import { Prisma, PrismaClient } from "@prisma/client";
import { afterAll, beforeAll, beforeEach, describe, expect, it } from "vitest";
import { PrismaService } from "../../apps/api/src/database/prisma.service";

const databaseUrl =
  process.env.DATABASE_URL ??
  "postgresql://drift:drift_test_only@127.0.0.1:55432/drift_bottle_test?schema=public";
const prisma = new PrismaClient({ datasources: { db: { url: databaseUrl } } });

async function expectUniqueViolation(operation: Promise<unknown>) {
  await expect(operation).rejects.toMatchObject({
    code: "P2002",
  } satisfies Partial<Prisma.PrismaClientKnownRequestError>);
}

async function createAccount(suffix: string) {
  return prisma.account.create({
    data: {
      phoneCiphertext: Buffer.from(`ciphertext-${suffix}`),
      phoneHmac: `hmac-${suffix}`,
      anonymousProfile: { create: { nickname: `漂友-${suffix}` } },
    },
  });
}

async function createBottle(authorId: string, suffix: string) {
  return prisma.bottle.create({
    data: { authorId, contentText: `测试瓶子-${suffix}`, status: "IN_POOL" },
  });
}

describe("database authority constraints", () => {
  beforeAll(async () => prisma.$connect());
  beforeEach(async () => {
    await prisma.$executeRawUnsafe(`TRUNCATE TABLE "accounts" CASCADE`);
  });
  afterAll(async () => prisma.$disconnect());

  it("rejects a second conversation for the same source bottle with P2002", async () => {
    const author = await createAccount("conversation-author");
    const bottle = await createBottle(author.id, "conversation");
    await prisma.conversation.create({ data: { sourceBottleId: bottle.id } });

    await expectUniqueViolation(
      prisma.conversation.create({ data: { sourceBottleId: bottle.id } }),
    );
  });

  it("rejects duplicate bottle pick history with P2002", async () => {
    const author = await createAccount("history-author");
    const picker = await createAccount("history-picker");
    const bottle = await createBottle(author.id, "history");
    await prisma.bottlePickHistory.create({
      data: { bottleId: bottle.id, pickerId: picker.id },
    });

    await expectUniqueViolation(
      prisma.bottlePickHistory.create({
        data: { bottleId: bottle.id, pickerId: picker.id },
      }),
    );
  });

  it("rejects duplicate directed blocks with P2002", async () => {
    const blocker = await createAccount("blocker");
    const blocked = await createAccount("blocked");
    await prisma.block.create({
      data: { blockerId: blocker.id, blockedId: blocked.id },
    });

    await expectUniqueViolation(
      prisma.block.create({
        data: { blockerId: blocker.id, blockedId: blocked.id },
      }),
    );
  });

  it("rejects duplicate client message ids within a conversation with P2002", async () => {
    const author = await createAccount("client-message-author");
    const bottle = await createBottle(author.id, "client-message");
    const conversation = await prisma.conversation.create({
      data: { sourceBottleId: bottle.id },
    });
    await prisma.message.create({
      data: {
        conversationId: conversation.id,
        senderId: author.id,
        clientMsgId: "client-1",
        seq: 1,
        contentText: "一",
      },
    });

    await expectUniqueViolation(
      prisma.message.create({
        data: {
          conversationId: conversation.id,
          senderId: author.id,
          clientMsgId: "client-1",
          seq: 2,
          contentText: "二",
        },
      }),
    );
  });

  it("rejects duplicate message sequences within a conversation with P2002", async () => {
    const author = await createAccount("sequence-author");
    const bottle = await createBottle(author.id, "sequence");
    const conversation = await prisma.conversation.create({
      data: { sourceBottleId: bottle.id },
    });
    await prisma.message.create({
      data: {
        conversationId: conversation.id,
        senderId: author.id,
        clientMsgId: "client-a",
        seq: 1,
        contentText: "一",
      },
    });

    await expectUniqueViolation(
      prisma.message.create({
        data: {
          conversationId: conversation.id,
          senderId: author.id,
          clientMsgId: "client-b",
          seq: 1,
          contentText: "二",
        },
      }),
    );
  });
});

describe("PrismaService lifecycle", () => {
  it("connects and disconnects through module lifecycle hooks", async () => {
    const service = new PrismaService({
      datasources: { db: { url: databaseUrl } },
    });
    await service.onModuleInit();
    await expect(service.$queryRaw`SELECT 1`).resolves.toBeDefined();
    await service.onModuleDestroy();
  });
});