local remap = require("utils.remap")

vim.diagnostic.config({
	update_in_insert = false,
	virtual_text = {
		source = true,
	},
	float = {
		border = "rounded",
	},
})

vim.lsp.handlers["textDocument/hover"] = vim.lsp.with(vim.lsp.handlers.hover, {
	border = "rounded",
})
vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(vim.lsp.handlers.signature_help, {
	border = "rounded",
})

return {

	"neovim/nvim-lspconfig",
	dependencies = {
		{ "williamboman/mason.nvim", version = "1.8.0", config = true },
    { "williamboman/mason-lspconfig.nvim", version = "1.31.0"},
		{ "j-hui/fidget.nvim", opts = {} }, -- side fidget showing status
		"hrsh7th/cmp-nvim-lsp", -- completion
		"b0o/schemastore.nvim",
	},
	config = function()
    require("mason").setup({
      ui = {
        border = "rounded",
        backdrop = 0
      },
    })

		require("mason-lspconfig").setup()

		local lspconfig = require("lspconfig")
		local capabilities = require("cmp_nvim_lsp").default_capabilities()

		require("lspconfig.ui.windows").default_options = {
			border = "rounded",
		}

		lspconfig.ts_ls.setup({
			capabilities = capabilities,
			init_options = {
				preferences = {
					includeCompletionsWithSnippetText = true,
					jsxAttributeCompletionStyle = "auto",
				},
			},
			on_attach = function(client, bufnr)
				-- Mappings
				local opts = { buffer = bufnr }
				remap.nmap("gd", vim.lsp.buf.definition, opts)
				remap.nmap("gr", vim.lsp.buf.references, opts)

				remap.nmap("K", vim.lsp.buf.hover, opts)

				remap.nmap("<leader>rn", vim.lsp.buf.rename, opts)
				remap.nmap("<leader>ca", vim.lsp.buf.code_action, opts)
				remap.nmap("<leader>ri", function()
					local diagnostics = vim.diagnostic.get(0)

					-- Filter for TypeScript's unused import diagnostics (code 6133)
					local unused_imports_diagnostics = {}
					for _, diagnostic in ipairs(diagnostics) do
						if diagnostic.code == 6133 and diagnostic.source == "typescript" then
							table.insert(unused_imports_diagnostics, diagnostic)
						end
					end

					vim.lsp.buf.code_action({
						context = {
							diagnostics = unused_imports_diagnostics,
							only = { "source.removeUnusedImports" },
						},
					})
				end, { desc = "Remove unused imports" })

				remap.nmap("[d", vim.diagnostic.goto_prev, opts)
				remap.nmap("]d", vim.diagnostic.goto_next, opts)
				remap.nmap("<leader>d", vim.diagnostic.open_float, opts)
			end,
		})

		lspconfig.eslint.setup({})
		lspconfig.html.setup({})
		lspconfig.cssls.setup({})
		lspconfig.jsonls.setup({
			capabilities = capabilities,
			settings = {
				json = {
					schemas = require("schemastore").json.schemas(),
					validate = { enable = true },
					allowComments = true,
				},
			},
		})
	end,
}