local lsp = require("lspconfig")
local fmt = require("null-ls")
local cmp = require("cmp")

require("nvim-autopairs").setup({})
require("lsp_signature").setup({
	hint_enable = false,
})
local augroup = vim.api.nvim_create_augroup("LspFormatting", {})
fmt.setup({
	sources = {
		fmt.builtins.formatting.clang_format,
		require("none-ls.formatting.rustfmt"),
		fmt.builtins.formatting.stylua,
		fmt.builtins.formatting.gofmt,
	},
	on_attach = function(client, bufnr)
		if client.supports_method("textDocument/formatting") then
			vim.api.nvim_clear_autocmds({ group = augroup, buffer = bufnr })
			vim.api.nvim_create_autocmd("BufWritePre", {
				group = augroup,
				buffer = bufnr,
				callback = function()
					vim.lsp.buf.format({ async = false })
				end,
			})
		end
	end,
})
cmp.setup({
	snippet = {
		expand = function(args)
			vim.fn["vsnip#anonymous"](args.body)
		end,
	},
	mapping = cmp.mapping.preset.insert({
		["<C-b>"] = cmp.mapping.scroll_docs(-4),
		["<C-f>"] = cmp.mapping.scroll_docs(4),
		["<C-Space>"] = cmp.mapping.complete(),
		["<C-e>"] = cmp.mapping.abort(),
		["<CR>"] = cmp.mapping.confirm({ select = true }),
	}),
	window = {
		completion = cmp.config.window.bordered(),
		documentation = cmp.config.window.bordered(),
	},
	sources = cmp.config.sources({
		{ name = "nvim_lsp" },
		{ name = "vsnip" },
		{
			name = "spell",
			option = {
				keep_all_entries = false,
				enable_in_context = function()
					return true
				end,
			},
		},
	}, {
		{ name = "buffer" },
		{ name = "nvim_lua" },
	}),
})
cmp.setup.filetype("gitcommit", {
	sources = cmp.config.sources({
		{ name = "git" },
	}, {
		{ name = "buffer" },
	}),
})

cmp.setup.cmdline({ "/", "?" }, {
	mapping = cmp.mapping.preset.cmdline(),
	sources = {
		{ name = "buffer" },
	},
})

cmp.setup.cmdline(":", {
	mapping = cmp.mapping.preset.cmdline(),
	sources = cmp.config.sources({
		{ name = "path" },
	}, {
		{ name = "cmdline" },
	}),
})

local capabilities = require("cmp_nvim_lsp").default_capabilities()
lsp.rust_analyzer.setup({
	settings = {
		["rust-analyzer"] = {},
	},
	capabilities = capabilities,
})

local clangd_capabilities = vim.deepcopy(capabilities)
clangd_capabilities["offsetEncoding"] = "utf-8"

lsp.clangd.setup({
	cmd = {
		"clangd",
		"--background-index",
		"--function-arg-placeholders=0",
		"-j=12",
		"--clang-tidy",
	},
	capabilities = clangd_capabilities,
	init_options = {
		documentFormatting = true,
	},
})

lsp.pyright.setup({
	capabilities = capabilities,
})
lsp.gopls.setup({
	capabilities = capabilities,
})
lsp.asm_lsp.setup({
	capabilities = capabilities,
})
lsp.zls.setup({
	capabilities = capabilities,
})
lsp.jdtls.setup({
	capabilities = capabilities,
})
lsp.tinymist.setup({
	capabilities = capabilities,
})
lsp.lua_ls.setup({
	on_init = function(client)
		local path = client.workspace_folders[1].name
		if not vim.loop.fs_stat(path .. "/.luarc.json") and not vim.loop.fs_stat(path .. "/.luarc.jsonc") then
			client.config.settings = vim.tbl_deep_extend("force", client.config.settings, {
				Lua = {
					runtime = {
						version = "LuaJIT",
					},
					workspace = {
						checkThirdParty = false,
						library = {
							vim.env.VIMRUNTIME,
						},
					},
				},
			})

			client.notify("workspace/didChangeConfiguration", { settings = client.config.settings })
		end
		return true
	end,
	capabilities = capabilities,
})