dotfiles/.config/nvim/lua/plugins/linting.lua

return {
	"mfussenegger/nvim-lint",
	event = { "BufReadPre", "BufNewFile" },
	config = function()
		local lint = require("lint")

		local severities = {
			ERROR = vim.diagnostic.severity.ERROR,
			WARNING = vim.diagnostic.severity.WARN,
		}

		lint.linters.phpcs = {
			name = "phpcs",
			cmd = "phpcs",
			stdin = true,
			args = {
				"-q",
				"--report=json",
				"--standard=~/.config/phpcs.xml",
				"-", -- need `-` at the end for stdin support
			},
			ignore_exitcode = true,
			parser = function(output, _)
				if vim.trim(output) == "" or output == nil then
					return {}
				end

				if not vim.startswith(output, "{") then
					vim.notify(output)
					return {}
				end

				local decoded = vim.json.decode(output)
				local diagnostics = {}
				local messages = decoded["files"]["STDIN"]["messages"]

				for _, msg in ipairs(messages or {}) do
					table.insert(diagnostics, {
						lnum = msg.line - 1,
						end_lnum = msg.line - 1,
						col = msg.column - 1,
						end_col = msg.column - 1,
						message = msg.message,
						code = msg.source,
						source = "phpcs",
						severity = assert(severities[msg.type], "missing mapping for severity " .. msg.type),
					})
				end

				return diagnostics
			end,
		}

		lint.linters_by_ft = {
			javascript = { "eslint" },
			typescript = { "eslint" },
			vue = { "eslint" },
			json = { "jsonlint" },
			markdown = { "markdownlint" },
			php = { "phpcs" },
			golang = { "gospell", "golangci-lint" },
			python = { "pylint" },
			dockerfile = { "hadolint" },
			blade = { "phpcs" },
		}

		local lint_augroup = vim.api.nvim_create_augroup("lint", {
			clear = true,
		})

		vim.api.nvim_create_autocmd({
			"BufEnter",
			"BufWritePost",
			"InsertLeave",
		}, {
			group = lint_augroup,
			callback = function()
				lint.try_lint()
			end,
		})

		vim.keymap.set("n", "<leader>ll", function()
			lint.try_lint()
		end)
	end,
}