<?php
namespace app\controller\superadmin;

use app\BaseController;
use app\model\SystemConfig as SystemConfigModel;
use think\facade\Db;
use think\facade\Request;

/**
 * 超管「高考版管理」Hub：概览、用户列表、功能配置（与前端 GaokaoHub.vue 对齐）
 */
class Gaokao extends BaseController
{
    private const CONFIG_KEY = 'gaokao_hub';

    private function authOk(): bool
    {
        $user = $this->request->user ?? null;

        return !!($user && ($user['role'] ?? '') === 'superadmin');
    }

    /**
     * GET /api/v1/superadmin/gaokao/overview
     */
    public function overview()
    {
        if (!$this->authOk()) {
            return error('无权限访问', 403);
        }

        $todayStart = strtotime('today');

        $totalUsers = (int) Db::name('gaokao_user_profile')->count();

        $completedUsers = (int) Db::name('gaokao_user_profile')
            ->where(function ($q) {
                $q->where('analyzeStatus', 1)->whereOr('latestReportId', '>', 0);
            })
            ->count();

        $todayNew = (int) Db::name('gaokao_user_profile')
            ->where('createdAt', '>=', $todayStart)
            ->count();

        $reportsGenerated = (int) Db::name('test_results')
            ->where('testType', 'gaokao')
            ->count();

        $avgRow = Db::name('gaokao_user_profile')
            ->where('estimatedScore', '>', 0)
            ->fieldRaw('AVG(`estimatedScore`) AS a')
            ->find();
        $avgScore = (int) round((float) ($avgRow['a'] ?? 0));

        $conversionRate = $totalUsers > 0
            ? (string) round($completedUsers / $totalUsers * 100, 1) . '%'
            : '0%';

        $dist = [
            '700plus' => 0,
            '650_700' => 0,
            '600_650' => 0,
            '550_600' => 0,
            '500_550' => 0,
            'below500' => 0,
        ];

        $scores = Db::name('gaokao_user_profile')
            ->where('estimatedScore', '>', 0)
            ->column('estimatedScore');
        foreach ($scores as $s) {
            $n = (int) $s;
            if ($n >= 700) {
                $dist['700plus']++;
            } elseif ($n >= 650) {
                $dist['650_700']++;
            } elseif ($n >= 600) {
                $dist['600_650']++;
            } elseif ($n >= 550) {
                $dist['550_600']++;
            } elseif ($n >= 500) {
                $dist['500_550']++;
            } else {
                $dist['below500']++;
            }
        }

        return success([
            'totalUsers'       => $totalUsers,
            'completedUsers'   => $completedUsers,
            'todayNew'         => $todayNew,
            'reportsGenerated' => $reportsGenerated,
            'conversionRate'   => $conversionRate,
            'avgScore'         => $avgScore,
            'scoreDistribution'=> $dist,
        ]);
    }

    /**
     * GET /api/v1/superadmin/gaokao/users
     * Query: q, status (completed|in_progress|abandoned), page, pageSize, tenantId（可选）
     */
    public function users()
    {
        if (!$this->authOk()) {
            return error('无权限访问', 403);
        }

        $page = max(1, (int) Request::param('page', 1));
        $pageSize = min(100, max(1, (int) Request::param('pageSize', 20)));
        $keyword = trim((string) Request::param('q', Request::param('keyword', '')));
        $status = trim((string) Request::param('status', ''));
        $tenantId = (int) Request::param('tenantId', 0);

        $q = Db::name('gaokao_user_profile')->alias('g')
            ->join('wechat_users w', 'w.id = g.userId')
            ->leftJoin('enterprises e', 'e.id = g.tenantId');

        if ($keyword !== '') {
            $like = '%' . addcslashes($keyword, '%_\\') . '%';
            $q->whereRaw('(w.nickname LIKE ? OR w.phone LIKE ? OR g.name LIKE ?)', [$like, $like, $like]);
        }
        if ($tenantId > 0) {
            $q->where('g.tenantId', $tenantId);
        }

        if ($status === 'completed') {
            $q->where(function ($w) {
                $w->where('g.analyzeStatus', 1)->whereOr('g.latestReportId', '>', 0);
            });
        } elseif ($status === 'in_progress') {
            $q->whereRaw('(g.`latestReportId` IS NULL OR g.`latestReportId` = 0) AND IFNULL(g.`analyzeStatus`,0) = 0')
                ->where(function ($w) {
                    $w->where('g.entryStatus', 1)
                        ->whereOr('g.formStatus', '>', 0)
                        ->whereOr('g.mbtiStatus', '>', 0)
                        ->whereOr('g.pdpStatus', '>', 0)
                        ->whereOr('g.discStatus', '>', 0);
                });
        } elseif ($status === 'abandoned') {
            $q->where('g.analyzeStatus', 2);
        }

        $total = (int) (clone $q)->count();
        $rows = (clone $q)
            ->field('g.*,w.nickname,w.phone,w.avatar,e.name as tenantName')
            ->order('g.id', 'desc')
            ->page($page, $pageSize)
            ->select()
            ->toArray();

        $list = [];
        foreach ($rows as $r) {
            $list[] = $this->formatGaokaoUserRow($r);
        }

        return paginate_response($list, $total, $page, $pageSize);
    }

    /**
     * @param array<string,mixed> $r
     * @return array<string,mixed>
     */
    private function formatGaokaoUserRow(array $r): array
    {
        $formJson = $r['formJson'] ?? null;
        if (is_string($formJson)) {
            $formJson = json_decode($formJson, true) ?: [];
        }
        if (!is_array($formJson)) {
            $formJson = [];
        }

        $tagsJson = $r['tagsJson'] ?? null;
        if (is_string($tagsJson)) {
            $tagsJson = json_decode($tagsJson, true) ?: [];
        }
        if (!is_array($tagsJson)) {
            $tagsJson = [];
        }

        $mbtiType = (string) ($tagsJson['mbtiType'] ?? $tagsJson['mbti'] ?? $formJson['mbtiType'] ?? '');
        $majorDirection = (string) ($formJson['majorDirection'] ?? $formJson['majorFocus'] ?? $tagsJson['majorDirection'] ?? '');

        $rid = (int) ($r['latestReportId'] ?? 0);
        $an = (int) ($r['analyzeStatus'] ?? 0);

        if ($rid > 0 || $an === 1) {
            $st = 'completed';
        } elseif ($an === 2) {
            $st = 'abandoned';
        } elseif ((int) ($r['entryStatus'] ?? 0) === 1
            || (int) ($r['formStatus'] ?? 0) > 0
            || (int) ($r['mbtiStatus'] ?? 0) > 0
            || (int) ($r['pdpStatus'] ?? 0) > 0
            || (int) ($r['discStatus'] ?? 0) > 0) {
            $st = 'in_progress';
        } else {
            // 尚未进入流程或仅占位档案：前端按「进行中」展示，避免误判为放弃
            $st = 'in_progress';
        }

        $lastAt = isset($r['lastAnalyzeAt']) ? (int) $r['lastAnalyzeAt'] : 0;

        return [
            'id'             => (int) ($r['id'] ?? 0),
            'userId'         => (int) ($r['userId'] ?? 0),
            'nickname'       => (string) ($r['nickname'] ?? ''),
            'phone'          => (string) ($r['phone'] ?? ''),
            'gaokaoScore'    => isset($r['estimatedScore']) && $r['estimatedScore'] !== null ? (int) $r['estimatedScore'] : null,
            'mbtiType'       => $mbtiType !== '' ? $mbtiType : null,
            'majorDirection' => $majorDirection !== '' ? $majorDirection : null,
            'status'         => $st,
            'reportId'       => $rid > 0 ? $rid : null,
            'completedAt'    => $lastAt > 0 ? date('Y-m-d H:i:s', $lastAt) : null,
            'tenantName'     => (string) ($r['tenantName'] ?? ''),
        ];
    }

    /**
     * GET /api/v1/superadmin/gaokao/config
     */
    public function getConfig()
    {
        if (!$this->authOk()) {
            return error('无权限访问', 403);
        }

        return success($this->loadGaokaoHubConfig());
    }

    /**
     * POST /api/v1/superadmin/gaokao/config
     */
    public function saveConfig()
    {
        if (!$this->authOk()) {
            return error('无权限访问', 403);
        }

        $body = Request::post();
        if (!is_array($body)) {
            $body = [];
        }

        $merged = array_merge($this->defaultGaokaoHubConfig(), $body);
        $merged['reportPrice'] = max(0, (float) ($merged['reportPrice'] ?? 0));
        $merged['freeQuota'] = max(0, (int) ($merged['freeQuota'] ?? 0));
        $merged['maxMajors'] = max(3, min(20, (int) ($merged['maxMajors'] ?? 10)));

        foreach (['gaokaoEnabled', 'faceEnabled', 'mbtiEnabled', 'aiRecommendEnabled', 'paidReportEnabled', 'privacyNoticeEnabled'] as $k) {
            $merged[$k] = !empty($merged[$k]);
        }

        $row = SystemConfigModel::where('key', self::CONFIG_KEY)->where('enterprise_id', 0)->find();
        $now = time();
        if ($row) {
            $row->value = $merged;
            $row->updatedAt = $now;
            $row->save();
        } else {
            SystemConfigModel::create([
                'key'           => self::CONFIG_KEY,
                'enterprise_id' => 0,
                'value'         => $merged,
                'description'   => '超管高考版 Hub 开关与参数',
                'createdAt'     => $now,
                'updatedAt'     => $now,
            ]);
        }

        return success($merged, '保存成功');
    }

    /**
     * @return array<string,mixed>
     */
    private function defaultGaokaoHubConfig(): array
    {
        return [
            'gaokaoEnabled'          => true,
            'faceEnabled'            => true,
            'mbtiEnabled'            => true,
            'aiRecommendEnabled'     => true,
            'paidReportEnabled'      => false,
            'privacyNoticeEnabled'   => true,
            'reportPrice'            => 9.9,
            'freeQuota'              => 1,
            'maxMajors'              => 10,
        ];
    }

    /**
     * @return array<string,mixed>
     */
    private function loadGaokaoHubConfig(): array
    {
        $defaults = $this->defaultGaokaoHubConfig();
        $row = SystemConfigModel::where('key', self::CONFIG_KEY)->where('enterprise_id', 0)->find();
        if (!$row || $row->value === null || $row->value === '') {
            return $defaults;
        }
        $v = $row->value;
        if (!is_array($v)) {
            return $defaults;
        }

        return array_merge($defaults, $v);
    }
}