neovim_config/lua/barink/plugins/lsp.lua

return
{
    'neovim/nvim-lspconfig',
    dependencies = {
        {
            "folke/neoconf.nvim",
            opts = {}
        },
        "williamboman/mason-lspconfig",
        "williamboman/mason.nvim",
        "hrsh7th/cmp-nvim-lsp",
        "hrsh7th/cmp-buffer",
        "hrsh7th/cmp-path",
        "hrsh7th/cmp-cmdline",
        "hrsh7th/nvim-cmp",
        {
            'L3MON4D3/LuaSnip',
            dependencies = {
                'hrsh7th/nvim-cmp',
                'rafamadriz/friendly-snippets',
            },
            version = "v2.*",
        },
        { 'mfussenegger/nvim-jdtls', dependencies = { 'nvim-dap' } },
        "onsails/lspkind.nvim",
    },
    config = function()
        vim.opt.completeopt = { "menu", "menuone", "noselect", "preview" }
        require("lspkind").init({})
        require("mason").setup()
        require("mason-lspconfig").setup({
            ensure_installed = { "lua_ls", "bashls", "rust_analyzer" }
        })
        local ls = require("luasnip")
        ls.config.set_config({
            history = true,
            updateevents = "TextChanged, TextChangedI",
            enable_autosnippets = true,
        })
        local cmp = require('cmp')
        local lspkind = require("lspkind")
        cmp.setup({
            formatting = {
                format = lspkind.cmp_format({
                    mode = 'symbol',
                    maxwidth = 60,
                    ellipsis_char = '...',
                    show_labelDetails = true,
                }),
            },
            snippet = {
                expand = function(args)
                    require('luasnip').lsp_expand(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(),
                ['<C-y>'] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
            }),
            sources = cmp.config.sources({
                { name = 'nvim_lsp', keyword_length = 1 },
                { name = 'luasnip' },
                { name = 'path' },
                { name = 'buffer',   keyword_length = 2 },
            }),
            window = {
                documentation = cmp.config.window.bordered()
            },

        })

        -- Set configuration for specific filetype.
        cmp.setup.filetype('gitcommit', {
            sources = cmp.config.sources({
                { name = 'git' }, -- You can specify the `git` source if [you were installed it](https://github.com/petertriho/cmp-git).
            }, {
                { name = 'buffer' },
            })
        })

        cmp.setup.filetype({ "sql" }, {
            sources = {
                { name = "vim-dadbod-completion" },
                { name = "buffer" },
            }
        })
        -- Use buffer source for `/` and `?` (if you enabled `native_menu`, this won't work anymore).
        -- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
        cmp.setup.cmdline(':', {
            mapping = cmp.mapping.preset.cmdline(),
            sources = cmp.config.sources({
                { name = 'path' },
                { name = 'buffer' }
            }, {
                { name = 'cmdline' }
            }),
            matching = { disallow_symbol_nonprefix_matching = false }
        })


        vim.keymap.set({ "i", "s" }, "<C-K>", function() ls.expand() end, { silent = true })
        vim.keymap.set({ "i", "s" }, "<C-n>", function() ls.jump(1) end, { silent = true })
        vim.keymap.set({ "i", "s" }, "<C-p>", function() ls.jump(-1) end, { silent = true })
        vim.keymap.set({ "i", "s" }, "<C-E>", function()
            if ls.choice_active() then
                ls.change_choice(1)
            end
        end, { silent = true })

        require("luasnip.loaders.from_lua").load({ paths = "~/.config/nvim/lua/barink/snippets" })
        require("luasnip.loaders.from_vscode").lazy_load()
        -- Set up lspconfig.
        local capabilities = require("cmp_nvim_lsp").default_capabilities()
        local lsp = require("lspconfig")

        local language_server = {
            asm_lsp = true,
            mojo = true,
            zls = true,
            emmet_language_server = true,
            rust_analyzer = true,
            --gdtoolkit = { flags = { debounce_text_changes = 150 }},
            jdtls = true,
            pylsp = true,
            phpactor = {
                init_options = {
                    ["language_server_phpstan.enabled"] = false,
                    ["language_server_psalm.enabled"] = false,
                }
            },
            clangd = {
                capabilities = capabilities,
                root_dir = require('lspconfig').util.root_pattern("compile_commands.json", "compile_flags.txt", ".git"),
                cmd = { "clangd" },
                filetypes = { "c", "cpp", "objc", "objcpp" },
                settings = {
                    clangd = {
                        compilationDatabasePath = "compile-commands.json",
                    },
                }
            },
            ts_ls = true,
            gopls = true,
            intelephense = true,
            lua_ls = {
                config = {
                    settings = {
                        Lua = {
                            runtime = {
                                version = 'LuaJIT',
                            },
                            workspace = {
                                checkThirdParty = false,
                                library = {
                                    vim.env.VIMRUNTIME
                                }
                            },
                            diagnostics = {
                                globals = { 'vim' }
                            }
                        }
                    }
                }
            },
        }

        for name, config in pairs(language_server) do
            if config == true then
                config = {}
            end
            config = vim.tbl_deep_extend("force", {}, { capabilities = capabilities }, config)
            lsp[name].setup({})
        end
        vim.api.nvim_create_autocmd("LspAttach", {
            callback = function(args)
                local client = assert(vim.lsp.get_client_by_id(args.data.client_id), "must have valid client")

                local settings = language_server[client.name]
                if type(settings) ~= "table" then
                    settings = {}
                end

                local builtin = require "telescope.builtin"

                vim.opt_local.omnifunc = "v:lua.vim.lsp.omnifunc"
                vim.keymap.set("n", "gd", builtin.lsp_definitions, { buffer = -1 })
                vim.keymap.set("n", "gr", builtin.lsp_references, { buffer = -1 })
                vim.keymap.set("n", "gD", vim.lsp.buf.declaration, { buffer = -1 })
                vim.keymap.set("n", "gT", vim.lsp.buf.type_definition, { buffer = -1 })
                vim.keymap.set("n", "K", vim.lsp.buf.hover, { buffer = -1 })

                vim.keymap.set("n", "<LEADER>cr", vim.lsp.buf.rename, { buffer = -1 })
                vim.keymap.set("n", "<LEADER>ca", vim.lsp.buf.code_action, { buffer = -1 })
                vim.keymap.set("n", "<LEADER>wd", builtin.lsp_document_symbols, { buffer = -1 })
            end
        })
    end,
}