-- Author        : swytch
-- Created       : Monday May 2, 2022 21:02:02 CET
-- License       : GPLv3
-- Description   : neovim global lsp config file


_G.lsp_root_dir = vim.fn.stdpath("data") .. "/mason/bin"

local servers = {
    "clangd",
    "rust_analyzer",
    "lua_ls",
    "texlab",
    "tsserver",
    "html",
}

return {

    {
        "neovim/nvim-lspconfig",
        dependencies = {
            "williamboman/mason.nvim",
            "williamboman/mason-lspconfig.nvim",
        },
        config = function()
            vim.diagnostic.config({
                underline = true,
                update_in_insert = false,
                severity_sort = true,
            })

            local lspconfig = require("lspconfig")
            local globals = require("globals")

            local signs = {
                Error = globals.sign_error,
                Warn  = globals.sign_warn,
                Hint  = globals.sign_hint,
                Info  = globals.sign_info,
            }

            for type, icon in pairs(signs) do
                local hl = "DiagnosticSign" .. type
                vim.fn.sign_define(hl, {
                    text = icon,
                    texthl = hl,
                    numhl = hl
                })
            end

            local on_attach = function(_, bufnr)
                local opts = { buffer = bufnr }
                vim.keymap.set("n", "gD", vim.lsp.buf.declaration, opts)
                vim.keymap.set("n", "gd", vim.lsp.buf.definition, opts)
                vim.keymap.set("n", "gr", vim.lsp.buf.references, opts)
                vim.keymap.set("n", "K", vim.lsp.buf.hover, opts)
                vim.keymap.set("n", "gi", vim.lsp.buf.implementation, opts)
                vim.keymap.set("n", "<leader>ln", vim.diagnostic.goto_next, opts)
                vim.keymap.set("n", "<leader>lp", vim.diagnostic.goto_prev, opts)
                vim.keymap.set("n", "<leader>lf", vim.lsp.buf.format, opts)
                vim.keymap.set("n", "<C-k>", vim.lsp.buf.signature_help, opts)
                vim.keymap.set("n", "<leader>wa",
                    vim.lsp.buf.add_workspace_folder, opts)
                vim.keymap.set("n", "<leader>wr",
                    vim.lsp.buf.remove_workspace_folder, opts)
                vim.keymap.set("n", "<leader>wl", function()
                    vim.inspect(vim.lsp.buf.list_workspace_folders())
                end, opts)
                vim.keymap.set("n", "<leader>D", vim.lsp.buf.type_definition, opts)
                vim.keymap.set("n", "<leader>rn", vim.lsp.buf.rename, opts)
                vim.keymap.set("n", "<leader>ca", vim.lsp.buf.code_action, opts)
                vim.keymap.set("n", "<leader>so",
                    require("telescope.builtin").lsp_document_symbols, opts)
            end

            -- nvim-cmp supports additional completion capabilities
            local capabilities = vim.lsp.protocol.make_client_capabilities()
            capabilities = require("cmp_nvim_lsp").default_capabilities(capabilities)

            for _, server in ipairs(servers) do
                local opts = {
                    on_attach = on_attach,
                    capabilities = capabilities,
                }

                local plugin = string.format("plugin.lsp.%s", server)
                require(plugin).setup(opts)

                lspconfig[server].setup(opts)
            end

            require("mason-lspconfig").setup({ ensure_installed = servers })
        end
    },
    {

        "williamboman/mason.nvim",
        cmd = "Mason",
        -- opts = { ensure_installed = servers },
        opts = {
            ui = {
                icons = {
                    server_installed = "✓",
                    server_pending = "o",
                    server_uninstalled = ""
                }
            }
        }
    },
}