-- Gitsigns: Git integration with signs in gutter and hunk operations
return {
  'lewis6991/gitsigns.nvim',
  event = { 'BufReadPre', 'BufNewFile' },
  opts = {
    signs = {
      add          = { text = '+' },
      change       = { text = '~' },
      delete       = { text = '_' },
      topdelete    = { text = '‾' },
      changedelete = { text = '~' },
      untracked    = { text = '┆' },
    },
    signcolumn = true,  -- Show signs in signcolumn
    numhl      = false, -- Don't highlight line numbers
    linehl     = false, -- Don't highlight lines
    word_diff  = false, -- Don't show word diff
    current_line_blame = false, -- No inline blame
    on_attach = function(bufnr)
      local gs = package.loaded.gitsigns

      local function map(mode, l, r, opts)
        opts = opts or {}
        opts.buffer = bufnr
        vim.keymap.set(mode, l, r, opts)
      end

      -- Hunk navigation
      map('n', ']h', function()
        if vim.wo.diff then return ']c' end
        vim.schedule(function() gs.next_hunk() end)
        return '<Ignore>'
      end, { expr = true, desc = 'Gitsigns: Next hunk' })

      map('n', '[h', function()
        if vim.wo.diff then return '[c' end
        vim.schedule(function() gs.prev_hunk() end)
        return '<Ignore>'
      end, { expr = true, desc = 'Gitsigns: Previous hunk' })

      -- Hunk actions
      map('n', '<leader>hs', gs.stage_hunk, { desc = 'Gitsigns: Stage hunk' })
      map('n', '<leader>hr', gs.reset_hunk, { desc = 'Gitsigns: Reset hunk' })
      map('v', '<leader>hs', function() gs.stage_hunk { vim.fn.line('.'), vim.fn.line('v') } end, { desc = 'Gitsigns: Stage hunk' })
      map('v', '<leader>hr', function() gs.reset_hunk { vim.fn.line('.'), vim.fn.line('v') } end, { desc = 'Gitsigns: Reset hunk' })
      map('n', '<leader>hS', gs.stage_buffer, { desc = 'Gitsigns: Stage buffer' })
      map('n', '<leader>hu', gs.undo_stage_hunk, { desc = 'Gitsigns: Undo stage hunk' })
      map('n', '<leader>hR', gs.reset_buffer, { desc = 'Gitsigns: Reset buffer' })
      map('n', '<leader>hp', gs.preview_hunk, { desc = 'Gitsigns: Preview hunk' })
      map('n', '<leader>hd', gs.diffthis, { desc = 'Gitsigns: Diff this' })
      map('n', '<leader>hD', function() gs.diffthis('~') end, { desc = 'Gitsigns: Diff this ~' })

      -- Text object
      map({ 'o', 'x' }, 'ih', ':<C-U>Gitsigns select_hunk<CR>', { desc = 'Gitsigns: Select hunk' })
    end,
  },
}