local colors = require "prismite.palette"

return {
    -- various variable names
    ["@variable"] = { link = "Identifier" },
    -- built-in variable names (e.g. `this`)
    ["@variable.builtin"] = { fg = colors.pink, bold = true },
    -- parameters of a function
    ["@variable.parameter"] = { link = "@variable" },
    -- special parameters (e.g. `_`, `it`)
    ["@variable.parameter.builtin"] = { link = "@variable.builtin" },
    -- object and struct fields
    ["@variable.member"] = { fg = colors.fg },

    -- constant identifiers
    ["@constant"] = { link = "Constant" },
    -- built-in constant values
    ["@constant.builtin"] = { link = "@constant" },
    -- constants defined by the preprocessor
    ["@constant.macro"] = { link = "@constant" },

    -- modules or namespaces
    ["@module"] = { italic = true },
    -- built-in modules or namespaces
    ["@module.builtin"] = { link = "@module" },
    -- GOTO and other labels (e.g. `label:` in C), including heredoc labels
    ["@label"] = { link = "Todo" },

    -- string literals
    ["@string"] = { link = "String" },
    -- string documenting code (e.g. Python docstrings
    ["@string.documentation"] = { link = "@comment" },
    -- regular expressions
    ["@string.regexp"] = { link = "@constant" },
    -- escape sequences
    ["@string.escape"] = { fg = colors.cyan },
    -- other special strings (e.g. dates)
    ["@string.special"] = { link = "@string" },
    -- symbols or atoms
    ["@string.special.symbol"] = { link = "@string" },
    -- URIs (e.g. hyperlinks)
    ["@string.special.url"] = { underline = true },
    -- filenames
    ["@string.special.path"] = { link = "@string" },

    -- character literals
    ["@character"] = { link = "@constant" },
    -- special characters (e.g. wildcards)
    ["@character.special"] = { link = "String" },

    -- boolean literals
    ["@boolean"] = { link = "@constant" },
    -- numeric literals
    ["@number"] = { link = "@constant" },
    -- floating-point number literals
    ["@number.float"] = { link = "@number" },

    -- type or class definitions and annotations
    ["@type"] = { link = "Type" },
    -- built-in types
    ["@type.builtin"] = { link = "@type" },
    -- identifiers in type definitions (e.g. `typedef <type> <identifier>` in C)
    ["@type.definition"] = { link = "@type" },

    -- attribute annotations (e.g. Python decorators, Rust lifetimes)
    ["@attribute"] = { link = "Function" },
    -- builtin annotations (e.g. `@property` in Python)
    ["@attribute.builtin"] = { link = "@attribute" },
    -- the key in key/value pairs
    ["@property"] = { fg = colors.fg },

    -- function definitions
    ["@function"] = { link = "Function" },
    -- built-in functions
    ["@function.builtin"] = { link = "@function" },
    -- function calls
    ["@function.call"] = { link = "@function" },
    -- preprocessor macros
    ["@function.macro"] = { link = "@constant.macro" },

    -- method definitions
    ["@function.method"] = { link = "@function" },
    -- method calls
    ["@function.method.call"] = { link = "@function.method" },

    -- constructor calls and definitions
    ["@constructor"] = { link = "@function" },
    -- this is overriden because for some reason the {} in table inits
    -- are parsed as constructors, which ig makes sense
    ["@constructor.lua"] = { fg = colors.fg },
    -- symbolic operators (e.g. `+` / `*`)
    ["@operator"] = { fg = colors.fg },

    -- keywords not fitting into specific categories
    ["@keyword"] = { link = "Keyword" },
    -- keywords related to coroutines (e.g. `go` in Go, `async/await` in Python)
    ["@keyword.coroutine"] = { link = "@keyword" },
    -- keywords that define a function (e.g. `func` in Go, `def` in Python)
    ["@keyword.function"] = { link = "@keyword" },
    -- operators that are English words (e.g. `and` / `or`)
    ["@keyword.operator"] = { link = "@keyword" },
    -- keywords for including or exporting modules (e.g. `import` / `from` in Python)
    ["@keyword.import"] = { link = "@keyword" },
    -- keywords describing namespaces and composite types (e.g. `struct`, `enum`)
    ["@keyword.type"] = { link = "@keyword" },
    -- keywords modifying other constructs (e.g. `const`, `static`, `public`)
    ["@keyword.modifier"] = { link = "@keyword" },
    -- keywords related to loops (e.g. `for` / `while`)
    ["@keyword.repeat"] = { link = "@keyword" },
    -- keywords like `return` and `yield`
    ["@keyword.return"] = { link = "@keyword" },
    -- keywords related to debugging
    ["@keyword.debug"] = { link = "@keyword" },
    -- keywords related to exceptions (e.g. `throw` / `catch`)
    ["@keyword.exception"] = { link = "@keyword" },

    -- keywords related to conditionals (e.g. `if` / `else`)
    ["@keyword.conditional"] = { link = "@keyword" },
    -- ternary operator (e.g. `?` / `:`)
    ["@keyword.conditional.ternary"] = { link = "@operator" },

    -- various preprocessor directives & shebangs
    ["@keyword.directive"] = { link = "@keyword" },
    -- preprocessor definition directives
    ["@keyword.directive.define"] = { link = "@keyword" },

    -- delimiters (e.g. `;` / `.` / `,`)
    ["@punctuation"] = { fg = colors.fg },
    -- brackets (e.g. `()` / `{}` / `[]`)
    ["@punctuation.special"] = { fg = colors.cyan },
    -- special symbols (e.g. `{}` in string interpolation)

    -- line and block comments
    ["@comment"] = { link = "Comment" },
    -- comments documenting code
    ["@comment.documentation"] = { link = "@comment" },

    ["@comment.error"] = { sp = colors.red, underline = true },
    ["@comment.warning"] = { sp = colors.orange, underline = true },
    ["@comment.todo"] = { link = "Todo" },
    ["@comment.note"] = { sp = colors.blue, underline = true },

    ["@markup.strong"] = { bold = true },
    ["@markup.italic"] = { italic = true },
    ["@markup.strikethrough"] = { strikethrough = true },
    ["@markup.underline"] = { underline = true },

    ["@markup.heading"] = { fg = colors.blue },

    ["@markup.link"] = { fg = colors.cyan },
    ["@markup.link.label"] = { bold = true },
    ["@markup.link.url"] = { underline = true },

    ["@diff.plus"] = { link = "Added" },
    ["@diff.delta"] = { link = "Changed" },
    ["@diff.minus"] = { link = "Removed" },

    ["@tag"] = { link = "htmlTag" },
    ["@tag.builtin"] = { link = "@tag" },
    ["@tag.attribute"] = { link = "@property" },
    ["@tag.delimeter"] = { link = "@tag" },

    ["@none"] = { link = "Normal" },
}