<?php
declare(strict_types=1);
namespace app\backend\controller;

use think\Request;
use think\facade\Db;
use think\db\exception\DbException;
use think\exception\ValidateException;
use ywxapp\controller\BackendBase;
use ywxapp\model\MebmberScore as ScoreModel;
use ywxapp\service\ScoreService;
use app\backend\validate\Score as ScoreValidate;

/**
 * 积分规则 & 流水管理
 */
class Score extends BackendBase
{
    protected $noNeedLogin = [];
    protected $noNeedVerify = [];

    protected function initialize()
    {
        $this->model = new ScoreModel();
        // 触发 score_rule / score_log 自愈
        ScoreModel::ensureSchema(); 
    }

    // ============ 积分规则 ============
    public function index()
    {
        $page   = $this->request->param('page/d', 1);
        $limit  = $this->request->param('limit/d', 15);
        $title  = $this->request->param('title', '');
        $action = $this->request->param('action', '');

        if ($this->request->isAjax()) {
            $query = $this->model->newQuery();
            if ($title !== '') {
                $query->where('title', 'like', '%' . $title . '%');
            }
            if ($action !== '') {
                $query->where('action', $action);
            }
            $list = $query->order('sort', 'desc')
                ->paginate(['page' => $page, 'list_rows' => $limit]);
            $typeList      = ScoreModel::typeList();
            $limitTypeList = ScoreService::limitTypeList();
            $items = $list->items();
            foreach ($items as &$item) {
                $item['type_text']  = $typeList[$item['type']] ?? '-';
                $item['limit_text'] = self::limitText($item, $limitTypeList);
                $item['addon_text'] = empty($item['addon']) ? '核心' : $item['addon'];
            }
            $this->result->setCount($list->total())->success($items);
        }
        $this->assign('typeList', ScoreModel::typeList());
        $this->assign('limitTypeList', ScoreService::limitTypeList());
        $this->assign('uniqueTypeList', ScoreService::uniqueTypeList());
        $this->assign('actionList', ScoreService::actions());
        return $this->fetch();
    }

    /**
     * 可用动作下拉数据（核心预置 + 插件注册 + 规则表已使用）
     */
    public function actions()
    {
        $list = ScoreService::actions();
        $data = [];
        foreach ($list as $key => $item) {
            $data[] = [
                'action' => $key,
                'title'  => $item['title'],
                'addon'  => $item['addon'],
            ];
        }
        $this->result->success($data);
    }

    /**
     * 限次文案：不限 / 每日 N 次 ...
     */
    protected static function limitText(array $item, array $limitTypeList): string
    {
        $type  = (int) ($item['limit_type'] ?? 0);
        $times = (int) ($item['limit_times'] ?? 0);
        if ($type === 0 || $times <= 0) {
            return '不限';
        }
        return ($limitTypeList[$type] ?? '-') . ' ' . $times . ' 次';
    }

    public function save()
    {
        if (! $this->request->isPost()) {
            $this->result->error('请求方式错误', 405);
        }
        $params = $this->request->only(
            ['title', 'action', 'type', 'value', 'addon', 'limit_type', 'limit_times', 'unique_type', 'remark', 'sort', 'status'],
            'post'
        );
        try {
            validate(ScoreValidate::class)->check($params);
            $this->model->create($params);
            $this->result->success('', '添加成功');
        } catch (ValidateException $e) {
            $this->result->error($e->getMessage());
        } catch (DbException $e) {
            $this->result->error('添加失败: ' . $e->getMessage(), 2);
        }
    }

    public function edit($id = null)
    {
        $id = $id ?: $this->request->param('id');
        $info = $this->model->find($id);
        if (! $info) {
            $this->result->error('记录不存在', 404);
        }
        $this->result->success(['info' => $info]);
    }

    public function update()
    {
        if (! ($this->request->isAjax() && $this->request->isPut())) {
            $this->result->error('请求方式错误', 405);
        }
        $params = $this->request->only(
            ['id', 'title', 'action', 'type', 'value', 'addon', 'limit_type', 'limit_times', 'unique_type', 'remark', 'sort', 'status'],
            'param'
        );
        $id = $params['id'] ?? null;
        $info = $this->model->find($id);
        if (! $info) {
            $this->result->error('记录不存在', 404);
        }
        $statusOnly = isset($params['status'])
            && count(array_diff(array_keys($params), ['id', 'status'])) === 0;
        if (! $statusOnly) {
            try {
                validate(ScoreValidate::class)->check($params);
            } catch (ValidateException $e) {
                $this->result->error($e->getMessage());
            }
        }
        $info->save($params);
        $this->result->success($info, '更新成功');
    }

    public function recyclebin()
    {
        $page  = $this->request->param('page/d', 1);
        $limit = $this->request->param('limit/d', 15);
        if ($this->request->isAjax()) {
            $list = $this->model->onlyTrashed()
                ->order('sort', 'desc')
                ->paginate(['page' => $page, 'list_rows' => $limit]);
            $this->result->setCount($list->total())->success($list->items());
        }
        return $this->fetch('score/index');
    }

    public function delete()
    {
        if ($this->request->isAjax() && $this->request->isDelete()) {
            $ids = $this->request->param('ids', '');
            $force = $this->request->param('force', false);
            if (empty($ids)) {
                $this->result->error('请选择要删除的数据');
            }
            $idsArray = array_filter(explode(',', $ids), 'is_numeric');
            if (empty($idsArray)) {
                $this->result->error('参数错误');
            }
            try {
                Db::transaction(function () use ($idsArray, $force) {
                    if ($force) {
                        $this->model->onlyTrashed()->whereIn('id', $idsArray)->select()
                            ->each(function ($item) { $item->force()->delete(); });
                    } else {
                        $this->model->destroy($idsArray);
                    }
                });
                $this->result->success();
            } catch (\think\exception\HttpResponseException $e) {
                throw $e;
            } catch (\Exception $e) {
                $this->result->error('删除失败: ' . ($e->getMessage() ?: $e->__toString()), 500);
            }
        }
    }

    public function restore($ids = '')
    {
        if ($this->request->isAjax() && $this->request->isPost()) {
            $ids = $this->request->param('ids', '');
            if (empty($ids)) {
                $this->result->error('请选择要恢复的数据');
            }
            $idsArray = array_filter(explode(',', $ids), 'is_numeric');
            Db::startTrans();
            try {
                $this->model->withTrashed()->where('id', 'in', $idsArray)->select()
                    ->each(function ($item) { $item->restore(); });
                Db::commit();
                $this->result->success('恢复成功');
            } catch (DbException $e) {
                Db::rollback();
                $this->result->error('恢复失败: ' . $e->getMessage());
            }
        }
    }

    // ============ 积分流水 ============
    public function log()
    {
        $page  = $this->request->param('page/d', 1);
        $limit = $this->request->param('limit/d', 15);
        $uid    = $this->request->param('uid/d', 0);
        $action = $this->request->param('action', '');
        $source = $this->request->param('source', '');

        if ($this->request->isAjax()) {
            $res = ScoreModel::logList($uid, $page, $limit, ['action' => $action, 'source' => $source]);
            $typeList = ScoreModel::typeList();
            foreach ($res['list'] as &$item) {
                $item['type_text'] = $item['type'] == 2 ? '支出' : '收入';
            }
            $this->result->setCount($res['count'])->success($res['list']);
        }
        return $this->fetch('score/log');
    }
}