-- https://github.com/sindrets/diffview.nvim

local function setup()
    local actions = require("diffview.actions")

    require("diffview").setup({
        enhanced_diff_hl = true,
        view = {
            default = {
                layout = "diff2_horizontal",
                winbar_info = true,
            },
            merge_tool = {
                layout = "diff3_mixed",
                disable_diagnostics = true,
                winbar_info = true,
            },
            file_history = {
                layout = "diff2_horizontal",
                winbar_info = true,
            },
        },
        default_args = {
            DiffviewOpen = { "--imply-local", },
        },
        keymaps = {
            file_panel = {
                ["<cr>"] = false,
                {
                    "n",
                    "<CR>",
                    function ()
                        actions.select_entry()
                        vim.cmd.wincmd("l")
                    end,
                    { desc = "Open the current file in diffview", },
                },
                {
                    "n",
                    "s",
                    actions.toggle_stage_entry,
                    { desc = "Stage / unstage the selected entry", },
                },
                {
                    "n",
                    "u",
                    actions.toggle_stage_entry,
                    { desc = "Stage / unstage the selected entry", },
                },
                {
                    "n",
                    "cc",
                    function ()
                        vim.cmd.G("commit")
                        vim.cmd.wincmd("J")
                    end,
                    { desc = "Commit staged changes", },
                },
                {
                    "n",
                    "ca",
                    function ()
                        vim.cmd.G("commit --amend")
                        vim.cmd.wincmd("J")
                    end,
                    { desc = "Amend the last commit", },
                },
            },
        },
    })

    vim.keymap.set("n", "<leader>gg", vim.cmd.DiffviewOpen)
end

return setup