-- Eviline config for lualine
-- Author: shadmansaleh
-- Credit: glepnir
local lualine = require('lualine')

-- Color table for highlights
-- stylua: ignore
local colors = {
  bg       = '#202328',
  fg       = '#a89984',
  yellow   = '#ecbe7b',
  cyan     = '#008080',
  darkblue = '#081633',
  green    = '#98be65',
  orange   = '#ff8800',
  violet   = '#a9a1e1',
  magenta  = '#c678dd',
  blue     = '#51afef',
  red      = '#ec5f67',
}

local conditions = {
  buffer_not_empty = function()
    return vim.fn.empty(vim.fn.expand('%:t')) ~= 1
  end,
  hide_in_width = function()
    return vim.fn.winwidth(0) > 80
  end,
  check_git_workspace = function()
    local filepath = vim.fn.expand('%:p:h')
    local gitdir = vim.fn.finddir('.git', filepath .. ';')
    return gitdir and #gitdir > 0 and #gitdir < #filepath
  end,
}

-- Config
local config = {
  options = {
    -- Disable sections and component separators
    component_separators = '',
    section_separators = '',
    theme = {
      -- We are going to use lualine_c an lualine_x as left and
      -- right section. Both are highlighted by c theme .  So we
      -- are just setting default looks o statusline
      normal = { c = { fg = colors.fg, bg = colors.bg } },
      inactive = { c = { fg = colors.fg, bg = colors.bg } },
    },
  },
  sections = {
    -- these are to remove the defaults
    lualine_a = {},
    lualine_b = {},
    lualine_y = {},
    lualine_z = {},
    -- These will be filled later
    lualine_c = {},
    lualine_x = {},
  },
  inactive_sections = {
    -- these are to remove the defaults
    lualine_a = {},
    lualine_b = {},
    lualine_y = {},
    lualine_z = {},
    lualine_c = {},
    lualine_x = {},
  },
}

-- Inserts a component in lualine_c at left section
local function ins_left(component)
  table.insert(config.sections.lualine_c, component)
end

-- Inserts a component in lualine_x at right section
local function ins_right(component)
  table.insert(config.sections.lualine_x, component)
end

ins_left {
  function()
    return '▊'
  end,
  -- color = { fg = colors.green }, -- Sets highlighting of component
  color = function()
    -- auto change color according to neovims mode
    local mode_color = {
      n = colors.green,
      i = colors.blue,
      v = colors.magenta,
      [''] = colors.magenta,
      V = colors.magenta,
      c = colors.yellow,
      no = colors.red,
      s = colors.orange,
      S = colors.orange,
      [''] = colors.orange,
      ic = colors.yellow,
      R = colors.red,
      Rv = colors.violet,
      cv = colors.red,
      ce = colors.red,
      r = colors.cyan,
      rm = colors.cyan,
      ['r?'] = colors.cyan,
      ['!'] = colors.red,
      t = colors.red,
    }
    return { fg = mode_color[vim.fn.mode()] }
  end,
  padding = { left = 0, right = 1 }, -- We don't need space before this
}

ins_left {
  -- mode component
  function()
    return ''
  end,
  color = function()
    -- auto change color according to neovims mode
    local mode_color = {
      n = colors.green,
      i = colors.blue,
      v = colors.magenta,
      [''] = colors.magenta,
      V = colors.magenta,
      c = colors.yellow,
      no = colors.red,
      s = colors.orange,
      S = colors.orange,
      [''] = colors.orange,
      ic = colors.yellow,
      R = colors.red,
      Rv = colors.violet,
      cv = colors.red,
      ce = colors.red,
      r = colors.cyan,
      rm = colors.cyan,
      ['r?'] = colors.cyan,
      ['!'] = colors.red,
      t = colors.red,
    }
    return { fg = mode_color[vim.fn.mode()] }
  end,
  padding = { right = 1 },
}

-- ins_left {
--   'filename',
--   cond = conditions.buffer_not_empty,
--   color = { fg = colors.magenta, gui = 'bold' },
-- }

ins_left {
	'buffers',
	show_filename_only = false,
	hide_filename_extension = false,
	show_modified_status = true,
	icons_enabled = true,
	symbols = {
		modified = ' ●',      -- Text to show when the buffer is modified
		alternate_file = '', -- Text to show to identify the alternate file
		directory =  '',     -- Text to show when the buffer is a directory
	},
	buffers_color = {
		-- Same values as the general color option can be used here.
		active = function()
			-- auto change color according to neovims mode
			local mode_color = {
				n = colors.green,
				i = colors.blue,
				v = colors.magenta,
				[''] = colors.magenta,
				V = colors.magenta,
				c = colors.yellow,
				no = colors.red,
				s = colors.orange,
				S = colors.orange,
				[''] = colors.orange,
				ic = colors.yellow,
				R = colors.red,
				Rv = colors.violet,
				cv = colors.red,
				ce = colors.red,
				r = colors.cyan,
				rm = colors.cyan,
				['r?'] = colors.cyan,
				['!'] = colors.red,
				t = colors.red,
			}
			return { fg = mode_color[vim.fn.mode()], gui = 'bold' }
		end,
	},
}

ins_left {
  'diagnostics',
  sources = { 'nvim_diagnostic' },
  symbols = { error = ' ', warn = ' ', info = ' ' },
  diagnostics_color = {
    color_error = { fg = colors.red },
    color_warn = { fg = colors.yellow },
    color_info = { fg = colors.cyan },
  },
}

-- Insert mid section. You can make any number of sections in neovim :)
-- for lualine it's any number greater then 2
-- ins_left {
--   function()
--     return '%='
--   end,
-- }

ins_right {
  'filetype',
  icons_enabled = true, -- I think icons are cool but Eviline doesn't have them. sigh
  color = { fg = colors.blue },
}

ins_right {
  -- Lsp server name .
  function()
    local msg = 'no lsp'
    local buf_ft = vim.api.nvim_buf_get_option(0, 'filetype')
    local clients = vim.lsp.get_active_clients()
    if next(clients) == nil then
		icon = ''
		return ''
    end
    for _, client in ipairs(clients) do
      local filetypes = client.config.filetypes
      if filetypes and vim.fn.index(filetypes, buf_ft) ~= -1 then
        return client.name
      end
    end
    return msg
  end,
  icon = ' ',
  color = { fg = colors.cyan },
}

ins_right {
  'branch',
  icon = '',
  color = { fg = colors.violet, gui = 'bold' },
}

ins_right {
  -- filesize component
  'filesize',
  cond = conditions.buffer_not_empty,
}

ins_right {
  'diff',
  -- Is it me or the symbol for modified us really weird
  symbols = { added = ' ', modified = '󰝤 ', removed = ' ' },
  diff_color = {
    added = { fg = colors.green },
    modified = { fg = colors.orange },
    removed = { fg = colors.red },
  },
  cond = conditions.hide_in_width,
}

ins_right { 'location' }

ins_right {
  function()
    return '▊'
  end,
  -- color = { fg = colors.green },
  color = function()
    -- auto change color according to neovims mode
    local mode_color = {
      n = colors.green,
      i = colors.blue,
      v = colors.magenta,
      [''] = colors.magenta,
      V = colors.magenta,
      c = colors.yellow,
      no = colors.red,
      s = colors.orange,
      S = colors.orange,
      [''] = colors.orange,
      ic = colors.yellow,
      R = colors.red,
      Rv = colors.violet,
      cv = colors.red,
      ce = colors.red,
      r = colors.cyan,
      rm = colors.cyan,
      ['r?'] = colors.cyan,
      ['!'] = colors.red,
      t = colors.red,
    }
    return { fg = mode_color[vim.fn.mode()] }
  end,
  padding = { left = 1 },
}

-- Now don't forget to initialize lualine
lualine.setup(config)




-- require('lualine').setup {
-- 	options = {
-- 		icons_enabled = true,
-- 		theme = 'gruvbox',
-- 		section_separators = { left = '', right = '' },
-- 		component_separators = { left = '', right = '' },
-- 		disabled_filetypes = {
-- 			statusline = {},
-- 			winbar = {},
-- 		},
-- 		ignore_focus = {},
-- 		always_divide_middle = true,
-- 		globalstatus = false,
-- 		refresh = {
-- 			statusline = 1000,
-- 			tabline = 1000,
-- 			winbar = 1000,
-- 		}
-- 	},
-- 	sections = {
-- 		lualine_a = { 'mode' },
-- 		lualine_b = { 'branch', 'diff', 'diagnostics' },
-- 		lualine_c = { 'filename' },
-- 		lualine_x = { 'buffers' },
-- 		lualine_y = { 'filetype' },
-- 		lualine_z = { 'location' }
-- 	},
-- 	inactive_sections = {
-- 		lualine_a = {},
-- 		lualine_b = {},
-- 		lualine_c = { 'filename' },
-- 		lualine_x = {},
-- 		lualine_y = {},
-- 		lualine_z = {}
-- 	},
-- 	tabline = {},
-- 	winbar = {},
-- 	inactive_winbar = {},
-- 	extensions = {},
-- }