<?php

namespace App\Module\GameItems\AdminControllers;

use App\Module\GameItems\Models\ItemDismantleRule;
use App\Module\GameItems\Models\ItemCategory;
use App\Module\GameItems\Models\Item as ItemItem;
use Dcat\Admin\Form;
use Dcat\Admin\Grid;
use Dcat\Admin\Show;
use UCore\DcatAdmin\AdminController;
use Dcat\Admin\Layout\Content;
use Spatie\RouteAttributes\Attributes\Resource;

#[Resource('game-items-dismantle-rules', names: 'dcat.admin.game-items-dismantle-rules')]
class DismantleRuleController extends AdminController
{
    /**
     * 标题
     *
     * @var string
     */
    protected $title = '物品分解规则管理';

    /**
     * 列表页
     *
     * @return Grid
     */
    protected function grid()
    {
        return Grid::make(new ItemDismantleRule(), function (Grid $grid) {
            $grid->column('id', 'ID')->sortable();
            $grid->column('rule_type', '规则类型')->display(function () {
                if (!empty($this->item_id)) {
                    return '物品规则';
                } elseif (!empty($this->category_id)) {
                    return '分类规则';
                } else {
                    return '未知';
                }
            });
            $grid->column('item.name', '物品名称');
            $grid->column('category.name', '分类名称');
            $grid->column('priority', '优先级')->sortable();
            $grid->column('coin_return_rate', '金币返还率')->display(function ($value) {
                return $value * 100 . '%';
            });
            $grid->column('results', '结果数量')->display(function ($results) {
                return count($results);
            });
            $grid->column('is_active', '是否启用')->switch();
            $grid->column('created_at', '创建时间');
            $grid->column('updated_at', '更新时间');

            // 筛选
            $grid->filter(function ($filter) {
                $filter->equal('id', 'ID');
                $filter->equal('item_id', '物品')->select(
                    ItemItem::pluck('name', 'id')
                );
                $filter->equal('category_id', '分类')->select(
                    ItemCategory::pluck('name', 'id')
                );
                $filter->where('rule_type', function ($query) {
                    if ($this->input == 'item') {
                        $query->whereNotNull('item_id')->whereNull('category_id');
                    } elseif ($this->input == 'category') {
                        $query->whereNotNull('category_id')->whereNull('item_id');
                    }
                }, '规则类型')->select([
                    'item' => '物品规则',
                    'category' => '分类规则',
                ]);
                $filter->equal('is_active', '是否启用')->radio([
                    1 => '是',
                    0 => '否',
                ]);
            });
        });
    }

    /**
     * 详情页
     *
     * @param mixed $id
     * @param Content $content
     * @return Content
     */
    public function show($id, Content $content)
    {
        return $content
            ->header($this->title)
            ->description('详情')
            ->body($this->detail($id));
    }

    /**
     * 详情页
     *
     * @param mixed $id
     * @return Show
     */
    protected function detail($id)
    {
        $model = ItemDismantleRule::findOrFail($id);

        return Show::make($model, function (Show $show) {
            $show->field('id', 'ID');

            // 规则类型
            $show->field('rule_type', '规则类型')->as(function () {
                if (!empty($this->item_id)) {
                    return '物品规则';
                } elseif (!empty($this->category_id)) {
                    return '分类规则';
                } else {
                    return '未知';
                }
            });

            // 根据规则类型显示不同字段
            if ($show->getModel()->item_id) {
                $show->field('item.name', '物品名称');
            } elseif ($show->getModel()->category_id) {
                $show->field('category.name', '分类名称');
            }

            $show->field('priority', '优先级');
            $show->field('coin_return_rate', '金币返还率')->as(function ($value) {
                return $value * 100 . '%';
            });
            $show->field('is_active', '是否启用')->as(function ($value) {
                return $value ? '是' : '否';
            });
            $show->field('created_at', '创建时间');
            $show->field('updated_at', '更新时间');

            // 显示分解结果
            $show->divider('分解结果');

            $show->field('results', '结果列表')->as(function ($results) {
                $html = '<table class="table table-bordered">';
                $html .= '<thead><tr><th>物品名称</th><th>最小数量</th><th>最大数量</th><th>概率</th></tr></thead>';
                $html .= '<tbody>';

                foreach ($results as $result) {
                    $html .= '<tr>';
                    $html .= '<td>' . $result->resultItem->name . '</td>';
                    $html .= '<td>' . $result->min_quantity . '</td>';
                    $html .= '<td>' . $result->max_quantity . '</td>';
                    $html .= '<td>' . ($result->chance * 100) . '%</td>';
                    $html .= '</tr>';
                }

                $html .= '</tbody></table>';

                return $html;
            })->unescape();
        });
    }

    /**
     * 创建页
     *
     * @param Content $content
     * @return Content
     */
    public function create(Content $content)
    {
        return $content
            ->header($this->title)
            ->description('创建')
            ->body($this->form());
    }

    /**
     * 编辑页
     *
     * @param mixed $id
     * @param Content $content
     * @return Content
     */
    public function edit($id, Content $content)
    {
        return $content
            ->header($this->title)
            ->description('编辑')
            ->body($this->form()->edit($id));
    }

    /**
     * 表单
     *
     * @return Form
     */
    protected function form()
    {
        return Form::make(new ItemDismantleRule(), function (Form $form) {
            // 规则类型
            $form->radio('rule_type', '规则类型')
                ->options(['item' => '物品规则', 'category' => '分类规则'])
                ->default('item')
                ->when('item', function (Form $form) {
                    $form->select('item_id', '物品')
                        ->options(ItemItem::pluck('name', 'id'))
                        ->required();
                })
                ->when('category', function (Form $form) {
                    $form->select('category_id', '分类')
                        ->options(ItemCategory::pluck('name', 'id'))
                        ->required();
                });

            $form->number('priority', '优先级')
                ->default(0)
                ->help('数字越大优先级越高，当物品同时匹配多个规则时，使用优先级最高的规则');

            $form->rate('coin_return_rate', '金币返还率')
                ->default(0.5)
                ->help('分解时返还的金币比例，基于物品的sell_price计算');

            $form->switch('is_active', '是否启用')
                ->default(true);

            // 分解结果
            $form->hasMany('results', '分解结果', function (Form\NestedForm $form) {
                $form->select('result_item_id', '物品')
                    ->options(ItemItem::pluck('name', 'id'))
                    ->required();
                $form->number('min_quantity', '最小数量')
                    ->default(1)
                    ->min(0)
                    ->required();
                $form->number('max_quantity', '最大数量')
                    ->default(1)
                    ->min(0)
                    ->required();
                $form->rate('chance', '概率')
                    ->default(1)
                    ->help('获得该物品的概率，1表示100%');
            });

            // 保存前回调
            $form->saving(function (Form $form) {
                // 根据规则类型设置对应的字段
                if ($form->rule_type == 'item') {
                    $form->category_id = null;
                } else {
                    $form->item_id = null;
                }
            });
        });
    }
}