-- LSP keybindings and autocmds
-- Extracted from legacy lsp.lua plugin configuration

-- LSP attach autocmd with keybindings
vim.api.nvim_create_autocmd('LspAttach', {
  group = vim.api.nvim_create_augroup('kickstart-lsp-attach', { clear = true }),
  callback = function(event)
    local map = function(keys, func, desc)
      vim.keymap.set('n', keys, func, { buffer = event.buf, desc = 'LSP: ' .. desc })
    end

    -- Navigation keybindings
    map('gd', require('telescope.builtin').lsp_definitions, '[G]oto [D]efinition')
    map('gI', require('telescope.builtin').lsp_implementations, '[G]oto [I]mplementation')
    map('<leader>D', require('telescope.builtin').lsp_type_definitions, 'Type [D]efinition')
    map('<leader>ds', require('telescope.builtin').lsp_document_symbols, '[D]ocument [S]ymbols')
    map('<leader>ws', require('telescope.builtin').lsp_dynamic_workspace_symbols, '[W]orkspace [S]ymbols')
    map('<leader>rn', vim.lsp.buf.rename, '[R]e[n]ame')
    map('<leader>ca', vim.lsp.buf.code_action, '[C]ode [A]ction')

    -- LSP gr
    map('grn', vim.lsp.buf.rename, '[R]e[n]ame') -- rename
    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') -- func def
    map('grD', vim.lsp.buf.declaration, '[G]oto [D]eclaration') -- header def
    map('grt', require('telescope.builtin').lsp_type_definitions, '[G]oto [T]ype Definition')
    map('gO', require('telescope.builtin').lsp_document_symbols, 'Open Document Symbols') -- open symbols
    map('gW', require('telescope.builtin').lsp_dynamic_workspace_symbols, 'Open Workspace Symbols') -- open ws

    -- Document highlighting
    local client = vim.lsp.get_client_by_id(event.data.client_id)
    if client and client.supports_method(vim.lsp.protocol.Methods.textDocument_documentHighlight) then
      local highlight_augroup = vim.api.nvim_create_augroup('kickstart-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('kickstart-lsp-detach', { clear = true }),
        callback = function(event2)
          vim.lsp.buf.clear_references()
          vim.api.nvim_clear_autocmds { group = 'kickstart-lsp-highlight', buffer = event2.buf }
        end,
      })
    end

    -- Inlay hints toggle
    if client and client.supports_method(vim.lsp.protocol.Methods.textDocument_inlayHint) 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.keymap.set('n', '<leader>td', function()
  vim.diagnostic.enable(not vim.diagnostic.is_enabled())
end, { silent = true, noremap = true, desc = '[d]iagnostics' })