-- ============================================================================
-- Git diff 视图 (diffview)
-- 仓库级 diff 总览 + 提交历史对比，补充 gitsigns 的行内能力
-- ============================================================================

return {
    {
        "sindrets/diffview.nvim",
        cmd = "DiffviewOpen",
        keys = {
            -- 只保留 3 个核心键位：打开/关闭 diff 视图、查看历史
            { "<leader>go", "<cmd>DiffviewOpen<cr>",          desc = "查看改动" },
            { "<leader>gq", "<cmd>DiffviewClose<cr>",         desc = "关闭 diff" },
            { "<leader>gl", "<cmd>DiffviewFileHistory %<cr>", desc = "文件历史" },
        },
        opts = {
            file_panel = {
                listing_style = "tree",
                tree_options = {
                    flatten_dirs = true,
                    folder_statuses = "only_folded",
                },
            },
            keymaps = {
                view = {
                    -- 覆盖全局 <leader>q：在 diffview 里关闭整个 diffview，而非单个窗口
                    { "n", "<leader>q", "<cmd>DiffviewClose<cr>", { desc = "关闭 diffview" } },
                },
                file_panel = {
                    { "n", "<leader>q", "<cmd>DiffviewClose<cr>", { desc = "关闭 diffview" } },
                },
            },
        },
    },
}