<?php

namespace App\Controllers\Admin;

use App\Controllers\BaseController;
use App\Models\LocalGovernmentModel;
use App\Models\MemberApprovalRequestModel;
use App\Models\MemberModel;
use Config\Roles;
use App\Models\MemberLogModel;

class Access extends BaseController
{
    private MemberLogModel $memberLogModel;
    private MemberApprovalRequestModel $approvalModel;
    private MemberModel $memberModel;
    private Roles $roles;

    public function __construct()
    {
        $this->memberLogModel = model(MemberLogModel::class);
        $this->approvalModel  = model(MemberApprovalRequestModel::class);
        $this->memberModel    = model(MemberModel::class);
        $this->roles          = config('Roles');
    }

    /**
     * 로그인 이력 (기간 조회)
     */
    public function loginHistory(): string
    {
        $start = $this->request->getGet('start');
        $end   = $this->request->getGet('end');
        $builder = $this->memberLogModel->builder();
        $builder->select('member_log.*');
        $builder->orderBy('mll_regdate', 'DESC');
        if ($start !== null && $start !== '') {
            $builder->where('mll_regdate >=', $start . ' 00:00:00');
        }
        if ($end !== null && $end !== '') {
            $builder->where('mll_regdate <=', $end . ' 23:59:59');
        }
        $list = $builder->get()->getResult();
        return view('admin/layout', [
            'title'   => '로그인 이력',
            'content' => view('admin/access/login_history', ['list' => $list, 'start' => $start, 'end' => $end]),
        ]);
    }

    public function approvals(): string
    {
        $status = (string) ($this->request->getGet('status') ?? MemberApprovalRequestModel::STATUS_PENDING);
        $allowedStatus = [
            MemberApprovalRequestModel::STATUS_PENDING,
            MemberApprovalRequestModel::STATUS_APPROVED,
            MemberApprovalRequestModel::STATUS_REJECTED,
        ];
        if (! in_array($status, $allowedStatus, true)) {
            $status = MemberApprovalRequestModel::STATUS_PENDING;
        }

        $builder = $this->approvalModel->builder();
        $builder->select(
            'member_approval_request.*, member.mb_id, member.mb_name, member.mb_lg_idx, local_government.lg_name'
        );
        $builder->join('member', 'member.mb_idx = member_approval_request.mb_idx', 'left');
        $builder->join('local_government', 'local_government.lg_idx = member.mb_lg_idx', 'left');
        $builder->where('member_approval_request.mar_status', $status);
        $builder->orderBy('member_approval_request.mar_requested_at', 'DESC');
        $list = $builder->get()->getResult();

        return view('admin/layout', [
            'title'   => '승인 대기',
            'content' => view('admin/access/approvals', [
                'list'   => $list,
                'status' => $status,
                'roles'  => $this->roles,
            ]),
        ]);
    }

    public function approve(int $id)
    {
        $requestRow = $this->approvalModel->find($id);
        if (! $requestRow) {
            return redirect()->to(site_url('admin/access/approvals'))->with('error', '승인 요청을 찾을 수 없습니다.');
        }
        if ($requestRow->mar_status !== MemberApprovalRequestModel::STATUS_PENDING) {
            return redirect()->to(site_url('admin/access/approvals'))->with('error', '이미 처리된 요청입니다.');
        }

        $requestedLevel = (int) $requestRow->mar_requested_level;
        if ($requestedLevel === Roles::LEVEL_SUPER_ADMIN || $requestedLevel === Roles::LEVEL_HEADQUARTERS_ADMIN) {
            return redirect()->to(site_url('admin/access/approvals'))->with('error', '상위 관리자 역할 요청은 승인할 수 없습니다.');
        }

        $db = db_connect();
        $db->transStart();
        $this->memberModel->update((int) $requestRow->mb_idx, [
            'mb_level' => $requestedLevel,
        ]);
        $this->approvalModel->update($id, [
            'mar_status'       => MemberApprovalRequestModel::STATUS_APPROVED,
            'mar_processed_at' => date('Y-m-d H:i:s'),
            'mar_processed_by' => (int) (session()->get('mb_idx') ?? 0),
            'mar_reject_reason' => null,
        ]);
        $db->transComplete();

        if (! $db->transStatus()) {
            return redirect()->to(site_url('admin/access/approvals'))->with('error', '승인 처리 중 오류가 발생했습니다.');
        }

        return redirect()->to(site_url('admin/access/approvals'))->with('success', '승인 처리되었습니다.');
    }

    public function reject(int $id)
    {
        $requestRow = $this->approvalModel->find($id);
        if (! $requestRow) {
            return redirect()->to(site_url('admin/access/approvals'))->with('error', '승인 요청을 찾을 수 없습니다.');
        }
        if ($requestRow->mar_status !== MemberApprovalRequestModel::STATUS_PENDING) {
            return redirect()->to(site_url('admin/access/approvals'))->with('error', '이미 처리된 요청입니다.');
        }

        $reason = trim((string) $this->request->getPost('reject_reason'));
        if ($reason === '') {
            $reason = '관리자 반려';
        }
        $this->approvalModel->update($id, [
            'mar_status'        => MemberApprovalRequestModel::STATUS_REJECTED,
            'mar_reject_reason' => mb_substr($reason, 0, 255),
            'mar_processed_at'  => date('Y-m-d H:i:s'),
            'mar_processed_by'  => (int) (session()->get('mb_idx') ?? 0),
        ]);

        return redirect()->to(site_url('admin/access/approvals'))->with('success', '반려 처리되었습니다.');
    }
}