vim.pack.add({
    'https://github.com/lewis6991/gitsigns.nvim',
})

local opts = {
    on_attach = function(bufnr)
        local keymap = require('utils.keymap')
        local mapopts = keymap.new_opts

        local gs = require('gitsigns')

        keymap.nmap({
            {
                ']c',
                function()
                    if vim.wo.diff then
                        vim.cmd.normal({ ']c', bang = true })
                    else
                        gs.nav_hunk('next')
                    end
                end,
                mapopts(bufnr),
            },

            {
                '[c',
                function()
                    if vim.wo.diff then
                        vim.cmd.normal({ '[c', bang = true })
                    else
                        gs.nav_hunk('prev')
                    end
                end,
                mapopts(bufnr),
            },

            -- stylua: ignore start
            { '<leader>ep', gs.preview_hunk, mapopts(bufnr, 'Gitsigns: Preview hunk') },
            { '<leader>ei', gs.preview_hunk_inline, mapopts(bufnr, 'Gitsigns: Preview hunk(inline)') },

            { '<leader>ec', gs.toggle_current_line_blame, mapopts(bufnr, 'Gitsigns: Blame current line') },
            { '<leader>eb', function() gs.blame_line({ full = true }) end, mapopts(bufnr, 'Gitsigns: Blame line'), },

            { '<leader>ed', gs.diffthis, mapopts(bufnr, 'Gitsigns: Diff against current index') },

            { '<leader>eq', gs.setqflist, mapopts(bufnr, 'Gitsigns: Populate quickfixlist with hunks of current buffer') },
            { '<leader>eQ', function() gs.setqflist('all') end, mapopts(bufnr, 'Gitsigns: Populate quickfixlist with all hunks of current repo') },

            { '<leader>er', gs.reset_hunk, mapopts(bufnr, 'Gitsigns: Reset hunk') },
            { '<leader>eR', gs.reset_buffer, mapopts(bufnr, 'Gitsigns: Reset buffer') },
            -- stylua: ignore end
        })

        keymap.xmap({ 'ih', gs.select_hunk, mapopts(bufnr) })
    end,
}

require('gitsigns').setup(opts)