local palette = require("n8n.palette")

---@class N8nTheme
local M = {}

function M.colors()
  return {
    -- Editor backgrounds (mirroring n8n's layered dark surfaces)
    bg            = palette.neutral_950,   -- #171717 canvas background
    bg_dark       = palette.neutral_black, -- #000000 deepest bg
    bg_float      = palette.neutral_900,   -- #212121 floating panels
    bg_popup      = palette.neutral_850,   -- #2b2b2b popup menus
    bg_sidebar    = palette.neutral_900,   -- #212121 sidebar/tree
    bg_statusline = palette.neutral_900,   -- #212121 statusline
    bg_visual     = palette.neutral_750,   -- #424242 visual selection
    bg_highlight  = palette.neutral_850,   -- #2b2b2b cursorline
    bg_search     = palette.yellow_900,    -- #332700 search highlight bg

    -- Foregrounds
    fg            = palette.neutral_200,   -- #e0e0e0 primary text
    fg_bright     = palette.neutral_white, -- #ffffff bright text
    fg_dark       = palette.neutral_400,   -- #949494 muted text
    fg_gutter     = palette.neutral_600,   -- #757575 gutter/line numbers
    fg_sidebar    = palette.neutral_300,   -- #adadad sidebar text

    -- Borders (n8n uses white alpha overlays on dark)
    border        = palette.neutral_700,   -- #4d4d4d default border
    border_highlight = palette.neutral_600, -- #757575 active border

    -- Brand accent (n8n orange in dark mode)
    accent        = palette.orange_300,    -- #ff6f5c brand accent
    accent_hover  = palette.orange_400,    -- #ff4b33 hover state
    accent_active = palette.orange_500,    -- #ff1e00 active/pressed

    -- Syntax colors (derived from n8n's code editor + JSON viewer)
    keyword       = palette.orange_300,    -- #ff6f5c keywords (brand color)
    string        = palette.purple_400,    -- #a098dc strings
    func          = palette.blue_300,      -- #7fb3e6 functions
    variable      = palette.neutral_200,   -- #e0e0e0 variables
    constant      = palette.gold_400,      -- #e6a23d constants
    number        = palette.green_600,     -- #29a360 numbers
    boolean       = palette.green_600,     -- #29a360 booleans
    type          = palette.purple_300,    -- #c3bee9 types
    operator      = palette.orange_250,    -- #ff9c8f operators
    property      = palette.blue_400,      -- #4891db properties/fields
    parameter     = palette.gold_300,      -- #efc381 parameters
    comment       = palette.neutral_500,   -- #828282 comments
    punctuation   = palette.neutral_400,   -- #949494 punctuation
    tag           = palette.orange_300,    -- #ff6f5c HTML/XML tags
    attribute     = palette.purple_400,    -- #a098dc attributes
    namespace     = palette.slate_300,     -- #adabba namespaces
    preproc       = palette.brand_pink,    -- #EA4B71 preprocessor
    special       = palette.highlight_2,   -- #a977f0 special symbols
    regex         = palette.mint_500,      -- #16e975 regex
    escape        = palette.mint_600,      -- #13cd67 escape sequences
    builtin       = palette.blue_300,      -- #7fb3e6 built-in functions

    -- JSON viewer colors (directly from n8n's JSON display)
    json_key      = palette.neutral_125,   -- #f5f5f5 JSON keys
    json_string   = palette.purple_400,    -- #a098dc JSON string values
    json_number   = palette.green_600,     -- #29a360 JSON numbers
    json_boolean  = palette.green_600,     -- #29a360 JSON booleans
    json_null     = palette.red_400,       -- #f16a75 JSON null
    json_bracket  = palette.neutral_700,   -- #4d4d4d brackets

    -- Diagnostics
    error         = palette.red_600,       -- #ea1f30
    warning       = palette.yellow_500,    -- #ffc400
    info          = palette.blue_500,      -- #2878c8
    hint          = palette.green_500,     -- #33cc78

    -- Diff
    diff_add      = palette.green_950,     -- #0a291a
    diff_change   = palette.blue_900,      -- #081a2b
    diff_delete   = palette.red_950,       -- #4f070d
    diff_text     = palette.blue_800,      -- #13385e

    -- Git signs
    git_add       = palette.green_500,     -- #33cc78
    git_change    = palette.blue_400,      -- #4891db
    git_delete    = palette.red_500,       -- #ee4452

    -- n8n-specific semantic colors
    node_bg       = palette.neutral_850,   -- node card background
    node_border   = palette.purple_500,    -- pinned node border
    sticky_bg     = palette.yellow_900,    -- sticky note background
    sticky_border = palette.yellow_800,    -- sticky note border
    sticky_text   = palette.neutral_125,   -- sticky note text
    success_bg    = palette.green_950,     -- success state bg
    success_fg    = palette.green_50,      -- success state text
    danger_bg     = palette.red_950,       -- danger state bg
    danger_fg     = palette.red_50,        -- danger state text
    info_bg       = palette.blue_900,      -- info state bg
    info_fg       = palette.blue_50,       -- info state text

    -- Terminal colors
    terminal = {
      black         = palette.neutral_950,
      red           = palette.red_500,
      green         = palette.green_500,
      yellow        = palette.yellow_500,
      blue          = palette.blue_400,
      magenta       = palette.purple_500,
      cyan          = palette.mint_500,
      white         = palette.neutral_200,
      bright_black  = palette.neutral_600,
      bright_red    = palette.red_400,
      bright_green  = palette.green_400,
      bright_yellow = palette.yellow_300,
      bright_blue   = palette.blue_300,
      bright_magenta = palette.purple_400,
      bright_cyan   = palette.mint_600,
      bright_white  = palette.neutral_white,
    },
  }
end

return M