import { eq } from "drizzle-orm";
import type { EffectId } from "../shared/types";
import { DEFAULT_FLIP_MS } from "../shared/types";
import type { DbBundle } from "./db";
import { catalogsTable } from "./schema";

export type CatalogRow = {
  id: string;
  deleteToken: string;
  title: string;
  effect: EffectId;
  pageCount: number;
  flipMs: number;
  createdAt: string;
};

export type CatalogInsert = Omit<CatalogRow, "createdAt" | "flipMs"> & {
  createdAt?: string;
  flipMs?: number;
};

function toRow(record: typeof catalogsTable.$inferSelect): CatalogRow {
  return {
    id: record.id,
    deleteToken: record.deleteToken,
    title: record.title,
    effect: record.effect as EffectId,
    pageCount: record.pageCount,
    flipMs: record.flipMs ?? DEFAULT_FLIP_MS,
    createdAt: record.createdAt,
  };
}

export function createCatalogRepo(db: DbBundle) {
  return {
    create(input: CatalogInsert): CatalogRow {
      const createdAt = input.createdAt ?? new Date().toISOString();
      const flipMs = input.flipMs ?? DEFAULT_FLIP_MS;
      db.drizzle.insert(catalogsTable).values({
        id: input.id,
        deleteToken: input.deleteToken,
        title: input.title,
        effect: input.effect,
        pageCount: input.pageCount,
        flipMs,
        createdAt,
      }).run();
      db.persist();
      return {
        id: input.id,
        deleteToken: input.deleteToken,
        title: input.title,
        effect: input.effect,
        pageCount: input.pageCount,
        flipMs,
        createdAt,
      };
    },

    getById(id: string): CatalogRow | null {
      const row = db.drizzle
        .select()
        .from(catalogsTable)
        .where(eq(catalogsTable.id, id))
        .get();
      return row ? toRow(row) : null;
    },

    deleteById(id: string): boolean {
      const existing = this.getById(id);
      if (!existing) return false;
      db.drizzle.delete(catalogsTable).where(eq(catalogsTable.id, id)).run();
      db.persist();
      return true;
    },
  };
}

export type CatalogRepo = ReturnType<typeof createCatalogRepo>;