import { beforeEach, describe, expect, it } from "vitest";

// Covers every /api/bot/* route — these are authed by a shared secret
// header (src/lib/bot-auth.ts), not an Auth.js session, since the caller is
// the inventory-capture Telegram bot service, not a browser. No @/auth
// mock needed here (unlike tests/employees.test.ts and friends).
process.env.BOT_INGEST_SECRET = "test-bot-secret";

import { GET as getCatalog } from "@/app/api/bot/catalog/route";
import { GET as getBotAreas, POST as postBotAreas } from "@/app/api/bot/areas/route";
import { GET as getBotEmployees, POST as postBotEmployees } from "@/app/api/bot/employees/route";
import { POST as postBotAssetModel } from "@/app/api/bot/asset-models/route";
import { POST as postBotInventoryScan } from "@/app/api/bot/inventory-scans/route";
import { prisma } from "@/lib/prisma";

const AUTH_HEADER = { authorization: "Bearer test-bot-secret" };

function req(url: string, opts: { method?: string; body?: unknown; auth?: boolean } = {}): Request {
  return new Request(`http://localhost${url}`, {
    method: opts.method ?? "GET",
    headers: {
      "content-type": "application/json",
      ...(opts.auth === false ? {} : AUTH_HEADER),
    },
    ...(opts.body !== undefined ? { body: JSON.stringify(opts.body) } : {}),
  });
}

async function seedCategoryAndModel() {
  const category = await prisma.assetCategory.create({
    data: { name: "Workstation", valueGroup: "high_value" },
  });
  await prisma.assetCategoryAttributeDef.create({
    data: { categoryId: category.id, key: "cpu", label: "CPU", dataType: "string", required: false, sortOrder: 1 },
  });
  const model = await prisma.assetModel.create({
    data: { categoryId: category.id, manufacturer: "HP", name: "Z4 G4", specs: {} },
  });
  return { category, model };
}

beforeEach(async () => {
  await prisma.inventoryScan.deleteMany();
  await prisma.assetCategoryAttributeDef.deleteMany();
  await prisma.assetModel.deleteMany();
  await prisma.assetCategory.deleteMany();
  await prisma.area.deleteMany();
  await prisma.employee.deleteMany();
});

describe("GET /api/bot/catalog", () => {
  it("returns categories with nested models and attribute defs", async () => {
    await seedCategoryAndModel();

    const res = await getCatalog(req("/api/bot/catalog"));
    expect(res.status).toBe(200);
    const body = await res.json();
    expect(body.categories).toHaveLength(1);
    expect(body.categories[0]).toMatchObject({
      name: "Workstation",
      models: [{ manufacturer: "HP", name: "Z4 G4" }],
      attribute_defs: [{ key: "cpu", label: "CPU", data_type: "string" }],
    });
  });

  it("returns 401 with a wrong secret", async () => {
    const res = await getCatalog(
      new Request("http://localhost/api/bot/catalog", {
        headers: { authorization: "Bearer wrong-secret" },
      })
    );
    expect(res.status).toBe(401);
  });

  it("returns 401 with no auth header", async () => {
    const res = await getCatalog(req("/api/bot/catalog", { auth: false }));
    expect(res.status).toBe(401);
  });
});

describe("/api/bot/areas", () => {
  it("POST creates an area, and re-posting the same name returns the same row (idempotent)", async () => {
    const first = await postBotAreas(req("/api/bot/areas", { method: "POST", body: { name: "Seat 12" } }));
    expect(first.status).toBe(201);
    const firstBody = await first.json();

    const second = await postBotAreas(req("/api/bot/areas", { method: "POST", body: { name: "Seat 12" } }));
    const secondBody = await second.json();
    expect(secondBody.id).toBe(firstBody.id);
  });

  it("GET lists areas", async () => {
    await postBotAreas(req("/api/bot/areas", { method: "POST", body: { name: "Seat 12" } }));
    const res = await getBotAreas(req("/api/bot/areas"));
    const body = await res.json();
    expect(body.areas).toHaveLength(1);
  });

  it("POST returns 401 without the bot secret", async () => {
    const res = await postBotAreas(
      req("/api/bot/areas", { method: "POST", body: { name: "Seat 12" }, auth: false })
    );
    expect(res.status).toBe(401);
  });
});

describe("/api/bot/employees", () => {
  it("POST creates an employee, defaulting department when omitted", async () => {
    const res = await postBotEmployees(
      req("/api/bot/employees", { method: "POST", body: { name: "Toan Hoang" } })
    );
    expect(res.status).toBe(201);
    const body = await res.json();
    expect(body.name).toBe("Toan Hoang");
    expect(body.department).toBeTruthy();
  });

  it("GET lists employees", async () => {
    await postBotEmployees(req("/api/bot/employees", { method: "POST", body: { name: "Toan Hoang" } }));
    const res = await getBotEmployees(req("/api/bot/employees"));
    const body = await res.json();
    expect(body.employees).toHaveLength(1);
  });

  it("POST returns 401 without the bot secret", async () => {
    const res = await postBotEmployees(
      req("/api/bot/employees", { method: "POST", body: { name: "Toan" }, auth: false })
    );
    expect(res.status).toBe(401);
  });
});

describe("POST /api/bot/asset-models", () => {
  it("creates a model within an existing high_value category", async () => {
    const { category } = await seedCategoryAndModel();

    const res = await postBotAssetModel(
      req("/api/bot/asset-models", {
        method: "POST",
        body: { categoryId: category.id, manufacturer: "Lenovo", name: "P620" },
      })
    );
    expect(res.status).toBe(201);
    const body = await res.json();
    expect(body).toMatchObject({ manufacturer: "Lenovo", name: "P620" });
  });

  it("returns 401 without the bot secret", async () => {
    const { category } = await seedCategoryAndModel();
    const res = await postBotAssetModel(
      req("/api/bot/asset-models", {
        method: "POST",
        body: { categoryId: category.id, manufacturer: "Lenovo", name: "P620" },
        auth: false,
      })
    );
    expect(res.status).toBe(401);
  });
});

describe("POST /api/bot/inventory-scans", () => {
  it("creates a scan with specs, asset tag and serial number", async () => {
    const { category, model } = await seedCategoryAndModel();

    const res = await postBotInventoryScan(
      req("/api/bot/inventory-scans", {
        method: "POST",
        body: {
          categoryId: category.id,
          modelId: model.id,
          assetTag: "TAG-1",
          serialNumber: "SN-1",
          specs: { cpu: "i7" },
          telegramChatId: "12345",
        },
      })
    );
    expect(res.status).toBe(201);
    const body = await res.json();
    expect(body).toMatchObject({
      category_name: "Workstation",
      model_name: "Z4 G4",
      asset_tag: "TAG-1",
      serial_number: "SN-1",
      specs: { cpu: "i7" },
    });
  });

  it("rejects a categoryId/modelId that doesn't reference an existing row", async () => {
    const res = await postBotInventoryScan(
      req("/api/bot/inventory-scans", {
        method: "POST",
        body: {
          categoryId: "00000000-0000-0000-0000-000000000000",
          modelId: "00000000-0000-0000-0000-000000000000",
        },
      })
    );
    expect(res.status).toBe(400);
  });

  it("returns 401 without the bot secret", async () => {
    const { category, model } = await seedCategoryAndModel();
    const res = await postBotInventoryScan(
      req("/api/bot/inventory-scans", {
        method: "POST",
        body: { categoryId: category.id, modelId: model.id },
        auth: false,
      })
    );
    expect(res.status).toBe(401);
    expect(await prisma.inventoryScan.findMany()).toHaveLength(0);
  });
});