import {
  AcInfinityApiClient,
  AcInfinityApiError,
  type FetchLike,
  type HttpResponseLike
} from "../src/http/AcInfinityApiClient";

interface CapturedCall {
  input: string;
  init: {
    method: string;
    headers: Record<string, string>;
    body: URLSearchParams;
    signal: AbortSignal;
    dispatcher?: unknown;
  };
}

function makeResponse(body: unknown, status = 200): HttpResponseLike {
  return {
    status,
    async json(): Promise<unknown> {
      return body;
    }
  };
}

describe("AcInfinityApiClient", () => {
  it("logs in, fetches controllers and mode settings, and maps values", async () => {
    const calls: CapturedCall[] = [];
    const responses: HttpResponseLike[] = [
      makeResponse({ code: 200, msg: "success", data: { appId: "token-1" } }),
      makeResponse({
        code: 200,
        msg: "success",
        data: [
          {
            devId: "controller-a",
            devName: "Main Tent",
            online: 1,
            devType: 20,
            newFrameworkDevice: true,
            temperature: 2434,
            humidity: 5510,
            vpdnums: 123,
            deviceInfo: {
              ports: [
                {
                  port: 1,
                  portName: "Inline Fan",
                  online: 1,
                  loadState: 1,
                  speak: 6,
                  curMode: 2,
                  portResistance: 1200
                }
              ]
            }
          }
        ]
      }),
      makeResponse({ code: 200, msg: "success", data: { atType: 2, onSpead: 7, offSpead: 1 } })
    ];

    const fetchMock: FetchLike = async (input, init) => {
      calls.push({ input, init });
      const response = responses.shift();
      if (!response) {
        throw new Error("no response queued");
      }
      return response;
    };

    const client = new AcInfinityApiClient(
      "http://example.test",
      "grower@example.com",
      "abcdefghijklmnopqrstuvwxyz123",
      1000,
      fetchMock
    );

    const snapshot = await client.fetchSnapshot();
    await client.close();

    expect(calls).toHaveLength(3);
    expect(calls[0]?.input).toContain("/api/user/appUserLogin");
    expect(calls[1]?.input).toContain("/api/user/devInfoListAll");
    expect(calls[2]?.input).toContain("/api/dev/getdevModeSettingList");

    const loginBody = calls[0]?.init.body.toString() ?? "";
    expect(loginBody).toContain("appPasswordl=abcdefghijklmnopqrstuvwxy");

    expect(snapshot.controllers).toHaveLength(1);
    const controller = snapshot.controllers[0];
    expect(controller?.name).toBe("Main Tent");
    expect(controller?.temperatureCelsius).toBe(24.34);
    expect(controller?.relativeHumidityRatio).toBe(0.551);
    expect(controller?.vpdKpa).toBe(1.23);
    expect(controller?.deviceType).toBe(20);
    expect(controller?.newFrameworkDevice).toBe(true);

    expect(controller?.ports).toHaveLength(1);
    const port = controller?.ports[0];
    expect(port?.currentSpeedLevel).toBe(6);
    expect(port?.onSpeedLevel).toBe(7);
    expect(port?.offSpeedLevel).toBe(1);
    expect(port?.mode).toBe("on");
    expect(port?.fanGroup).toBe("unknown");
    expect(port?.connectedDevice).toBe(true);
    expect(port?.resistanceOhms).toBe(1200);
  });

  it("uses deviceInfo climate values when top-level values are null", async () => {
    const responses: HttpResponseLike[] = [
      makeResponse({ code: 200, msg: "success", data: { appId: "token-1" } }),
      makeResponse({
        code: 200,
        msg: "success",
        data: [
          {
            devId: "controller-a",
            devName: "Main Tent",
            online: 1,
            temperature: null,
            humidity: null,
            vpdnums: null,
            deviceInfo: {
              temperature: 2406,
              humidity: 4106,
              vpdnums: 176,
              ports: []
            }
          }
        ]
      })
    ];

    const fetchMock: FetchLike = async () => {
      const response = responses.shift();
      if (!response) {
        throw new Error("no response queued");
      }
      return response;
    };

    const client = new AcInfinityApiClient(
      "http://example.test",
      "grower@example.com",
      "secret",
      1000,
      fetchMock
    );

    const snapshot = await client.fetchSnapshot();
    await client.close();

    const controller = snapshot.controllers[0];
    expect(controller?.temperatureCelsius).toBe(24.06);
    expect(controller?.relativeHumidityRatio).toBe(0.4106);
    expect(controller?.vpdKpa).toBe(1.76);
  });

  it("classifies fan groups and skips empty/disconnected ports", async () => {
    const responses: HttpResponseLike[] = [
      makeResponse({ code: 200, msg: "success", data: { appId: "token-1" } }),
      makeResponse({
        code: 200,
        msg: "success",
        data: [
          {
            devId: "controller-b",
            devName: "Tent B",
            online: 1,
            temperature: 2300,
            humidity: 5000,
            vpdnums: 140,
            deviceInfo: {
              ports: [
                { port: 0, portName: "ignored" },
                {
                  port: 1,
                  portName: "Outlet - Exhaust",
                  online: 1,
                  loadState: 1,
                  speak: 5,
                  curMode: 1,
                  portResistance: 1500
                },
                {
                  port: 2,
                  portName: "Inside Inlet",
                  online: 1,
                  loadState: 1,
                  speak: 6,
                  curMode: 0,
                  portResistance: 1600
                },
                {
                  port: 3,
                  portName: "Outside Inlet",
                  online: 1,
                  loadState: 1,
                  speak: 4,
                  curMode: 0,
                  portResistance: 1700
                },
                {
                  port: 4,
                  portName: "Fans",
                  online: 1,
                  loadState: 1,
                  speak: 3,
                  curMode: 0
                },
                {
                  port: 5,
                  portName: "Disconnected",
                  online: 0,
                  loadState: 0,
                  speak: 0,
                  curMode: 0,
                  portResistance: 70000
                }
              ]
            }
          }
        ]
      }),
      makeResponse({ code: 200, msg: "success", data: { atType: 2, onSpead: 5, offSpead: 1 } }),
      makeResponse({ code: 200, msg: "success", data: { atType: 7, onSpead: 6, offSpead: 2 } }),
      makeResponse({ code: 200, msg: "success", data: { atType: 8, onSpead: 4, offSpead: 2 } }),
      makeResponse({ code: 200, msg: "success", data: { atType: 3, onSpead: 3, offSpead: 1 } })
    ];

    const fetchMock: FetchLike = async () => {
      const response = responses.shift();
      if (!response) {
        throw new Error("no response queued");
      }
      return response;
    };

    const client = new AcInfinityApiClient(
      "http://example.test",
      "grower@example.com",
      "secret",
      1000,
      fetchMock
    );

    const snapshot = await client.fetchSnapshot();
    await client.close();

    const controller = snapshot.controllers[0];
    expect(controller?.ports).toHaveLength(4);
    const fanGroups = controller?.ports.map((port) => port.fanGroup);
    expect(fanGroups).toEqual(["outlet", "inside_inlet", "outside_inlet", "interior"]);

    expect(controller?.ports[0]?.mode).toBe("off");
    expect(controller?.ports[1]?.mode).toBe("schedule");
    expect(controller?.ports[2]?.mode).toBe("vpd");
    expect(controller?.ports[3]?.mode).toBe("auto");
  });

  it("refreshes token and retries once on auth error", async () => {
    const calls: CapturedCall[] = [];
    const responses: HttpResponseLike[] = [
      makeResponse({ code: 200, msg: "success", data: { appId: "token-1" } }),
      makeResponse({ code: 10001, msg: "invalid auth", data: null }),
      makeResponse({ code: 200, msg: "success", data: { appId: "token-2" } }),
      makeResponse({ code: 200, msg: "success", data: [] })
    ];

    const fetchMock: FetchLike = async (input, init) => {
      calls.push({ input, init });
      const response = responses.shift();
      if (!response) {
        throw new Error("no response queued");
      }
      return response;
    };

    const client = new AcInfinityApiClient(
      "http://example.test",
      "grower@example.com",
      "secret",
      1000,
      fetchMock
    );

    const snapshot = await client.fetchSnapshot();
    await client.close();

    expect(snapshot.controllers).toHaveLength(0);
    expect(calls).toHaveLength(4);
    expect(calls[0]?.input).toContain("/api/user/appUserLogin");
    expect(calls[1]?.input).toContain("/api/user/devInfoListAll");
    expect(calls[2]?.input).toContain("/api/user/appUserLogin");
    expect(calls[3]?.input).toContain("/api/user/devInfoListAll");
  });

  it("throws typed API error on non-200 HTTP response", async () => {
    const fetchMock: FetchLike = async () => {
      return makeResponse({ code: 500, msg: "error", data: null }, 500);
    };

    const client = new AcInfinityApiClient(
      "http://example.test",
      "grower@example.com",
      "secret",
      1000,
      fetchMock
    );

    await expect(client.fetchSnapshot()).rejects.toBeInstanceOf(AcInfinityApiError);
    await client.close();
  });
});