-- nighthawks.lua
-- Neovim colorscheme inspired by Edward Hopper's "Nighthawks" (1942)
-- Dark = cinematic nighttime neon
-- Light = soft morning reinterpretation

local variant = vim.g.nighthawks_variant or "dark"

local colors = {}

if variant == "dark" then
  colors = {
    bg         = "#0e1a22", -- Deep midnight navy
    fg         = "#d4d8dc", -- Pale warm white
    comment    = "#6a7b85", -- Smoky teal-gray
    red        = "#d15b4d", -- Neon diner red
    green      = "#6fa88d", -- Jade counter green
    yellow     = "#e3c770", -- Warm interior light
    blue       = "#5a87a5", -- Windowpane blue
    magenta    = "#b67aa0", -- Soft wine glow
    cyan       = "#77aab7", -- Cool teal accent
    cursorline = "#172730", -- Slightly lighter than bg
    highlight  = "#24404f", -- Dim cyan highlight
  }
else
  colors = {
    bg         = "#f6f4f2", -- Muted paper white
    fg         = "#2f3b44", -- Charcoal ink
    comment    = "#868d93", -- Cool gray
    red        = "#b14f42", -- Brick red
    green      = "#5d8b76", -- Muted jade
    yellow     = "#c8a856", -- Soft sunlight gold
    blue       = "#3f6c89", -- Subdued cobalt
    magenta    = "#9b6f86", -- Dusty rose
    cyan       = "#649aa5", -- Sky teal
    cursorline = "#e3dfdc", -- Light stone gray
    highlight  = "#c2b89c", -- Warm neutral highlight
  }
end

local function hi(group, opts)
  vim.api.nvim_set_hl(0, group, opts)
end

-- Core UI
hi("Normal",      { fg = colors.fg, bg = colors.bg })
hi("CursorLine",  { bg = colors.cursorline })
hi("Visual",      { bg = colors.highlight })
hi("LineNr",      { fg = colors.comment })
hi("CursorLineNr",{ fg = colors.yellow, bold = true })
hi("VertSplit",   { fg = colors.comment })
hi("StatusLine",  { fg = colors.fg, bg = colors.cursorline })
hi("StatusLineNC",{ fg = colors.comment, bg = colors.cursorline })
hi("Pmenu",       { fg = colors.fg, bg = colors.cursorline })
hi("PmenuSel",    { fg = colors.bg, bg = colors.blue, bold = true })
hi("Search",      { fg = colors.bg, bg = colors.yellow, bold = true })
hi("IncSearch",   { fg = colors.bg, bg = colors.red, bold = true })

-- Syntax
hi("Comment",     { fg = colors.comment, italic = true })
hi("Constant",    { fg = colors.red })
hi("String",      { fg = colors.yellow })
hi("Character",   { fg = colors.yellow })
hi("Number",      { fg = colors.cyan })
hi("Boolean",     { fg = colors.cyan, bold = true })
hi("Float",       { fg = colors.cyan })

hi("Identifier",  { fg = colors.blue })
hi("Function",    { fg = colors.green, bold = true })

hi("Statement",   { fg = colors.blue })
hi("Conditional", { fg = colors.magenta })
hi("Repeat",      { fg = colors.magenta })
hi("Label",       { fg = colors.yellow })
hi("Operator",    { fg = colors.fg })
hi("Keyword",     { fg = colors.blue, bold = true })
hi("Exception",   { fg = colors.red })

hi("PreProc",     { fg = colors.magenta })
hi("Include",     { fg = colors.blue })
hi("Define",      { fg = colors.magenta })
hi("Macro",       { fg = colors.magenta })
hi("PreCondit",   { fg = colors.magenta })

hi("Type",        { fg = colors.green })
hi("StorageClass",{ fg = colors.green })
hi("Structure",   { fg = colors.green })
hi("Typedef",     { fg = colors.green })

hi("Special",     { fg = colors.cyan })
hi("SpecialChar", { fg = colors.yellow })
hi("Tag",         { fg = colors.blue })
hi("Delimiter",   { fg = colors.fg })
hi("SpecialComment",{ fg = colors.comment, italic = true })
hi("Debug",       { fg = colors.red })

hi("Underlined",  { fg = colors.blue, underline = true })
hi("Bold",        { bold = true })
hi("Italic",      { italic = true })

hi("Error",       { fg = colors.red, bold = true })
hi("Todo",        { fg = colors.yellow, bold = true })
hi("WarningMsg",  { fg = colors.yellow })
hi("ErrorMsg",    { fg = colors.red, bold = true })

-- Diagnostics (LSP)
hi("DiagnosticError", { fg = colors.red })
hi("DiagnosticWarn",  { fg = colors.yellow })
hi("DiagnosticInfo",  { fg = colors.blue })
hi("DiagnosticHint",  { fg = colors.cyan })

hi("DiagnosticUnderlineError", { undercurl = true, sp = colors.red })
hi("DiagnosticUnderlineWarn",  { undercurl = true, sp = colors.yellow })
hi("DiagnosticUnderlineInfo",  { undercurl = true, sp = colors.blue })
hi("DiagnosticUnderlineHint",  { undercurl = true, sp = colors.cyan })

-- LSP Semantic Tokens
hi("@lsp.type.class",          { fg = colors.yellow })
hi("@lsp.type.function",       { fg = colors.blue })
hi("@lsp.type.variable",       { fg = colors.fg })
hi("@lsp.type.parameter",      { fg = colors.cyan })
hi("@lsp.type.property",       { fg = colors.green })
hi("@lsp.type.enum",           { fg = colors.magenta })

-- Treesitter
hi("@comment",        { fg = colors.comment, italic = true })
hi("@function",       { fg = colors.blue })
hi("@keyword",        { fg = colors.red, italic = true })
hi("@string",         { fg = colors.green })
hi("@variable",       { fg = colors.fg })
hi("@type",           { fg = colors.yellow })
hi("@property",       { fg = colors.green })
hi("@number",         { fg = colors.magenta })

-- Telescope
hi("TelescopeBorder",     { fg = colors.comment })
hi("TelescopePromptTitle",{ fg = colors.yellow, bold = true })
hi("TelescopeSelection",  { bg = colors.cursorline })
hi("TelescopeMatching",   { fg = colors.blue })

-- DAP (Debug)
hi("DebugBreakpoint",       { fg = colors.red })
hi("DebugBreakpointLine",   { bg = colors.cursorline })
hi("DebugPC",               { bg = colors.highlight })
hi("DebugCurrentLine",      { underline = true, sp = colors.yellow })

-- Pmenu (Completion)
hi("Pmenu",       { fg = colors.fg, bg = colors.cursorline })
hi("PmenuSel",    { fg = colors.bg, bg = colors.highlight })
hi("PmenuThumb",  { bg = colors.highlight })

-- Notify / Noice / Snacks
hi("NotifyINFOBorder",   { fg = colors.blue })
hi("NotifyWARNBorder",   { fg = colors.yellow })
hi("NotifyERRORBorder",  { fg = colors.red })
hi("NotifyDEBUGBorder",  { fg = colors.cyan })
hi("NotifyTRACEBorder",  { fg = colors.magenta })

hi("NoicePopup",         { bg = colors.cursorline })
hi("NoicePopupmenu",     { bg = colors.cursorline, fg = colors.fg })

-- Git Diff
hi("DiffAdd",    { fg = colors.green })
hi("DiffChange", { fg = colors.blue })
hi("DiffDelete", { fg = colors.red })

-- Terminal Colors
vim.g.terminal_color_0  = colors.bg
vim.g.terminal_color_1  = colors.red
vim.g.terminal_color_2  = colors.green
vim.g.terminal_color_3  = colors.yellow
vim.g.terminal_color_4  = colors.blue
vim.g.terminal_color_5  = colors.magenta
vim.g.terminal_color_6  = colors.cyan
vim.g.terminal_color_7  = colors.fg
vim.g.terminal_color_8  = colors.comment
vim.g.terminal_color_9  = colors.red
vim.g.terminal_color_10 = colors.green
vim.g.terminal_color_11 = colors.yellow
vim.g.terminal_color_12 = colors.blue
vim.g.terminal_color_13 = colors.magenta
vim.g.terminal_color_14 = colors.cyan
vim.g.terminal_color_15 = colors.fg

-- Apply Snacks highlights unconditionally
hi("SnacksNormal",      { fg = colors.fg, bg = colors.bg })
hi("SnacksNormalNC",    { fg = colors.comment, bg = colors.bg })
hi("SnacksWinBar",      { fg = colors.magenta, bg = colors.bg, bold = true })
hi("SnacksWinBarNC",    { fg = colors.comment, bg = colors.bg })
hi("SnacksCursorLine",  { bg = colors.highlight })
hi("SnacksCursor",      { bg = colors.highlight })
hi("SnacksPickerFile",       { fg = colors.green, bold = true  })
hi("SnacksPickerDir",        { fg = colors.comment })
hi("SnacksPickerPathHidden", { fg = colors.comment, italic = true })
hi("SnacksPickerPathIgnored",{ fg = colors.comment, italic = true })
hi("SnacksPickerPrefix",     { fg = colors.yellow })
hi("SnacksPickerNormal",   { fg = colors.fg, bg = colors.yellow })           -- Normal picker line
hi("SnacksPickerSelected", { fg = colors.bg, bg = colors.highlight })    -- Selected item (invert fg/bg)
hi("SnacksPickerCursor",   { fg = colors.yellow, bg = colors.cursorline })
hi("NormalFloat",   { fg = colors.fg, bg = colors.bg })

return colors