local augroup = vim.api.nvim_create_augroup("LspFormatting", {})
local format_on_save = 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({
                    bufnr = bufnr,
                    async = false,
                })
            end,
        })
    end
end

local configs = {}
for _, v in ipairs(vim.api.nvim_get_runtime_file('lsp/*', true)) do
    local name = vim.fn.fnamemodify(v, ':t:r')
    configs[name] = true
end
vim.lsp.enable(vim.tbl_keys(configs))

vim.api.nvim_create_autocmd('LspAttach', {
    callback = function(args)
        local client = vim.lsp.get_client_by_id(args.data.client_id)
        if not client then return end

        if vim.bo.filetype == "lua" or client.name == "jdtls" then
            -- Format the current buffer on save
            vim.api.nvim_create_autocmd('BufWritePre', {
                buffer = args.buf,
                callback = function()
                    vim.lsp.buf.format({ bufnr = args.buf, id = client.id })
                end,
            })
        end
    end,
})

vim.diagnostic.config({
    virtual_lines = true
})

return {
    {
        "williamboman/mason.nvim",
        opts = {
            tools_to_install = {
                "lua-language-server", "vtsls", "ruff", "mypy", "black", "pyright", "tailwindcss-language-server",
                "eslint-lsp", "lemminx", "gopls"
            }
        },
        config = function(_, opts)
            require("mason").setup()
            local mason_registry = require("mason-registry")
            mason_registry.refresh()
            for _, tool in pairs(opts.tools_to_install) do
                local package = mason_registry.get_package(tool)
                if not package:is_installed() then
                    package:install()
                end
            end
        end
    },
    {
        "nvimtools/none-ls.nvim",
        config = function(_, opts)
            local null_ls = require("null-ls")
            null_ls.setup({
                on_attach = function(client, bufnr)
                    format_on_save(client, bufnr)
                end,
                sources = {
                    null_ls.builtins.formatting.prettier,
                },
            })
        end
    }


}