--[[
   [ WARNING: This is potential spaghetti code written late at night to solve a problem that has yet to occur...
   [ I strongly suggest to anyone reading this (and that means me) to double check what you think it does before
   { making any attempt to edit it
   ]]

local telescope = {}
telescope.opts = {}

-- default dependencies
telescope.dependencies = { ---@string[]
	'nvim-treesitter',
	'nvim-web-devicons',
	'plenary.nvim',
	'popup.nvim',
}

telescope.keys = { ---@LazyKeys[]
	-- Keys defined for finding files
	{
		'<leader>fg',
		'<cmd>Telescope live_grep<CR>',
		desc = 'Find grep',
	},
	{
		'<leader>fG',
		'<cmd>Telescope git_files<CR>',
		desc = 'Find git files',
	},

	-- Misc telescope functions
	{
		'<leader>tc',
		'<cmd>Telescope commands theme=dropdown<CR>',
		desc = 'Command Pallet',
	},
	{
		'<leader>ts',
		'<cmd>Telescope current_buffer_fuzzy_find<CR>',
		desc = 'Fuzzy find in buffer',
	},
	{
		'<leader>tm',
		'<cmd>Telescope man_pages sections=1,2,3,4,5,6,7,8,9<CR>',
		desc = 'Man',
	},
	{ '<leader>tt', '<cmd>Telescope builtin<CR>', desc = 'All pickers' },
}

-- This must exist even if we keep it empty for later configuration to work
telescope.opts.opts = {
	defaults = {},
	pickers = {},
	extensions = {},
}

-- TESTS for telescope-media-files
if vim.fn.executable('chafa') then
	-- if chafa is installed then we set a flag and add the dependency to telescope
	telescope.opts.has_chafa = true
	table.insert(telescope.dependencies, 'nvim-telescope/telescope-media-files.nvim')
	telescope.opts.opts.extensions.media_files = {
		filetypes = { 'png', 'jpg', 'jpeg', 'webp', 'svg' },
	}
end

-- TESTS for telescope-fzf-native
-- If not windows then attempt to build and use it.
-- We also check a global flag here that we can set if we can't build fzf-native
if vim.fn.has('win32') == 0 and not vim.g.no_fzf then
	-- NOTE: has returns 0 when we don't have a feature
	telescope.opts.do_fzf = true
	table.insert(telescope.dependencies, 'telescope-fzf-native.nvim')
end

-- TESTS for fzf-native
telescope.config = function(_, opts)
	require('telescope').setup()
	if opts.has_chafa then require('telescope').load_extension('media_files') end
	if opts.do_fzf then require('telescope').load_extension('fzf') end
end

return {
	{
		'nvim-telescope/telescope.nvim',
		cmd = 'Telescope',
		opts = telescope.opts,
		config = telescope.config,
		keys = telescope.keys,
		dependencies = telescope.dependencies,
	},
	{
		'nvim-telescope/telescope-fzf-native.nvim',
		build = 'make',
		cond = function()
			return vim.fn.has('win32') == 0 and not vim.g.no_fzf
		end,
	},
}