import { Injectable } from '@nestjs/common';
import { PrismaService } from '../prisma/prisma.service';

@Injectable()
export class NoticesService {
  constructor(private readonly prisma: PrismaService) {}

  async getLoginNotice() {
    const now = new Date();

    const notice = await this.prisma.launcherNotice.findFirst({
      where: {
        appKey: 'Launcher',
        isActive: true,
        OR: [
          { startsAt: null, endsAt: null },
          { startsAt: { lte: now }, endsAt: null },
          { startsAt: null, endsAt: { gte: now } },
          { startsAt: { lte: now }, endsAt: { gte: now } },
        ],
      },
      orderBy: [{ priority: 'desc' }, { createdAt: 'desc' }],
      select: {
        id: true,
        title: true,
        body: true,
        linkUrl: true,
      },
    });

    return { notice };
  }

  async getAppNotices(appKey: string) {
    const now = new Date();

    const notices = await this.prisma.launcherNotice.findMany({
      where: {
        appKey,
        isActive: true,
        OR: [
          { startsAt: null, endsAt: null },
          { startsAt: { lte: now }, endsAt: null },
          { startsAt: null, endsAt: { gte: now } },
          { startsAt: { lte: now }, endsAt: { gte: now } },
        ],
      },
      orderBy: [{ priority: 'desc' }, { createdAt: 'desc' }],
      select: {
        id: true,
        title: true,
        body: true,
        linkUrl: true,
        createdAt: true,
      },
    });

    return {
      notices: notices.map((notice) => ({
        ...notice,
        date: formatNoticeDate(notice.createdAt),
      })),
    };
  }
}

function formatNoticeDate(date: Date): string {
  const year = date.getFullYear();
  const month = String(date.getMonth() + 1).padStart(2, '0');
  const day = String(date.getDate()).padStart(2, '0');

  return `${year}.${month}.${day}`;
}