local map = vim.keymap.set

require("gitsigns").setup({
  signs = {
    add          = { hl = 'GitSignsAdd'   , text = '│', numhl='GitSignsAddNr'   , linehl='GitSignsAddLn'    },
    untracked    = { hl = 'GitSignsAdd'   , text = '│', numhl='GitSignsAddNr'   , linehl='GitSignsAddLn'    },
    change       = { hl = 'GitSignsChange', text = '│', numhl='GitSignsChangeNr', linehl='GitSignsChangeLn' },
    changedelete = { hl = 'GitSignsChange', text = '│', numhl='GitSignsChangeNr', linehl='GitSignsChangeLn' },
    delete       = { hl = 'GitSignsDelete', text = '▁', numhl='GitSignsDeleteNr', linehl='GitSignsDeleteLn' },
    topdelete    = { hl = 'GitSignsDelete', text = '▔', numhl='GitSignsDeleteNr', linehl='GitSignsDeleteLn' },
  },
  on_attach = function(buf)
    local gs = package.loaded.gitsigns
    local opts = { buffer = buf, expr = true, replace_keycodes = false }

    -- Navigation
    map("n", "]c", "&diff ? ']c' : '<CMD>Gitsigns next_hunk<CR>'", opts)
    map("n", "[c", "&diff ? '[c' : '<CMD>Gitsigns prev_hunk<CR>'", opts)

    -- Actions
    map({ "n", "v" }, "<leader>hr", gs.reset_hunk, { buffer = buf })
    map({ "n", "v" }, "<leader>hs", gs.stage_hunk)
    map("n", "<leader>hS", gs.stage_buffer, { buffer = buf })
    map("n", "<leader>hp", gs.preview_hunk, { buffer = buf })

    -- Text object
    map({ "o", "x" }, "ih", ":<C-U>Gitsigns select_hunk<CR>", { buffer = buf })
  end,
})