/**
 * @copyright 2026 NHCarrigan
 * @license Naomi's Public License
 * @author Naomi Carrigan
 */

import { Manga, MangaStatus, CreateMangaDto, UpdateMangaDto } from "@library/shared-types";
import { prisma } from "../lib/prisma";

export class MangaService {
  private prisma = prisma;

  constructor() {}

  async getAllManga(): Promise<Manga[]> {
    const manga = await this.prisma.manga.findMany({
      orderBy: { updatedAt: "desc" },
    });

    return manga.map((m) => ({
      ...m,
      status: m.status as unknown as MangaStatus,
      dateAdded: m.dateAdded,
      dateCompleted: m.dateCompleted || undefined,
      createdAt: m.createdAt,
      updatedAt: m.updatedAt,
    }));
  }

  async getMangaById(id: string): Promise<Manga | null> {
    const manga = await this.prisma.manga.findUnique({
      where: { id },
    });

    if (!manga) return null;

    return {
      ...manga,
      status: manga.status as unknown as MangaStatus,
      dateAdded: manga.dateAdded,
      dateCompleted: manga.dateCompleted || undefined,
      createdAt: manga.createdAt,
      updatedAt: manga.updatedAt,
    };
  }

  async createManga(data: CreateMangaDto): Promise<Manga> {
    const manga = await this.prisma.manga.create({
      data: {
        ...data,
        status: data.status.toUpperCase() as any,
      },
    });

    return {
      ...manga,
      status: manga.status as unknown as MangaStatus,
      dateAdded: manga.dateAdded,
      dateCompleted: manga.dateCompleted || undefined,
      createdAt: manga.createdAt,
      updatedAt: manga.updatedAt,
    };
  }

  async updateManga(id: string, data: UpdateMangaDto): Promise<Manga> {
    const updateData = { ...data };
    if (updateData.status) {
      updateData.status = updateData.status.toUpperCase() as any;
    }

    const manga = await this.prisma.manga.update({
      where: { id },
      data: updateData,
    });

    return {
      ...manga,
      status: manga.status as unknown as MangaStatus,
      dateAdded: manga.dateAdded,
      dateCompleted: manga.dateCompleted || undefined,
      createdAt: manga.createdAt,
      updatedAt: manga.updatedAt,
    };
  }

  async deleteManga(id: string): Promise<void> {
    await this.prisma.manga.delete({
      where: { id },
    });
  }
}