBorder" },
		["NotifyWARNIcon"] = { link = "NotifyWARNBorder" },
		["NotifyDEBUGBorder"] = { fg = p.muted },
		["NotifyDEBUGTitle"] = { link = "NotifyDEBUGBorder" },
		["NotifyDEBUGIcon"] = { link = "NotifyDEBUGBorder" },
		["NotifyTRACEBorder"] = { fg = p.iris },
		["NotifyTRACETitle"] = { link = "NotifyTRACEBorder" },
		["NotifyTRACEIcon"] = { link = "NotifyTRACEBorder" },
		["NotifyERRORBorder"] = { fg = p.crimson },
		["NotifyERRORTitle"] = { link = "NotifyERRORBorder" },
		["NotifyERRORIcon"] = { link = "NotifyERRORBorder" },

		-- rcarriga/nvim-dap-ui
		["DapUIVariable"] = { link = "Normal" },
		["DapUIValue"] = { link = "Normal" },
		["DapUIFrameName"] = { link = "Normal" },
		["DapUIThread"] = { fg = p.gold },
		["DapUIWatchesValue"] = { link = "DapUIThread" },
		["DapUIBreakpointsInfo"] = { link = "DapUIThread" },
		["DapUIBreakpointsCurrentLine"] = { fg = p.gold, bold = true },
		["DapUIWatchesEmpty"] = { fg = p.crimson },
		["DapUIWatchesError"] = { link = "DapUIWatchesEmpty" },
		["DapUIBreakpointsDisabledLine"] = { fg = p.muted },
		["DapUISource"] = { fg = p.iris },
		["DapUIBreakpointsPath"] = { fg = p.foam },
		["DapUIScope"] = { link = "DapUIBreakpointsPath" },
		["DapUILineNumber"] = { link = "DapUIBreakpointsPath" },
		["DapUIBreakpointsLine"] = { link = "DapUIBreakpointsPath" },
		["DapUIFloatBorder"] = { link = "DapUIBreakpointsPath" },
		["DapUIStoppedThread"] = { link = "DapUIBreakpointsPath" },
		["DapUIDecoration"] = { link = "DapUIBreakpointsPath" },
		["DapUIModifiedValue"] = { fg = p.foam, bold = true },

		-- glepnir/dashboard-nvim
		["DashboardShortcut"] = { fg = p.love },
		["DashboardHeader"] = { fg = p.pine },
		["DashboardCenter"] = { fg = p.gold },
		["DashboardFooter"] = { fg = p.iris },

		-- SmiteshP/nvim-navic
		["NavicIconsFile"] = { fg = p.base },
		["NavicIconsModule"] = { fg = p.rose },
		["NavicIconsNamespace"] = { fg = p.base },
		["NavicIconsPackage"] = { fg = p.base },
		["NavicIconsClass"] = { fg = p.foam },
		["NavicIconsMethod"] = { fg = p.iris },
		["NavicIconsProperty"] = { fg = p.foam },
		["NavicIconsField"] = { fg = p.foam },
		["NavicIconsConstructor"] = { fg = p.gold },
		["NavicIconsEnum"] = { fg = p.gold },
		["NavicIconsInterface"] = { fg = p.foam },
		["NavicIconsFunction"] = { fg = p.pine },
		["NavicIconsVariable"] = { fg = p.text },
		["NavicIconsConstant"] = { fg = p.gold },
		["NavicIconsString"] = { fg = p.gold },
		["NavicIconsNumber"] = { fg = p.gold },
		["NavicIconsBoolean"] = { fg = p.rose },
		["NavicIconsArray"] = { fg = p.gold },
		["NavicIconsObject"] = { fg = p.gold },
		["NavicIconsKey"] = { fg = p.iris },
		["NavicIconsKeyword"] = { fg = p.pine },
		["NavicIconsNull"] = { fg = p.love },
		["NavicIconsEnumMember"] = { fg = p.foam },
		["NavicIconsStruct"] = { fg = p.foam },
		["NavicIconsEvent"] = { fg = p.gold },
		["NavicIconsOperator"] = { fg = p.subtle },
		["NavicIconsTypeParameter"] = { fg = p.foam },
		["NavicText"] = { fg = p.subtle },
		["NavicSeparator"] = { fg = p.subtle },

		-- folke/noice.nvim
		["NoiceCursor"] = { fg = p.highlight_high, bg = p.text }, -- IDK

		-- echasnovski/mini.indentscope
		["MiniIndentscopeSymbol"] = { fg = p.highlight_med },
		["MiniIndentscopeSymbolOff"] = { fg = p.highlight_med },

		-- goolord/alpha-nvim
		["AlphaHeader"] = { fg = p.pine },
		["AlphaButtons"] = { fg = p.foam },
		["AlphaShortcut"] = { fg = p.rose },
		["AlphaFooter"] = { fg = p.gold },
	}
	-- Set users highlight_group customisations.
	for group, opts in pairs(options.highlight_groups) do
		local default_opts = M.defaults[group]

		if (opts.inherit == nil or opts.inherit) and default_opts ~= nil then -- On merge.
			opts.inherit = nil -- Don't add this key to the highlight_group after merge.
			M.defaults[group] = vim.tbl_extend("force", default_opts, opts)
		else -- On overwrite.
			opts.inherit = nil -- Don't add this key to the highlight_group.
			M.defaults[group] = opts
		end
	end

	-- Set highlights.
	for group, color in pairs(M.defaults) do
		h(group, color)
	end
end

return M