-- Main LSP Configuration
require('helpers').edit_cf('pl', '/lua/plugins/lsp.lua')

return {
    'neovim/nvim-lspconfig',
    dependencies = {
        { 'williamboman/mason.nvim', opts = {} },
        'williamboman/mason-lspconfig.nvim',
        'WhoIsSethDaniel/mason-tool-installer.nvim',

        { 'j-hui/fidget.nvim', opts = {} },

        'saghen/blink.cmp',
        'folke/lazydev.nvim',
    },
    config = function()
        --  This function gets run when an LSP attaches to a particular buffer.
        --    That is to say, every time a new file is opened that is associated with
        --    an lsp (for example, opening `main.rs` is associated with `rust_analyzer`) this
        --    function will be executed to configure the current buffer
        vim.api.nvim_create_autocmd('LspAttach', {
            group = vim.api.nvim_create_augroup('lsp-attach', { clear = true }),
            callback = function(event)
                local map = function(keys, func, desc, mode)
                    require('helpers').map(keys, func, { buffer = event.buf, desc = 'LSP: ' .. desc }, mode)
                end

                map('grn', vim.lsp.buf.rename, '[R]e[n]ame')
                map('gra', vim.lsp.buf.code_action, '[G]oto Code [A]ction', { 'n', 'x' })
                map('grr', require('telescope.builtin').lsp_references, '[G]oto [R]eferences')
                map('gri', require('telescope.builtin').lsp_implementations, '[G]oto [I]mplementation')
                map('grd', require('telescope.builtin').lsp_definitions, '[G]oto [D]efinition')
                map('grD', vim.lsp.buf.declaration, '[G]oto [D]eclaration')
                map('gO', require('telescope.builtin').lsp_document_symbols, 'Open Document Symbols')
                map('gW', require('telescope.builtin').lsp_dynamic_workspace_symbols, 'Open Workspace Symbols')
                map('grt', require('telescope.builtin').lsp_type_definitions, '[G]oto [T]ype Definition')

                -- This function resolves a difference between neovim nightly (version 0.11) and stable (version 0.10)
                ---@param client vim.lsp.Client
                ---@param method vim.lsp.protocol.Method
                ---@param bufnr? integer some lsp support methods only in specific files
                ---@return boolean
                local function client_supports_method(client, method, bufnr)
                    if vim.fn.has 'nvim-0.11' == 1 then
                        return client:supports_method(method, bufnr)
                    else
                        return client.supports_method(method, { bufnr = bufnr })
                    end
                end

                -- The following two autocommands are used to highlight references of the
                -- word under your cursor when your cursor rests there for a little while.
                --    See `:help CursorHold` for information about when this is executed
                --
                -- When you move your cursor, the highlights will be cleared (the second autocommand).
                local client = vim.lsp.get_client_by_id(event.data.client_id)
                if client and client_supports_method(client, vim.lsp.protocol.Methods.textDocument_documentHighlight, event.buf) then
                    local highlight_augroup = vim.api.nvim_create_augroup('lsp-highlight', { clear = false })
                    vim.api.nvim_create_autocmd({ 'CursorHold', 'CursorHoldI' }, {
                        buffer = event.buf,
                        group = highlight_augroup,
                        callback = vim.lsp.buf.document_highlight,
                    })

                    vim.api.nvim_create_autocmd({ 'CursorMoved', 'CursorMovedI' }, {
                        buffer = event.buf,
                        group = highlight_augroup,
                        callback = vim.lsp.buf.clear_references,
                    })

                    vim.api.nvim_create_autocmd('LspDetach', {
                        group = vim.api.nvim_create_augroup('lsp-detach', { clear = true }),
                        callback = function(event2)
                            vim.lsp.buf.clear_references()
                            vim.api.nvim_clear_autocmds { group = 'lsp-highlight', buffer = event2.buf }
                        end,
                    })
                end

                if client and client_supports_method(client, vim.lsp.protocol.Methods.textDocument_inlayHint, event.buf) then
                    map('<leader>th', function()
                        vim.lsp.inlay_hint.enable(not vim.lsp.inlay_hint.is_enabled { bufnr = event.buf })
                    end, '[T]oggle Inlay [H]ints')
                end
            end,
        })

        vim.diagnostic.config {
            severity_sort = true,
            float = { border = 'rounded', source = 'if_many' },
            underline = { severity = vim.diagnostic.severity.ERROR },
            signs = vim.g.have_nerd_font and {
                text = {
                    [vim.diagnostic.severity.ERROR] = '󰅚 ',
                    [vim.diagnostic.severity.WARN] = '󰀪 ',
                    [vim.diagnostic.severity.INFO] = '󰋽 ',
                    [vim.diagnostic.severity.HINT] = '󰌶 ',
                },
            } or {},
            virtual_text = {
                source = 'if_many',
                spacing = 2,
                format = function(diagnostic)
                    local diagnostic_message = {
                        [vim.diagnostic.severity.ERROR] = diagnostic.message,
                        [vim.diagnostic.severity.WARN] = diagnostic.message,
                        [vim.diagnostic.severity.INFO] = diagnostic.message,
                        [vim.diagnostic.severity.HINT] = diagnostic.message,
                    }
                    return diagnostic_message[diagnostic.severity]
                end,
            },
        }

        -- Enable the following language servers
        --
        --  Add any additional override configuration in the following tables. Available keys are:
        --  - cmd (table): Override the default command used to start the server
        --  - filetypes (table): Override the default list of associated filetypes for the server
        --  - capabilities (table): Override fields in capabilities. Can be used to disable certain LSP features.
        --  - settings (table): Override the default settings passed when initializing the server.
        --        For example, to see the options for `lua_ls`, you could go to: https://luals.github.io/wiki/settings/

        local mason_registry = require 'mason-registry'
        local vue_language_server_path = vim.fn.expand '$MASON/packages/vue-language-server/node_modules/@vue/language-server'
        local servers = {
            clangd = {},
            pyright = {},
            rust_analyzer = {},
            lua_ls = {
                settings = {
                    Lua = {
                        completion = {
                            callSnippet = 'Replace',
                        },
                    },
                },
            },
            phpactor = {
                init_options = {
                    ['language_server_phpstan.enabled'] = false,
                    ['language_server_psalm.enabled'] = false,
                    ['language_server_php_cs_fixer.enabled'] = false,
                },
            },
            vtsls = {
                settings = {
                    vtsls = {
                        tsserver = {
                            globalPlugins = {
                                {
                                    name = '@vue/typescript-plugin',
                                    location = vue_language_server_path,
                                    languages = { 'vue' },
                                    configNamespace = 'typescript',
                                },
                            },
                        },
                    },
                },
                filetypes = { 'typescript', 'javascript', 'javascriptreact', 'typescriptreact', 'vue' },
            },
            ['vue-language-server'] = {
                on_init = function(client)
                    client.handlers['tsserver/request'] = function(_, result, context)
                        local clients = vim.lsp.get_clients { bufnr = context.bufnr, name = 'vtsls' }
                        if #clients == 0 then
                            vim.notify('Could not find `vtsls` lsp client, `vue-language-server` would not work without it.', vim.log.levels.ERROR)
                            return
                        end
                        local ts_client = clients[1]

                        local param = unpack(result)
                        local id, command, payload = unpack(param)
                        ts_client:exec_cmd({
                            title = 'vue_request_forward', -- You can give title anything as it's used to represent a command in the UI, `:h Client:exec_cmd`
                            command = 'typescript.tsserverRequest',
                            arguments = {
                                command,
                                payload,
                            },
                        }, { bufnr = context.bufnr }, function(_, r)
                            local response_data = { { id, r.body } }
                            ---@diagnostic disable-next-line: param-type-mismatch
                            client:notify('tsserver/response', response_data)
                        end)
                    end
                end,
            },
        }

        local ensure_installed = vim.tbl_keys(servers or {})
        vim.list_extend(ensure_installed, {
            'stylua', -- Used to format Lua code
        })

        -- LSP servers and clients are able to communicate to each other what features they support.
        --  By default, Neovim doesn't support everything that is in the LSP specification.
        --  When you add blink.cmp, luasnip, etc. Neovim now has *more* capabilities.
        --  So, we create new capabilities with blink.cmp, and then broadcast that to the servers.
        local capabilities = require('blink.cmp').get_lsp_capabilities()

        for name, cfg in pairs(servers) do
            cfg.capabilities = vim.tbl_deep_extend('force', {}, capabilities, cfg.capabilities or {})
            vim.lsp.config(name, cfg) -- new Neovim 0.11 API
        end

        require('mason-tool-installer').setup { ensure_installed = ensure_installed }

        require('mason').setup {}
        require('mason-lspconfig').setup {}
    end,
}