import { describe, expect, it } from "vitest";
import { serviceGroupsResponseSchema } from "@cfdm/shared";
import { repos } from "@cfdm/db";
import type { CloudflareClient } from "../src/lib/cf-client.js";
import { buildApp } from "../src/app.js";
import { loadConfig } from "../src/config.js";
import {
  listGroupViews,
  updateConfig,
} from "../src/services/service-config-service.js";

function mockCf(): CloudflareClient {
  return {
    listDnsRecords: async () => [],
    createDnsRecord: async (_zoneId: string, payload: { type: string; name: string; content: string }) => ({
      id: `cf-${payload.name}`,
      type: payload.type,
      name: payload.name,
      content: payload.content,
      ttl: 1,
      proxied: false,
    }),
    updateDnsRecord: async (
      _zoneId: string,
      id: string,
      payload: { type: string; name: string; content: string },
    ) => ({
      id,
      type: payload.type,
      name: payload.name,
      content: payload.content,
      ttl: 1,
      proxied: false,
    }),
    deleteDnsRecord: async () => undefined,
    verifyToken: async () => true,
    listZones: async () => [{ id: "zone-1", name: "example.com", status: "active" }],
  } as unknown as CloudflareClient;
}

async function authHeaders(app: Awaited<ReturnType<typeof buildApp>>) {
  const config = loadConfig();
  const res = await app.inject({
    method: "POST",
    url: "/api/v1/auth/login",
    payload: { username: config.adminUsername, password: "admin" },
  });
  expect(res.statusCode).toBe(200);
  const { token } = res.json() as { token: string };
  return { authorization: `Bearer ${token}` };
}

describe("create service then list groups", () => {
  it("create + updateConfig then listGroupViews parses with shared Zod schema", async () => {
    const app = await buildApp({
      config: { ...loadConfig(), staticDir: null },
      memory: true,
    });
    const headers = await authHeaders(app);
    const cf = mockCf();

    repos.createDomain(app.db, null, "example.com", "zone-1");
    const group = repos.createServiceGroup(
      app.db,
      "VPN",
      "vpn",
      null,
      "vpn.example.com",
    );

    const createRes = await app.inject({
      method: "POST",
      url: "/api/v1/services",
      headers,
      payload: {
        name: "Panel",
        slug: "panel",
        service_group_id: group.id,
      },
    });
    expect(createRes.statusCode).toBe(200);
    const created = createRes.json() as {
      id: number;
      name: string;
      enabled: boolean;
    };
    expect(created.id).toBeTypeOf("number");
    expect(created.enabled).toBe(true);

    await updateConfig(app.db, cf, created.id, {
      ips: ["1.2.3.4"],
      service_group_id: group.id,
      domains: [
        {
          fqdn: "panel.example.com",
          target_ips: ["1.2.3.4"],
          target_ip_weights: { "1.2.3.4": 1 },
          target_ip_priorities: { "1.2.3.4": 1 },
          lb_mode: "round_robin",
          health_check_enabled: true,
          health_check_type: "tcp",
          health_check_port: 443,
          health_check_path: null,
          health_check_expected_status: null,
          health_check_interval_sec: 30,
          health_check_timeout_ms: 3000,
          health_check_verify_tls: false,
        },
      ],
    });

    const body = await listGroupViews(app.db);
    const parsed = serviceGroupsResponseSchema.safeParse(body);
    expect(parsed.success, JSON.stringify(parsed.error?.issues)).toBe(true);

    const listRes = await app.inject({
      method: "GET",
      url: "/api/v1/service-groups",
      headers,
    });
    expect(listRes.statusCode).toBe(200);
    const httpParsed = serviceGroupsResponseSchema.safeParse(listRes.json());
    expect(httpParsed.success, JSON.stringify(httpParsed.error?.issues)).toBe(
      true,
    );
    expect(
      httpParsed.data!.groups
        .find((g) => g.id === group.id)
        ?.services.some((s) => s.id === created.id),
    ).toBe(true);

    await app.close();
  });

  it("POST /services returns resolved ServiceView with numeric id", async () => {
    const app = await buildApp({
      config: { ...loadConfig(), staticDir: null },
      memory: true,
    });
    const headers = await authHeaders(app);

    const createRes = await app.inject({
      method: "POST",
      url: "/api/v1/services",
      headers,
      payload: { name: "Bare", slug: "bare" },
    });
    expect(createRes.statusCode).toBe(200);
    const created = createRes.json() as Record<string, unknown>;
    expect(typeof created.id).toBe("number");
    expect(created.name).toBe("Bare");
    expect(created.enabled).toBe(true);
    expect(Array.isArray(created.ips)).toBe(true);
    expect(Array.isArray(created.domains)).toBe(true);

    const listRes = await app.inject({
      method: "GET",
      url: "/api/v1/service-groups",
      headers,
    });
    expect(listRes.statusCode).toBe(200);
    const parsed = serviceGroupsResponseSchema.safeParse(listRes.json());
    expect(parsed.success, JSON.stringify(parsed.error?.issues)).toBe(true);
    expect(parsed.data!.ungrouped.some((s) => s.slug === "bare")).toBe(true);

    await app.close();
  });

  it("PATCH /services/:id/ips/toggle keeps IP in pool and removes it from A-binding", async () => {
    const app = await buildApp({
      config: { ...loadConfig(), staticDir: null },
      memory: true,
    });
    const headers = await authHeaders(app);
    const cf = mockCf();

    repos.createDomain(app.db, null, "example.com", "zone-1");
    const group = repos.createServiceGroup(
      app.db,
      "VPN",
      "vpn",
      null,
      "vpn.example.com",
    );

    const createRes = await app.inject({
      method: "POST",
      url: "/api/v1/services",
      headers,
      payload: {
        name: "Panel",
        slug: "panel-ip-toggle",
        service_group_id: group.id,
      },
    });
    expect(createRes.statusCode).toBe(200);
    const created = createRes.json() as { id: number };

    await updateConfig(app.db, cf, created.id, {
      ips: ["1.2.3.4", "5.6.7.8"],
      service_group_id: group.id,
      domains: [
        {
          fqdn: "panel.example.com",
          target_ips: ["1.2.3.4", "5.6.7.8"],
          target_ip_weights: { "1.2.3.4": 1, "5.6.7.8": 1 },
          target_ip_priorities: { "1.2.3.4": 1, "5.6.7.8": 1 },
          lb_mode: "round_robin",
          health_check_enabled: false,
          health_check_type: "tcp",
          health_check_port: 443,
          health_check_path: null,
          health_check_expected_status: null,
          health_check_interval_sec: 30,
          health_check_timeout_ms: 3000,
          health_check_verify_tls: false,
        },
      ],
    });

    // HTTP toggle uses request.server.cf; disable DNS push so the test
    // does not call the real Cloudflare client.
    repos.setServiceEnabled(app.db, created.id, false);

    const offRes = await app.inject({
      method: "PATCH",
      url: `/api/v1/services/${created.id}/ips/toggle`,
      headers,
      payload: { ip: "1.2.3.4", enabled: false },
    });
    expect(offRes.statusCode, JSON.stringify(offRes.json())).toBe(200);
    const offView = offRes.json() as {
      ips: string[];
      ip_enabled: Record<string, boolean>;
    };
    expect(offView.ips).toEqual(expect.arrayContaining(["1.2.3.4", "5.6.7.8"]));
    expect(offView.ip_enabled["1.2.3.4"]).toBe(false);
    expect(offView.ip_enabled["5.6.7.8"]).toBe(true);

    const binding = repos.listBindingsByService(app.db, created.id)[0]!;
    expect(repos.listBindingIps(app.db, binding.id)).toEqual(["5.6.7.8"]);

    const onRes = await app.inject({
      method: "PATCH",
      url: `/api/v1/services/${created.id}/ips/toggle`,
      headers,
      payload: { ip: "1.2.3.4", enabled: true },
    });
    expect(onRes.statusCode).toBe(200);
    const onView = onRes.json() as { ip_enabled: Record<string, boolean> };
    expect(onView.ip_enabled["1.2.3.4"]).toBe(true);
    expect(repos.listBindingIps(app.db, binding.id)).toEqual(
      expect.arrayContaining(["1.2.3.4", "5.6.7.8"]),
    );

    await app.close();
  });
});