-- SECTION: Options
vim.o.number = true         -- Show line numbers
vim.o.wrap = true           -- Soft-wrap lines
vim.o.tabstop = 2           -- 2 space tab width
vim.o.shiftwidth = 2        -- 2 space tab width
vim.o.swapfile = false      -- Disable swap files (annoying)
vim.o.undofile = true       -- Enable undo between sessions
vim.o.mouse = 'a'           -- Enable mouse support
vim.o.showmode = false      -- Don't show mode in status bar
vim.o.inccommand = 'split'  -- Preview replace commands inline
vim.o.scrolloff = 20        -- Scroll if cursor is X lines to edge
vim.o.confirm = true        -- Add confirmation on some destructive actions
vim.o.ignorecase = true     -- Case insensitive search
vim.o.smartcase = true      -- Case sensitive when caps is used
vim.o.cursorline = true     -- Highlight current line
vim.opt.signcolumn =
'yes'                       -- TEST: Prohibit layout shifting by always showing the sign column (left of line numbers), you should see an icon there on this row.

-- SECTION: Globals
vim.g.mapleader = ' '       -- Mapping leader to space.
vim.g.maplocalleader = ' '  -- Mapping leader to space.
vim.g.have_nerd_font = true -- Enable nerd font

-- SECTION: Lazy settings
-- INFO: Lines in this function will be executed after main event loop is free, prohibiting startup lag.
vim.schedule(function()
	vim.opt.clipboard = 'unnamedplus' -- Share clipboard with system, comment if you want to keep it separate.
end)

-- SECTION: Keybinds

-- Source current file, helpful when editing this file.
vim.keymap.set('n', '<leader>o', ':update<CR> :source<CR>')

-- Restart vim completely, you can then press CTRL + o to go back to the last file you had open.
vim.keymap.set('n', '<leader>r', ':restart<CR>')

-- Lets you use ESC to stop highlighting text that you have searched with '/'
vim.keymap.set('n', '<Esc>', '<cmd>nohlsearch<CR>')

-- Lets you move focus from the current window to another.
vim.keymap.set('n', '<C-h>', '<C-w><C-h>', { desc = 'Move focus to the left window' })
vim.keymap.set('n', '<C-l>', '<C-w><C-l>', { desc = 'Move focus to the right window' })
vim.keymap.set('n', '<C-j>', '<C-w><C-j>', { desc = 'Move focus to the lower window' })
vim.keymap.set('n', '<C-k>', '<C-w><C-k>', { desc = 'Move focus to the upper window' })

-- Format the current buffer using the active lsp
vim.keymap.set('n', '<leader>f', vim.lsp.buf.format, { desc = "Format buffer" })

-- Start the file picker in different modes
vim.keymap.set('n', '<leader>sf', ":Pick files<CR>", { desc = "Search files" })
vim.keymap.set('n', '<leader>sg', ":Pick grep_live<CR>", { desc = "Search files" })

-- SECTION: Install packages
vim.pack.add({
	'https://github.com/catppuccin/nvim',        -- color scheme
	'https://github.com/nvim-mini/mini.pick',    -- File picker, grep
	'https://github.com/nvim-mini/mini.pairs',   -- Auto create {}, (), [] - pairs etc.
	'https://github.com/nvim-mini/mini.notify',  -- Popup notifications
	'https://github.com/neovim/nvim-lspconfig',  -- Language servers
	'https://github.com/mason-org/mason.nvim',   -- LSP deps installer
	'https://github.com/folke/lazydev.nvim',     -- Automatically resolve vim api paths.
	'https://github.com/folke/which-key.nvim',   -- Shortcut hints (bar at the bottom when pressing space)
	'https://github.com/nvim-lua/plenary.nvim',  -- Helper lua functions, dep of todo-comments.
	'https://github.com/folke/todo-comments.nvim' -- Helper lua functions, dep of todo-comments.
})

-- SECTION: Colorscheme
vim.cmd("colorscheme catppuccin-mocha")

-- SECTION: General plugin setup

-- Folke
require("lazydev").setup()
require('which-key').setup()
require('todo-comments').setup({
	keywords = {
		SECTION = {
			icon = "󰚟 ",
			color = "hint",
		}
	}
})

-- Mini
require('mini.pick').setup()
require('mini.pairs').setup()
require('mini.notify').setup()

-- LSP Language Server
require("mason").setup({
	ensure_installed = {
		'lua-language-server',
	}
})
vim.lsp.config('lua_ls', {})
vim.lsp.enable('lua_ls')

-- SECTION: Autocommands
vim.api.nvim_create_autocmd('TextYankPost', {
	desc = 'Highlight when yanking (copying) text',
	group = vim.api.nvim_create_augroup('highlight-yank', { clear = true }),
	callback = function()
		vim.highlight.on_yank()
	end,
})

-- Autoformat on save
vim.api.nvim_create_autocmd('LspAttach', {
	group = vim.api.nvim_create_augroup('my.lsp', {}),
	callback = function(ev)
		local client = assert(vim.lsp.get_client_by_id(ev.data.client_id))
		if not client:supports_method('textDocument/willSaveWaitUntil')
				and client:supports_method('textDocument/formatting') then
			vim.api.nvim_create_autocmd('BufWritePre', {
				group = vim.api.nvim_create_augroup('my.lsp', { clear = false }),
				buffer = ev.buf,
				callback = function()
					vim.lsp.buf.format({ bufnr = ev.buf, id = client.id, timeout_ms = 1000 })
				end,
			})
		end
	end,
})