import "dotenv/config";
import { describe, it, expect, beforeEach, afterEach, vi } from "vitest";

import { signAccessToken } from "@/features/auth/authCrypto";

const BASE_URL = "http://localhost";

// in-memory Prisma 목 데이터
const inMemoryProjects: any[] = [];
const inMemorySubmissions: any[] = [];

vi.mock("@prisma/client", () => {
  class PrismaClientMock {
    project = {
      findMany: async ({ where }: any) => {
        if (!where || !where.userId) return [];
        return inMemoryProjects.filter((p) => p.userId === where.userId);
      },
    };

    formSubmission = {
      findMany: async ({ where }: any) => {
        if (!where || !where.userId) return [];
        return inMemorySubmissions.filter((s) => s.userId === where.userId);
      },
    };
  }

  return { PrismaClient: PrismaClientMock };
});

beforeEach(() => {
  inMemoryProjects.length = 0;
  inMemorySubmissions.length = 0;
  process.env.AUTH_JWT_SECRET = "test-jwt-secret-reports-leads";
  process.env.AUTH_ENCRYPTION_KEY = "0123456789abcdef0123456789abcdef";

  vi.useFakeTimers();
  vi.setSystemTime(new Date("2025-01-10T00:00:00.000Z"));
});

afterEach(() => {
  vi.useRealTimers();
});

describe("/api/reports/leads", () => {
  it("range=all 에서 필터된 모든 리드를 최신순으로 반환해야 한다", async () => {
    const { GET: leads } = await import("@/app/api/reports/leads/route");

    const userId = "user-reports-leads-all";

    inMemoryProjects.push(
      { id: "p1", userId, title: "Project A", slug: "project-a" },
      { id: "p2", userId, title: "Project B", slug: "project-b" },
    );

    inMemorySubmissions.push(
      {
        id: "s1",
        userId,
        projectId: "p1",
        projectSlug: "project-a",
        createdAt: new Date("2025-01-09T12:00:00.000Z"),
        payloadJson: { name: "Alice" },
      },
      {
        id: "s2",
        userId,
        projectId: "p2",
        projectSlug: "project-b",
        createdAt: new Date("2025-01-08T09:00:00.000Z"),
        payloadJson: { email: "bob@example.com" },
      },
      {
        id: "s3",
        userId,
        projectId: "p1",
        projectSlug: "project-a",
        createdAt: new Date("2025-01-10T00:00:00.000Z"),
        payloadJson: { phone: "010-0000-0000" },
      },
    );

    const token = await signAccessToken({
      id: userId,
      email: "reports-leads@example.com",
      tokenVersion: 1,
      emailVerified: true,
    } as any);

    const res = await leads(
      new Request(`${BASE_URL}/api/reports/leads?range=all`, {
        headers: { cookie: `pb_access=${token}` },
      }),
    );

    expect(res.status).toBe(200);
    const json = (await res.json()) as any;

    expect(json.total).toBe(3);
    expect(Array.isArray(json.items)).toBe(true);
    expect(json.items.length).toBe(3);

    // 최신순 정렬: createdAt 이 가장 최근인 s3 가 첫 번째여야 한다.
    expect(json.items[0].id).toBe("s3");
    expect(json.items[1].id).toBe("s1");
    expect(json.items[2].id).toBe("s2");

    const first = json.items[0];
    expect(first.projectSlug).toBe("project-a");
    expect(first.projectTitle).toBe("Project A");
    expect(first.payload).toEqual({ phone: "010-0000-0000" });
  });

  it("range=7d 와 projectId 가 적용되면 해당 조건에 맞는 리드만 반환해야 한다", async () => {
    const { GET: leads } = await import("@/app/api/reports/leads/route");

    const userId = "user-reports-leads-filter";

    inMemoryProjects.push({ id: "p1", userId, title: "Project A", slug: "project-a" });

    // 기준 시간: 2025-01-10
    inMemorySubmissions.push(
      {
        id: "s1",
        userId,
        projectId: "p1",
        projectSlug: "project-a",
        createdAt: new Date("2025-01-09T12:00:00.000Z"), // within 7d
        payloadJson: { name: "Alice" },
      },
      {
        id: "s2",
        userId,
        projectId: "p1",
        projectSlug: "project-a",
        createdAt: new Date("2025-01-01T12:00:00.000Z"), // older than 7d
        payloadJson: { name: "Old" },
      },
    );

    const token = await signAccessToken({
      id: userId,
      email: "reports-leads-filter@example.com",
      tokenVersion: 1,
      emailVerified: true,
    } as any);

    const res = await leads(
      new Request(`${BASE_URL}/api/reports/leads?range=7d&projectId=p1`, {
        headers: { cookie: `pb_access=${token}` },
      }),
    );

    expect(res.status).toBe(200);
    const json = (await res.json()) as any;

    expect(json.total).toBe(1);
    expect(json.items.length).toBe(1);
    expect(json.items[0].id).toBe("s1");
  });

  it("from/to 쿼리로 커스텀 기간의 리드만 반환해야 한다", async () => {
    const { GET: leads } = await import("@/app/api/reports/leads/route");

    const userId = "user-reports-leads-from-to";

    inMemoryProjects.push({ id: "p1", userId, title: "Project A", slug: "project-a" });

    inMemorySubmissions.push(
      {
        id: "s1",
        userId,
        projectId: "p1",
        projectSlug: "project-a",
        createdAt: new Date("2025-01-01T12:00:00.000Z"),
        payloadJson: { label: "old" },
      },
      {
        id: "s2",
        userId,
        projectId: "p1",
        projectSlug: "project-a",
        createdAt: new Date("2025-01-05T12:00:00.000Z"),
        payloadJson: { label: "mid" },
      },
      {
        id: "s3",
        userId,
        projectId: "p1",
        projectSlug: "project-a",
        createdAt: new Date("2025-01-09T12:00:00.000Z"),
        payloadJson: { label: "new" },
      },
    );

    const token = await signAccessToken({
      id: userId,
      email: "reports-leads-from-to@example.com",
      tokenVersion: 1,
      emailVerified: true,
    } as any);

    const res = await leads(
      new Request(`${BASE_URL}/api/reports/leads?from=2025-01-02&to=2025-01-08`, {
        headers: { cookie: `pb_access=${token}` },
      }),
    );

    expect(res.status).toBe(200);
    const json = (await res.json()) as any;

    expect(json.total).toBe(1);
    expect(json.items.length).toBe(1);
    expect(json.items[0].id).toBe("s2");
  });

  it("JWT 가 없으면 401 을 반환해야 한다", async () => {
    const { GET: leads } = await import("@/app/api/reports/leads/route");

    const res = await leads(new Request(`${BASE_URL}/api/reports/leads?range=all`));

    expect(res.status).toBe(401);
  });
});