local M = {}

M.spec = {
  {
    'tpope/vim-sleuth', -- Automatically set the 'shiftwidth' and 'expandtab' options based on the current file
  },
  {
    'lewis6991/gitsigns.nvim', -- Git signs in the sign column
    opts = {
      signs = {
        add = { text = '+' },
        change = { text = '' },
        delete = { text = '_' },
        topdelete = { text = '‾' },
        changedelete = { text = '' },
      },
    },
  },
  {
    'folke/which-key.nvim',
    event = 'VimEnter',
    opts = {
      delay = 0,
      icons = {
        mappings = vim.g.have_nerd_font,
        keys = vim.g.have_nerd_font and {} or {
          Up = '<Up> ',
          Down = '<Down> ',
          Left = '<Left> ',
          Right = '<Right> ',
          C = '<C-…> ',
          M = '<M-…> ',
          D = '<D-…> ',
          S = '<S-…> ',
          CR = '<CR> ',
          Esc = '<Esc> ',
          ScrollWheelDown = '<ScrollWheelDown> ',
          ScrollWheelUp = '<ScrollWheelUp> ',
          NL = '<NL> ',
          BS = '<BS> ',
          Space = '<Space> ',
          Tab = '<Tab> ',
          F1 = '<F1>',
          F2 = '<F2>',
          F3 = '<F3>',
          F4 = '<F4>',
          F5 = '<F5>',
          F6 = '<F6>',
          F7 = '<F7>',
          F8 = '<F8>',
          F9 = '<F9>',
          F10 = '<F10>',
          F11 = '<F11>',
          F12 = '<F12>',
        },
      },
          spec = {
          { '<leader>c', group = '[C]ode', mode = { 'n', 'x' } },
          { '<leader>d', group = '[D]ocument' },
          { '<leader>r', group = '[R]ename' },
          { '<leader>s', group = '[S]earch' },
          { '<leader>w', group = '[W]orkspace' },
          { '<leader>t', group = '[T]oggle' },
          { '<leader>h', group = 'Git [H]unk', mode = { 'n', 'v' } },
        },
    },
  },
  {
    'nvim-tree/nvim-tree.lua',
    event = 'VimEnter',
    config = function()
      require('nvim-tree').setup {
        renderer = {
          icons = {
            glyphs = {
              default = '',
              symlink = '',
              folder = {
                arrow_open = '',
                arrow_closed = '',
                default = '',
                open = '',
                empty = '',
                empty_open = '',
                symlink = '',
              },
              git = {
                unstaged = '✗',
                staged = '✓',
                unmerged = '',
                renamed = '➜',
                untracked = '★',
                deleted = '',
                ignored = '◌',
              },
            },
          },
        },
      }
      vim.keymap.set('n', '<leader>e', '<cmd>NvimTreeToggle<CR>', { desc = 'Toggle File Explorer' })
    end,
  },
  {
    'wakatime/vim-wakatime',
  },
  {
    'github/copilot.vim',
  },
  {
    'jose-elias-alvarez/null-ls.nvim',
    dependencies = { 'nvim-lua/plenary.nvim' },
    config = function()
      local null_ls = require 'null-ls'
        null_ls.setup {
        sources = {
          null_ls.builtins.formatting.prettier,
          null_ls.builtins.diagnostics.eslint,
          null_ls.builtins.code_actions.eslint,
        },
      }
    end,
  },
  {
    'nvim-lualine/lualine.nvim',
    dependencies = { 'nvim-tree/nvim-web-devicons' },
    config = function()
      require('lualine').setup {
        options = {
          theme = 'auto',
          section_separators = '',
          component_separators = '',
        },
        sections = {
          lualine_a = { 'mode' },
          lualine_b = { 'branch', 'diff', 'diagnostics' },
          lualine_c = { 'filename' },
          lualine_x = { 'encoding', 'fileformat', 'filetype' },
          lualine_y = { 'progress' },
          lualine_z = { 'location' },
        },
      }
    end,
  },
  {
    'lewis6991/gitsigns.nvim',
    config = function()
      require('gitsigns').setup {
        current_line_blame = true,
      }
    end,
  },
  {
    'mfussenegger/nvim-dap',
    config = function()
      local dap = require 'dap'
        dap.adapters.node2 = {
        type = 'executable',
        command = 'node',
        args = { os.getenv 'HOME' .. '/.local/share/nvim/mason/packages/node-debug2-adapter/out/src/nodeDebug.js' },
      }

      dap.configurations.javascript = {
        {
          name = 'Launch Node.js',
          type = 'node2',
          request = 'launch',
          program = '${file}',
          cwd = vim.fn.getcwd(),
          sourceMaps = true,
          protocol = 'inspector',
          console = 'integratedTerminal',
        },
      }
    end,
  },

  {
    'numToStr/Comment.nvim',
    config = function()
      require('Comment').setup()
    end,
  },

  {
    'windwp/nvim-autopairs',
    event = 'InsertEnter',
    config = function()
      require('nvim-autopairs').setup {}
    end,
  },

  {
    'nvim-pack/nvim-spectre',
    dependencies = { 'nvim-lua/plenary.nvim' },
    config = function()
      require('spectre').setup()
    end,
  },
  {
    'nvim-telescope/telescope.nvim',
    event = 'VimEnter',
    branch = '0.1.x',
    dependencies = {
      'nvim-lua/plenary.nvim',
      { -- If encountering errors, see telescope-fzf-native README for installation instructions
        'nvim-telescope/telescope-fzf-native.nvim',
        build = 'make',
        cond = function()
          return vim.fn.executable 'make' == 1
        end,
      },
      { 'nvim-telescope/telescope-ui-select.nvim' },
      { 'nvim-tree/nvim-web-devicons', enabled = vim.g.have_nerd_font },
    },
    config = function()
      require('telescope').setup {
        extensions = {
          ['ui-select'] = {
            require('telescope.themes').get_dropdown(),
          },
        },
      }
        pcall(require('telescope').load_extension, 'fzf')
      pcall(require('telescope').load_extension, 'ui-select')

      local builtin = require 'telescope.builtin'
      vim.keymap.set('n', '<leader>sh', builtin.help_tags, { desc = '[S]earch [H]elp' })
      vim.keymap.set('n', '<leader>sk', builtin.keymaps, { desc = '[S]earch [K]eymaps' })
      vim.keymap.set('n', '<leader>sf', builtin.find_files, { desc = '[S]earch [F]iles' })
      vim.keymap.set('n', '<leader>ss', builtin.builtin, { desc = '[S]earch [S]elect Telescope' })
      vim.keymap.set('n', '<leader>sw', builtin.grep_string, { desc = '[S]earch current [W]ord' })
      vim.keymap.set('n', '<leader>sg', builtin.live_grep, { desc = '[S]earch by [G]rep' })
      vim.keymap.set('n', '<leader>sd', builtin.diagnostics, { desc = '[S]earch [D]iagnostics' })
      vim.keymap.set('n', '<leader>sr', builtin.resume, { desc = '[S]earch [R]esume' })
      vim.keymap.set('n', '<leader>s.', builtin.oldfiles, { desc = '[S]earch Recent Files ("." for repeat)' })
      vim.keymap.set('n', '<leader><leader>', builtin.buffers, { desc = '[ ] Find existing buffers' })

      vim.keymap.set('n', '<leader>/', function()
        builtin.current_buffer_fuzzy_find(require('telescope.themes').get_dropdown {
          winblend = 10,
          previewer = false,
        })
      end, { desc = '[/] Fuzzily search in current buffer' })

      vim.keymap.set('n', '<leader>s/', function()
        builtin.live_grep {
          grep_open_files = true,
          prompt_title = 'Live Grep in Open Files',
        }
      end, { desc = '[S]earch [/] in Open Files' })

      vim.keymap.set('n', '<leader>sn', function()
        builtin.find_files { cwd = vim.fn.stdpath 'config' }
      end, { desc = '[S]earch [N]eovim files' })
    end,
  },

  {
    'folke/lazydev.nvim',
    ft = 'lua',
    opts = {
      library = {
        { path = '${3rd}/luv/library', words = { 'vim%.uv' } },
      },
    },
  },
  {
    'neovim/nvim-lspconfig',
    dependencies = {
      { 'williamboman/mason.nvim', opts = {} },
      'williamboman/mason-lspconfig.nvim',
      'WhoIsSethDaniel/mason-tool-installer.nvim',
      { 'j-hui/fidget.nvim', opts = {} },
      'hrsh7th/cmp-nvim-lsp',
    },
    config = function()
      require('mason').setup()
      require('mason-lspconfig').setup {
        ensure_installed = { 'ts_ls', 'tailwindcss', 'cssls', 'lua_ls' },
        automatic_installation = true,
      }
      local capabilities = vim.lsp.protocol.make_client_capabilities()
      capabilities = vim.tbl_deep_extend('force', capabilities, require('cmp_nvim_lsp').default_capabilities())

      if vim.g.have_nerd_font then
        local signs = { ERROR = '', WARN = '', INFO = '', HINT = '' }
        for type, icon in pairs(signs) do
          local hl = 'DiagnosticSign' .. type
          vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = '' })
        end
      end

      local servers = {
        ts_ls = {
          on_attach = function(client, bufnr)
            client.server_capabilities.documentFormattingProvider = false

            local map = function(keys, func, desc)
              vim.keymap.set('n', keys, func, { buffer = bufnr, desc = 'LSP: ' .. desc })
            end

            vim.api.nvim_create_autocmd('BufWritePre', {
              buffer = bufnr,
              callback = function()
                vim.lsp.buf.code_action {
                  context = { only = { 'source.fixAll' }, diagnostics = {} },
                  apply = true,
                }
              end,
            })

            map('<leader>oi', function()
              vim.lsp.buf.code_action {
                context = { only = { 'source.organizeImports' }, diagnostics = {} },
                apply = true,
              }
            end, '[O]rganize [I]mports')
          end,
          capabilities = capabilities,
          settings = {
            typescript = {
              inlayHints = { includeInlayParameterNameHints = 'all' },
              preferences = { importModuleSpecifierPreference = 'non-relative', quotePreference = 'single' },
            },
            javascript = {
              preferences = { importModuleSpecifierPreference = 'non-relative', quotePreference = 'single' },
            },
          },
        },
        tailwindcss = {
          filetypes = { 'html', 'css', 'scss', 'javascript', 'typescript', 'javascriptreact', 'typescriptreact' },
        },
        cssls = {},
        lua_ls = {
          settings = {
            Lua = {
              completion = { callSnippet = 'Replace' },
            },
          },
        },
      }

      local ensure_installed = vim.tbl_keys(servers)
      require('mason-tool-installer').setup { ensure_installed = ensure_installed }

      require('mason-lspconfig').setup {
        ensure_installed = ensure_installed,
        automatic_installation = true,
        handlers = {
          function(server_name)
            local server = servers[server_name] or {}
            server.capabilities = vim.tbl_deep_extend('force', {}, capabilities, server.capabilities or {})
            require('lspconfig')[server_name].setup(server)
          end,
        },
      }
    end,
  },
  {
    'stevearc/conform.nvim',
    event = { 'BufWritePre' },
    cmd = { 'ConformInfo' },
    keys = {
      {
        '<leader>f',
        function()
          require('conform').format { async = true, lsp_format = 'fallback' }
        end,
        mode = '',
        desc = '[F]ormat buffer',
      },
    },
    opts = {
      notify_on_error = false,
      format_on_save = function(bufnr)
        local disable_filetypes = { c = true, cpp = true }
        return {
          timeout_ms = 500,
          lsp_format = disable_filetypes[vim.bo[bufnr].filetype] and 'never' or 'fallback',
        }
      end,
      formatters_by_ft = {
        lua = { 'stylua' },
        javascript = { 'prettier' },
        typescript = { 'prettier' },
        css = { 'prettier' },
        scss = { 'prettier' },
        html = { 'prettier' },
      },
    },
  },
  {
    'hrsh7th/nvim-cmp',
    event = 'InsertEnter',
    dependencies = {
      {
        'L3MON4D3/LuaSnip',
        build = (function()
          if vim.fn.has 'win32' == 1 or vim.fn.executable 'make' == 0 then
            return
          end
          return 'make install_jsregexp'
        end)(),
      },
      'saadparwaiz1/cmp_luasnip',
      'hrsh7th/cmp-nvim-lsp',
      'hrsh7th/cmp-path',
      'hrsh7th/cmp-buffer',
      'hrsh7th/cmp-cmdline',
    },
    config = function()
      local cmp = require 'cmp'
      local luasnip = require 'luasnip'
      luasnip.config.setup {}
        cmp.setup {
        snippet = {
          expand = function(args)
            luasnip.lsp_expand(args.body)
          end,
        },
        completion = { completeopt = 'menu,menuone,noinsert' },

        mapping = cmp.mapping.preset.insert {
          ['<C-n>'] = cmp.mapping.select_next_item(),
          ['<C-p>'] = cmp.mapping.select_prev_item(),
          ['<C-b>'] = cmp.mapping.scroll_docs(-4),
          ['<C-f>'] = cmp.mapping.scroll_docs(4),
          ['<C-y>'] = cmp.mapping.confirm { select = true },
          ['<C-Space>'] = cmp.mapping.complete {},
          ['<C-l>'] = cmp.mapping(function()
            if luasnip.expand_or_locally_jumpable() then
              luasnip.expand_or_jump()
            end
          end, { 'i', 's' }),
          ['<C-h>'] = cmp.mapping(function()
            if luasnip.locally_jumpable(-1) then
              luasnip.jump(-1)
            end
          end, { 'i', 's' }),
        },

        sources = cmp.config.sources {
          { name = 'lazydev', group_index = 0 },
          { name = 'nvim_lsp' },
          { name = 'luasnip' },
          { name = 'path' },
          { name = 'buffer' },
        },
      }
    end,
  },
  { -- 🎨 Colorscheme
    'folke/tokyonight.nvim',
    priority = 1000,
    init = function()
      -- Load colorscheme with specific style
      vim.cmd.colorscheme 'tokyonight-night'
      -- Customize Comment color (removes italic)
      vim.cmd.hi 'Comment gui=none'
    end,
  },
  -- ✅ Highlight TODOs, FIXMEs, and other comments
  {
    'folke/todo-comments.nvim',
    event = 'VimEnter',
    dependencies = { 'nvim-lua/plenary.nvim' },
    opts = { signs = false },
  },
  { -- 🛠️ mini.nvim utility plugins (better text objects, surround, and statusline)
    'echasnovski/mini.nvim',
    config = function()
      -- Setup mini.ai for better text objects
      require('mini.ai').setup {
        n_lines = 500,
      }
      -- Setup mini.surround for surrounding text objects
      require('mini.surround').setup()

      -- Setup mini.statusline for a better status line
      require('mini.statusline').setup {
        use_icons = vim.g.have_nerd_font,
        content = {
          active = function()
            return '%2l:%-2v' -- line:column display
          end,
        },
      }
    end,
  },
  {
    'nvim-treesitter/nvim-treesitter',
    build = ':tsupdate',
    main = 'nvim-treesitter.configs',
    opts = {
      ensure_installed = {
        'bash',
        'c',
        'diff',
        'html',
        'css',
        'javascript',
        'typescript',
        'tsx',
        'json',
        'lua',
        'luadoc',
        'markdown',
        'markdown_inline',
        'query',
        'vim',
        'vimdoc',
      },
      auto_install = true,
      highlight = {
        enable = true,
        additional_vim_regex_highlighting = { 'ruby' },
      },
      indent = { enable = true, disable = { 'ruby' } },
    },
  },
  ui = {
    icons = vim.g.have_nerd_font and {} or {
      cmd = '⌘',
      config = '🛠',
      event = '📅',
      ft = '📂',
      init = '⚙',
      keys = '🗝',
      plugin = '🔌',
      runtime = '💻',
      require = '🌙',
      source = '📄',
      start = '🚀',
      task = '📌',
      lazy = '💤 ',
    },
  },
}

return M