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-- [[ Keybinds ]]
local capabilities = require("cmp_nvim_lsp").default_capabilities()
local cmp = require("cmp")
local context = require("cmp.config.context")
local diagnostic = vim.diagnostic
local lbuf = vim.lsp.buf
local map = vim.keymap.set
local lspconfig = require("lspconfig")
local lspkind = require("lspkind")
local builtin = require("telescope.builtin")

map("n", " lca", lbuf.code_action, { desc = "Code actions" })
map("n", "gd", lbuf.definition, { desc = "Definition" })
map("n", " lrn", lbuf.rename, { desc = "Rename" })
map("n", " lim", builtin.lsp_implementations, { desc = "Implementation" })
map("n", " lsh", lbuf.signature_help, { desc = "Signature help" })
map("n", " lth", lbuf.typehierarchy, { desc = "Type hierarchy" })
map("n", " llf", lbuf.references, { desc = "References" })
map("n", " lds", lbuf.document_symbol, { desc = "List symbols" })
map("n", " ltd", lbuf.type_definition, { desc = "Type definition" })
-- map("n", " lls", vim.lsp.handlers["workspace/symbol"])
map("n", " lq", diagnostic.setqflist, { desc = "Diagnostic quickfix" })
map("n", " >>", diagnostic.goto_next, { desc = "Diagnostic next" })
map("n", " <<", diagnostic.goto_prev, { desc = "Diagnostic prev" })
map("n", " <,", function()
	diagnostic.goto_next({ severity = diagnostic.ERROR })
end, { desc = "Diagnostic next error" })
map("n", " >.", function()
	diagnostic.goto_prev({ severity = diagnostic.ERROR })
end, { desc = "Diagnostic prev error" })
map("n", " vf", diagnostic.open_float, { desc = "Diagnostics open floating window" })
-- map("n", " ")

-- [[ LSP Setups ]]

lspconfig.gopls.setup({
	settings = {
		gopls = {
			hints = {
				assignVariableTypes = true,
				compositeLiteralFields = true,
				compositeLiteralTypes = true,
				constantValues = true,
				functionTypeParameters = true,
				parameterNames = true,
				rangeVariableTypes = true,
			},
		},
	},
})
lspconfig.clangd.setup({})
lspconfig.emmet_ls.setup({})
lspconfig.ts_ls.setup({})
lspconfig.powershell_es.setup({
	cmd = {
		"pwsh",
		"-NoLog",
		"-NoProfile",
		"-Command",
		"/home/aluc/.local/share/nvim/mason/packages/powershell-editor-services/PowerShellEditorServices/Start-EditorServices.ps1",
	},
})

-- [[ nvim cmp ]]
cmp.setup({
	enabled = function()
		if context.in_treesitter_capture("comment") == true or context.in_syntax_group("Comment") then
			return false
		else
			return true
		end
	end,
	snippet = {
		expand = function(args)
			require("luasnip").lsp_expand(args.body)
		end,
	},
	window = {
		completion = cmp.config.window.bordered(),
		documentation = cmp.config.window.bordered(),
	},
	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-c>"] = cmp.mapping.abort(),
		["<CR>"] = cmp.mapping({
			i = function(fallback)
				if cmp.visible() and cmp.get_active_entry() then
					cmp.confirm({ behavior = cmp.ConfirmBehavior.Replace, select = false })
				else
					fallback()
				end
			end,
			s = cmp.mapping.confirm({ select = true }),
			c = cmp.mapping.confirm({ behavior = cmp.ConfirmBehavior.Replace, select = true }),
		}),
	}),
	sources = cmp.config.sources({
		{
			name = "nvim_lsp",
			keyword_length = 3,
		},
		-- { name = "luasnip" },
	}, {
		-- { name = "buffer", max_item_count = 5 },
		{ name = "path", max_item_count = 5 },
	}),
	formatting = {
		format = lspkind.cmp_format({
			mode = "symbol_text",
			menu = {
				buffer = "(Buffer)",
				nvim_lsp = "(LSP)",
				luasnip = "(LuaSnip)",
				nvim_lua = "(Lua)",
				latex_symbols = "(Latex)",
			},
		}),
	},
})

vim.api.nvim_set_hl(0, "CmpItemMenu", { italic = true })

-- rounded border around floating windows
local _border = "rounded"
vim.lsp.handlers["textDocument/hover"] = vim.lsp.with(vim.lsp.handlers.hover, {
	border = _border,
})
vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(vim.lsp.handlers.signature_help, {
	border = _border,
})
vim.diagnostic.config({
	float = { border = _border },
})
-- lua
-- with neovim support
require("lspconfig").lua_ls.setup({
	on_init = function(client)
		local path = client.workspace_folders[1].name
		if vim.loop.fs_stat(path .. "/.luarc.json") or vim.loop.fs_stat(path .. "/.luarc.jsonc") then
			return
		end

		client.config.settings.Lua = vim.tbl_deep_extend("force", client.config.settings.Lua, {
			runtime = {
				version = "LuaJIT",
			},
			-- Make the server aware of Neovim runtime files
			workspace = {
				checkThirdParty = false,
				library = {
					vim.env.VIMRUNTIME,
				},
			},
		})
	end,
	settings = {
		Lua = {},
	},
})