import assert from "node:assert/strict";
import test from "node:test";

import { createApplicationController, ApplicationWindow } from "../main/app/application-controller";
import { AppRuntimeConfig } from "../main/config/runtime-config";
import { NodecgProcessManager } from "../main/nodecg/process-manager";

class MockWindow implements ApplicationWindow {
  private destroyed = false;
  private minimized = false;

  constructor(
    private readonly name: string,
    private readonly events: string[],
  ) {}

  close(): void {
    this.events.push(`${this.name}:close`);
    this.destroyed = true;
  }

  focus(): void {
    this.events.push(`${this.name}:focus`);
  }

  isDestroyed(): boolean {
    return this.destroyed;
  }

  isMinimized(): boolean {
    return this.minimized;
  }

  async loadURL(url: string): Promise<void> {
    this.events.push(`${this.name}:load:${url}`);
  }

  restore(): void {
    this.events.push(`${this.name}:restore`);
    this.minimized = false;
  }

  show(): void {
    this.events.push(`${this.name}:show`);
  }
}

function getBaseConfig(): AppRuntimeConfig {
  return {
    title: "Scoreko",
    userModelId: "com.scoreko.desktop",
    userDataDirectoryName: "scoreko",
    nodecgPort: "9090",
    bundleName: "scoreko-dev",
    mainDashboardRoute: "dashboard/scoreko-dev/main.html?standalone=true",
    loadingDashboardRoute: "dashboard/loading/main.html?standalone=true",
    loadDelayMs: 0,
    startupTimeoutMs: 100,
    nodecgKillTimeoutMs: 10,
    updatesEnabled: true,
    updateAssetPattern: "Scoreko-setup-.*\\.exe$",
    updateCheckDelayMs: 5000,
  };
}

function createMockManager(events: string[]): NodecgProcessManager {
  return {
    startNodecgProcess: async () => {
      events.push("start-nodecg");
    },
    waitForNodecgReady: async () => {
      events.push("wait-nodecg");
    },
    stopNodecgProcessGracefully: async () => {
      events.push("stop-nodecg");
    },
    getState: () => "running",
  };
}

test("ApplicationController preserves startup ordering and schedules updates after main window is shown", async () => {
  const events: string[] = [];
  const paths = {
    rootPath: "/app",
    sourceNodecgRuntimePath: "/app/lib/nodecg",
    userDataPath: "/user-data/scoreko",
    nodecgBaseUrl: "http://127.0.0.1:9090",
    mainDashboardUrl: "http://localhost:9090/bundles/scoreko-dev/dashboard/main.html?standalone=true",
    loadingDashboardUrl: "http://localhost:9090/bundles/scoreko-dev/dashboard/loading/main.html?standalone=true",
  };

  const controller = createApplicationController({
    appConfig: getBaseConfig(),
    appVersion: "0.1.0",
    isPackaged: false,
    isWindows: true,
    paths,
    deps: {
      createLoadingWindow: () => {
        events.push("create-loading");
        return new MockWindow("loading", events);
      },
      createMainWindow: () => {
        events.push("create-main");
        return new MockWindow("main", events);
      },
      createNodecgProcessManager: () => {
        events.push("create-manager");
        return createMockManager(events);
      },
      getAllWindows: () => [],
      log: () => undefined,
      prepareRuntime: () => {
        events.push("prepare-runtime");
        return { runtimePath: "/user-data/scoreko/nodecg", installed: false };
      },
      scheduleUpdateCheck: () => events.push("schedule-update"),
      setAppUserModelId: () => events.push("set-app-user-model-id"),
      exit: (code) => events.push(`exit:${code}`),
      now: () => 0,
      sleep: async (ms) => {
        events.push(`sleep:${ms}`);
      },
    },
  });

  await controller.launch();

  assert.equal(controller.getState(), "ready");
  assert.deepEqual(events, [
    "set-app-user-model-id",
    "prepare-runtime",
    "create-manager",
    "create-main",
    "create-loading",
    "start-nodecg",
    "wait-nodecg",
    `loading:load:${paths.loadingDashboardUrl}`,
    "loading:show",
    `main:load:${paths.mainDashboardUrl}`,
    "main:show",
    "loading:close",
    "schedule-update",
  ]);
});

test("ApplicationController directly launches packaged app after runtime install without relaunching", async () => {
  const events: string[] = [];
  const controller = createApplicationController({
    appConfig: getBaseConfig(),
    appVersion: "0.1.0",
    isPackaged: true,
    isWindows: false,
    paths: {
      rootPath: "/app",
      sourceNodecgRuntimePath: "/app/lib/nodecg",
      userDataPath: "/user-data/scoreko",
      nodecgBaseUrl: "http://127.0.0.1:9090",
      mainDashboardUrl: "http://localhost:9090/main",
      loadingDashboardUrl: "http://localhost:9090/loading",
    },
    deps: {
      createLoadingWindow: () => {
        events.push("create-loading");
        return new MockWindow("loading", events);
      },
      createMainWindow: () => {
        events.push("create-main");
        return new MockWindow("main", events);
      },
      createNodecgProcessManager: () => {
        events.push("create-manager");
        return createMockManager(events);
      },
      getAllWindows: () => [],
      log: (...args) => events.push(String(args[0])),
      prepareRuntime: () => ({ runtimePath: "/user-data/scoreko/nodecg", installed: true }),
      scheduleUpdateCheck: () => events.push("schedule-update"),
      setAppUserModelId: () => events.push("set-app-user-model-id"),
      exit: (code) => events.push(`exit:${code}`),
      now: () => 0,
      sleep: async (ms) => {
        events.push(`sleep:${ms}`);
      },
    },
  });

  await controller.launch();

  assert.equal(controller.getState(), "ready");
  assert.deepEqual(events, [
    "create-manager",
    "create-main",
    "create-loading",
    "start-nodecg",
    "wait-nodecg",
    "loading:load:http://localhost:9090/loading",
    "loading:show",
    "main:load:http://localhost:9090/main",
    "main:show",
    "loading:close",
    "schedule-update",
  ]);
});

test("ApplicationController activation before readiness routes through launch", async () => {
  const events: string[] = [];
  const controller = createApplicationController({
    appConfig: getBaseConfig(),
    appVersion: "0.1.0",
    isPackaged: false,
    isWindows: false,
    paths: {
      rootPath: "/app",
      sourceNodecgRuntimePath: "/app/lib/nodecg",
      userDataPath: "/user-data/scoreko",
      nodecgBaseUrl: "http://127.0.0.1:9090",
      mainDashboardUrl: "http://localhost:9090/main",
      loadingDashboardUrl: "http://localhost:9090/loading",
    },
    deps: {
      createLoadingWindow: () => new MockWindow("loading", events),
      createMainWindow: () => new MockWindow("main", events),
      createNodecgProcessManager: () => createMockManager(events),
      getAllWindows: () => [],
      log: () => undefined,
      prepareRuntime: () => {
        events.push("prepare-runtime");
        return { runtimePath: "/user-data/scoreko/nodecg", installed: false };
      },
      scheduleUpdateCheck: () => events.push("schedule-update"),
      setAppUserModelId: () => events.push("set-app-user-model-id"),
      exit: (code) => events.push(`exit:${code}`),
      now: () => 0,
    },
  });

  await controller.activate();

  assert.equal(controller.getState(), "ready");
  assert.ok(events.includes("prepare-runtime"));
  assert.ok(events.includes("start-nodecg"));
  assert.ok(events.includes("wait-nodecg"));
});

test("ApplicationController shutdown is idempotent", async () => {
  const events: string[] = [];
  const controller = createApplicationController({
    appConfig: getBaseConfig(),
    appVersion: "0.1.0",
    isPackaged: false,
    isWindows: false,
    paths: {
      rootPath: "/app",
      sourceNodecgRuntimePath: "/app/lib/nodecg",
      userDataPath: "/user-data/scoreko",
      nodecgBaseUrl: "http://127.0.0.1:9090",
      mainDashboardUrl: "http://localhost:9090/main",
      loadingDashboardUrl: "http://localhost:9090/loading",
    },
    deps: {
      createLoadingWindow: () => new MockWindow("loading", events),
      createMainWindow: () => new MockWindow("main", events),
      createNodecgProcessManager: () => createMockManager(events),
      getAllWindows: () => [],
      log: () => undefined,
      prepareRuntime: () => ({ runtimePath: "/user-data/scoreko/nodecg", installed: false }),
      scheduleUpdateCheck: () => events.push("schedule-update"),
      setAppUserModelId: () => events.push("set-app-user-model-id"),
      exit: (code) => events.push(`exit:${code}`),
      now: () => 0,
    },
  });

  await controller.launch();
  await Promise.all([controller.stopNodecgGracefully(), controller.stopNodecgGracefully()]);

  assert.equal(controller.getState(), "stopped");
  assert.equal(events.filter((event) => event === "stop-nodecg").length, 1);
});