<?php

namespace app\admin\controller\game;

use Throwable;
use app\common\controller\Backend;
use app\common\service\GameChannelUserCount;
use support\think\Db;
use support\Response;
use Webman\Http\Request as WebmanRequest;

/**
 * 用户管理
 */
class User extends Backend
{
    /**
     * GameUser模型对象
     * @var object|null
     * @phpstan-var \app\common\model\GameUser|null
     */
    protected ?object $model = null;

    /**
     * 数据范围：非超管仅本人 + 下级角色组内管理员（与 auth.Admin 一致，见 Backend::getDataLimitAdminIds parent）
     */
    protected bool|string|int $dataLimit = 'parent';

    /**
     * admin_id 由表单选择归属管理员，勿在保存时强制改为当前登录账号
     */
    protected bool $dataLimitFieldAutoFill = false;

    protected array|string $preExcludeFields = ['id', 'uuid', 'create_time', 'update_time'];

    protected array $withJoinTable = ['gameChannel', 'admin'];

    protected string|array $quickSearchField = ['id', 'username', 'phone'];

    /**
     * 与渠道 Config 类似：从游戏配置拉取默认权重；辅助接口，需具备用户管理列表权限
     */
    protected array $noNeedPermission = ['defaultWeightPresets', 'defaultWeightByChannel'];

    /** game_weight 分组下的配置名 */
    private const GC_GROUP_WEIGHT = 'game_weight';

    private const GC_NAME_TIER = 'default_tier_weight';

    private const GC_NAME_BIGWIN_PRIMARY = 'default_bigwin_weight';

    /** 档位权重固定键：T1~T5 */
    private const TIER_WEIGHT_KEYS = ['T1', 'T2', 'T3', 'T4', 'T5'];

    /** 中大奖权重固定键：5~30 */
    private const BIGWIN_WEIGHT_KEYS = ['5', '10', '15', '20', '25', '30'];

    protected function initController(WebmanRequest $request): ?Response
    {
        $this->model = new \app\common\model\GameUser();
        return null;
    }

    /**
     * 添加（重写：password 使用 Admin 同款加密；uuid 由 username+channel_id 生成）
     * @throws Throwable
     */
    protected function _add(): Response
    {
        if ($this->request && $this->request->method() === 'POST') {
            $data = $this->request->post();
            if (!$data) {
                return $this->error(__('Parameter %s can not be empty', ['']));
            }

            $data = $this->applyInputFilter($data);
            $data = $this->excludeFields($data);

            $password = $data['password'] ?? null;
            if (!is_string($password) || trim($password) === '') {
                return $this->error(__('Parameter %s can not be empty', ['password']));
            }
            $data['password'] = hash_password($password);

            $username = $data['username'] ?? '';
            $channelId = $data['channel_id'] ?? ($data['game_channel_id'] ?? null);
            if (!is_string($username) || trim($username) === '' || $channelId === null || $channelId === '') {
                return $this->error(__('Parameter %s can not be empty', ['username/channel_id']));
            }
            $data['uuid'] = md5(trim($username) . '|' . $channelId);

            if ($this->gameUserUsernameExistsInChannel($username, $channelId)) {
                return $this->error(__('Game user username exists in channel'));
            }

            if (!$this->auth->isSuperAdmin()) {
                $allowed = $this->getDataLimitAdminIds();
                $adminIdNew = $data['admin_id'] ?? null;
                if ($adminIdNew === null || $adminIdNew === '') {
                    return $this->error(__('Parameter %s can not be empty', ['admin_id']));
                }
                if ($allowed !== [] && !in_array($adminIdNew, $allowed)) {
                    return $this->error(__('You have no permission'));
                }
            }

            $result = false;
            $this->model->startTrans();
            try {
                if ($this->modelValidate) {
                    $validate = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                    if (class_exists($validate)) {
                        $validate = new $validate();
                        if ($this->modelSceneValidate) {
                            $validate->scene('add');
                        }
                        $validate->check($data);
                    }
                }
                $result = $this->model->save($data);
                $this->model->commit();
            } catch (Throwable $e) {
                $this->model->rollback();
                return $this->error($e->getMessage());
            }
            if ($result !== false) {
                $cid = $data['game_channel_id'] ?? $data['channel_id'] ?? null;
                if (($cid === null || $cid === '') && $this->model) {
                    $rowData = $this->model->getData();
                    $cid = $rowData['game_channel_id'] ?? $rowData['channel_id'] ?? null;
                }
                if ($cid !== null && $cid !== '') {
                    GameChannelUserCount::syncFromGameUser($cid);
                }
                return $this->success(__('Added successfully'));
            }
            return $this->error(__('No rows were added'));
        }

        return $this->error(__('Parameter error'));
    }

    /**
     * 编辑（重写：password 使用 Admin 同款加密；uuid 由 username+channel_id 生成）
     * @throws Throwable
     */
    protected function _edit(): Response
    {
        $pk = $this->model->getPk();
        $id = $this->request ? ($this->request->post($pk) ?? $this->request->get($pk)) : null;
        $row = $this->model->find($id);
        if (!$row) {
            return $this->error(__('Record not found'));
        }

        $dataLimitAdminIds = $this->getDataLimitAdminIds();
        if ($dataLimitAdminIds && !in_array($row[$this->dataLimitField], $dataLimitAdminIds)) {
            return $this->error(__('You have no permission'));
        }

        $oldChannelId = $row['game_channel_id'] ?? $row['channel_id'] ?? null;

        if ($this->request && $this->request->method() === 'POST') {
            $data = $this->request->post();
            if (!$data) {
                return $this->error(__('Parameter %s can not be empty', ['']));
            }

            $data = $this->applyInputFilter($data);
            $data = $this->excludeFields($data);

            if (array_key_exists('password', $data)) {
                $password = $data['password'];
                if (!is_string($password) || trim($password) === '') {
                    unset($data['password']);
                } else {
                    $data['password'] = hash_password($password);
                }
            }

            $nextUsername = array_key_exists('username', $data) ? $data['username'] : $row['username'];
            $nextChannelId = null;
            if (array_key_exists('channel_id', $data)) {
                $nextChannelId = $data['channel_id'];
            } elseif (array_key_exists('game_channel_id', $data)) {
                $nextChannelId = $data['game_channel_id'];
            } else {
                $nextChannelId = $row['channel_id'] ?? $row['game_channel_id'] ?? null;
            }

            if (is_string($nextUsername) && trim($nextUsername) !== '' && $nextChannelId !== null && $nextChannelId !== '') {
                $data['uuid'] = md5(trim($nextUsername) . '|' . $nextChannelId);
                if ($this->gameUserUsernameExistsInChannel($nextUsername, $nextChannelId, $row[$pk])) {
                    return $this->error(__('Game user username exists in channel'));
                }
            }

            if (!$this->auth->isSuperAdmin()) {
                $allowed = $this->getDataLimitAdminIds();
                $adminIdAfter = array_key_exists('admin_id', $data) ? $data['admin_id'] : ($row['admin_id'] ?? null);
                if ($allowed !== [] && $adminIdAfter !== null && $adminIdAfter !== '' && !in_array($adminIdAfter, $allowed)) {
                    return $this->error(__('You have no permission'));
                }
            }

            $result = false;
            $this->model->startTrans();
            try {
                if ($this->modelValidate) {
                    $validate = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                    if (class_exists($validate)) {
                        $validate = new $validate();
                        if ($this->modelSceneValidate) {
                            $validate->scene('edit');
                        }
                        $data[$pk] = $row[$pk];
                        $validate->check($data);
                    }
                }
                $result = $row->save($data);
                $this->model->commit();
            } catch (Throwable $e) {
                $this->model->rollback();
                return $this->error($e->getMessage());
            }
            if ($result !== false) {
                $merged = array_merge($row->toArray(), $data);
                $newChannelId = $merged['game_channel_id'] ?? $merged['channel_id'] ?? null;
                if ($newChannelId !== null && $newChannelId !== '') {
                    GameChannelUserCount::syncFromGameUser($newChannelId);
                }
                if ($oldChannelId !== null && $oldChannelId !== '' && (string) $oldChannelId !== (string) $newChannelId) {
                    GameChannelUserCount::syncFromGameUser($oldChannelId);
                }
                return $this->success(__('Update successful'));
            }
            return $this->error(__('No rows updated'));
        }

        // GET: 返回编辑数据时，剔除敏感字段
        unset($row['password'], $row['salt'], $row['token'], $row['refresh_token']);
        return $this->success('', [
            'row' => $row
        ]);
    }

    /**
     * 删除后按 game_user 重算相关渠道的 user_count
     *
     * @throws Throwable
     */
    protected function _del(): Response
    {
        $where = [];
        $dataLimitAdminIds = $this->getDataLimitAdminIds();
        if ($dataLimitAdminIds) {
            $where[] = [$this->dataLimitField, 'in', $dataLimitAdminIds];
        }

        $ids = $this->request ? ($this->request->post('ids') ?? $this->request->get('ids') ?? []) : [];
        $ids = is_array($ids) ? $ids : [];
        $where[] = [$this->model->getPk(), 'in', $ids];
        $data = $this->model->where($where)->select();

        $channelIdsToSync = [];
        foreach ($data as $v) {
            $cid = $v['game_channel_id'] ?? $v['channel_id'] ?? null;
            if ($cid !== null && $cid !== '') {
                $channelIdsToSync[] = $cid;
            }
        }

        $count = 0;
        $this->model->startTrans();
        try {
            foreach ($data as $v) {
                $count += $v->delete();
            }
            $this->model->commit();
        } catch (Throwable $e) {
            $this->model->rollback();
            return $this->error($e->getMessage());
        }
        if ($count) {
            GameChannelUserCount::syncChannels($channelIdsToSync);
            return $this->success(__('Deleted successfully'));
        }

        return $this->error(__('No rows were deleted'));
    }

    /**
     * 查看
     * @throws Throwable
     */
    protected function _index(): Response
    {
        // 如果是 select 则转发到 select 方法，若未重写该方法，其实还是继续执行 index
        if ($this->request && $this->request->get('select')) {
            return $this->select($this->request);
        }

        /**
         * 1. withJoin 不可使用 alias 方法设置表别名，别名将自动使用关联模型名称（小写下划线命名规则）
         * 2. 以下的别名设置了主表别名，同时便于拼接查询参数等
         * 3. paginate 数据集可使用链式操作 each(function($item, $key) {}) 遍历处理
         */
        list($where, $alias, $limit, $order) = $this->queryBuilder();
        $res = $this->model
            ->withJoin($this->withJoinTable, $this->withJoinType)
            ->with($this->withJoinTable)
            ->visible(['gameChannel' => ['name'], 'admin' => ['username']])
            ->alias($alias)
            ->where($where)
            ->order($order)
            ->paginate($limit);

        return $this->success('', [
            'list'   => $res->items(),
            'total'  => $res->total(),
            'remark' => get_route_remark(),
        ]);
    }

    /**
     * 新建用户时：超管可选各渠道 default_tier_weight / default_bigwin_weight（大奖仅 default_bigwin_weight；default_kill_score_weight 为 T1～T5 击杀分档位，不作大奖回退）
     *
     * @throws Throwable
     */
    public function defaultWeightPresets(WebmanRequest $request): Response
    {
        $response = $this->initializeBackend($request);
        if ($response !== null) {
            return $response;
        }

        if (!$this->auth->check('game/user/index')) {
            return $this->error(__('You have no permission'));
        }

        $allowed = $this->getAllowedChannelIdsForGameConfig();
        $channelQuery = Db::name('game_channel')->field(['id', 'name'])->order('id', 'asc');
        if ($allowed !== null) {
            $channelQuery->where('id', 'in', $allowed);
        }
        $channels = $channelQuery->select()->toArray();

        $tierOut = [];
        $bigwinOut = [];
        /** 超管：首条为 game_config.channel_id=0 的全局默认权重 */
        if ($this->auth->isSuperAdmin()) {
            $gp = $this->fetchDefaultWeightsForChannelId(0);
            $gname = __('Global default');
            $tierOut[] = [
                'channel_id'   => 0,
                'channel_name' => $gname,
                'value'        => $gp['tier_weight'],
            ];
            $bigwinOut[] = [
                'channel_id'   => 0,
                'channel_name' => $gname,
                'value'        => $gp['bigwin_weight'],
            ];
        }

        if ($channels === []) {
            return $this->success('', [
                'tier'   => $tierOut,
                'bigwin' => $bigwinOut,
            ]);
        }

        $channelIds = array_column($channels, 'id');
        $nameList = [self::GC_NAME_TIER, self::GC_NAME_BIGWIN_PRIMARY];
        $rows = Db::name('game_config')
            ->where('group', self::GC_GROUP_WEIGHT)
            ->where('name', 'in', $nameList)
            ->where('channel_id', 'in', $channelIds)
            ->field(['channel_id', 'name', 'value'])
            ->select()
            ->toArray();

        $map = [];
        foreach ($rows as $row) {
            $cid = $row['channel_id'];
            if (!isset($map[$cid])) {
                $map[$cid] = [];
            }
            $map[$cid][$row['name']] = $row['value'];
        }

        foreach ($channels as $ch) {
            $cid = $ch['id'];
            $cname = $ch['name'] ?? '';
            $names = $map[$cid] ?? [];
            $tierVal = $names[self::GC_NAME_TIER] ?? null;
            $tierOut[] = [
                'channel_id'   => $cid,
                'channel_name' => $cname,
                'value'        => ($tierVal !== null && $tierVal !== '') ? trim((string) $tierVal) : '[]',
            ];
            $bigPrimary = $names[self::GC_NAME_BIGWIN_PRIMARY] ?? null;
            $bigVal = ($bigPrimary !== null && $bigPrimary !== '') ? trim((string) $bigPrimary) : null;
            $bigwinOut[] = [
                'channel_id'   => $cid,
                'channel_name' => $cname,
                'value'        => $bigVal !== null ? $bigVal : '[]',
            ];
        }

        return $this->success('', [
            'tier'   => $tierOut,
            'bigwin' => $bigwinOut,
        ]);
    }

    /**
     * 按渠道取默认档位/大奖权重（非超管仅可访问权限内渠道）
     *
     * @throws Throwable
     */
    public function defaultWeightByChannel(WebmanRequest $request): Response
    {
        $response = $this->initializeBackend($request);
        if ($response !== null) {
            return $response;
        }

        if (!$this->auth->check('game/user/index')) {
            return $this->error(__('You have no permission'));
        }

        $channelId = $request->get('channel_id', $request->post('channel_id'));
        if ($channelId === null || $channelId === '') {
            return $this->error(__('Parameter error'));
        }

        $cid = (int) $channelId;
        if ($cid === 0) {
            if (!$this->auth->isSuperAdmin()) {
                return $this->error(__('You have no permission'));
            }
            $pair = $this->fetchDefaultWeightsForChannelId(0);

            return $this->success('', [
                'tier_weight'   => $pair['tier_weight'],
                'bigwin_weight' => $pair['bigwin_weight'],
            ]);
        }

        if ($cid < 1 || !$this->canAccessChannelGameConfig($cid)) {
            return $this->error(__('You have no permission'));
        }

        $pair = $this->fetchDefaultWeightsForChannelId($cid);

        return $this->success('', [
            'tier_weight'   => $pair['tier_weight'],
            'bigwin_weight' => $pair['bigwin_weight'],
        ]);
    }

    /**
     * @return list<int|string>|null null 表示超管不限制渠道
     */
    private function getAllowedChannelIdsForGameConfig(): ?array
    {
        if ($this->auth->isSuperAdmin()) {
            return null;
        }
        $adminIds = parent::getDataLimitAdminIds();
        if ($adminIds === []) {
            return [-1];
        }
        $channelIds = Db::name('game_channel')->where('admin_id', 'in', $adminIds)->column('id');
        if ($channelIds === []) {
            return [-1];
        }

        return array_values(array_unique($channelIds));
    }

    private function canAccessChannelGameConfig(int $channelId): bool
    {
        $exists = Db::name('game_channel')->where('id', $channelId)->count();
        if ($exists < 1) {
            return false;
        }
        $allowed = $this->getAllowedChannelIdsForGameConfig();
        if ($allowed === null) {
            return true;
        }

        return in_array($channelId, $allowed, false);
    }

    /**
     * @return array{tier_weight: string, bigwin_weight: string}
     */
    private function fetchDefaultWeightsForChannelId(int $channelId): array
    {
        $rows = Db::name('game_config')
            ->where('channel_id', $channelId)
            ->where('group', self::GC_GROUP_WEIGHT)
            ->where('name', 'in', [self::GC_NAME_TIER, self::GC_NAME_BIGWIN_PRIMARY])
            ->column('value', 'name');

        $tier = $rows[self::GC_NAME_TIER] ?? null;
        $tierStr = ($tier !== null && $tier !== '') ? trim((string) $tier) : '[]';

        $bigPrimary = $rows[self::GC_NAME_BIGWIN_PRIMARY] ?? null;
        $bigStr = '[]';
        if ($bigPrimary !== null && $bigPrimary !== '') {
            $bigStr = trim((string) $bigPrimary);
        }

        // 适配导入：强制返回固定键的 JSON（缺失键补空字符串）
        $tierStr = $this->normalizeWeightJsonToFixedKeys($tierStr, self::TIER_WEIGHT_KEYS);
        $bigStr = $this->normalizeWeightJsonToFixedKeys($bigStr, self::BIGWIN_WEIGHT_KEYS);

        return [
            'tier_weight'   => $tierStr,
            'bigwin_weight' => $bigStr,
        ];
    }

    /**
     * 将 JSON 权重（数组形式：[{key:value}, ...]）归一化到固定键顺序。
     * 缺失键补空字符串；解析失败则返回固定键且值为空。
     */
    private function normalizeWeightJsonToFixedKeys(string $raw, array $fixedKeys): string
    {
        $raw = trim($raw);
        if ($raw === '' || $raw === '[]') {
            $empty = [];
            foreach ($fixedKeys as $k) {
                $empty[] = [$k => ''];
            }
            return json_encode($empty, JSON_UNESCAPED_UNICODE);
        }

        $decoded = json_decode($raw, true);
        if (!is_array($decoded)) {
            $empty = [];
            foreach ($fixedKeys as $k) {
                $empty[] = [$k => ''];
            }
            return json_encode($empty, JSON_UNESCAPED_UNICODE);
        }

        $map = [];
        foreach ($decoded as $item) {
            if (!is_array($item)) {
                continue;
            }
            foreach ($item as $k => $v) {
                if (!is_string($k) && !is_int($k)) {
                    continue;
                }
                $map[strval($k)] = $v === null ? '' : strval($v);
            }
        }

        $pairs = [];
        foreach ($fixedKeys as $k) {
            $pairs[] = [$k => $map[$k] ?? ''];
        }

        return json_encode($pairs, JSON_UNESCAPED_UNICODE);
    }

    /**
     * 当前渠道（game_channel_id）下是否已存在该用户名；编辑时排除当前记录主键
     */
    private function gameUserUsernameExistsInChannel(string $username, int|string $channelId, string|int|null $excludePk = null): bool
    {
        $name = trim($username);
        $cid = (int) $channelId;
        $query = Db::name('game_user')
            ->where('game_channel_id', $cid)
            ->where('username', $name);
        if ($excludePk !== null && $excludePk !== '') {
            $query->where('id', '<>', $excludePk);
        }

        return $query->count() > 0;
    }

    /**
     * 若需重写查看、编辑、删除等方法，请复制 @see \app\admin\library\traits\Backend 中对应的方法至此进行重写
     */
}