import type { Page } from "@playwright/test";
import type { OperationalTask } from "../../../src/features/workbench/api/operational-task-client";
import { mockAgentApi } from "./mock-agent-api";
import { mockWorkbenchContext } from "./mock-workbench-context";

const projectId = "324ff7ee-c2d4-5184-a84b-48fb14a2933e";
const now = "2026-10-27T08:00:00Z";

export function investigationFixture(index: number, title: string): OperationalTask {
  const taskId = `92000000-0000-4000-8000-${String(index).padStart(12, "0")}`;
  const runId = `93000000-0000-4000-8000-${String(index).padStart(12, "0")}`;
  const requestId = `94000000-0000-4000-8000-${String(index).padStart(12, "0")}`;
  return {
    project_id: projectId, task_id: taskId, task_type: "event_investigation", workflow: "burst_report",
    lifecycle_status: "open", status: "running", priority: "normal", revision: 1, execution_generation: 1,
    execution_request_id: requestId, title, summary: "仅供浏览器测试的合成调查",
    source: { kind: "operator", external_id: null, external_revision: null, event_kind: "burst_report" },
    trigger: { kind: "manual", occurred_at: now, detail: "synthetic" }, scheduled_for: null,
    agent_session_id: "investigation-dev-test", agent_lease_expires_at: now, current_plan_revision: null,
    current_report_revision: null, created_at: now, updated_at: now,
    active_run: { run_id: runId, task_id: taskId, generation: 1, execution_request_id: requestId,
      status: "running", revision: 1, agent_session_id: "investigation-dev-test", lease_expires_at: now,
      heartbeat_at: now, started_at: now, finished_at: null, failure_code: null, failure_detail: null,
      dispatch_attempts: 1, next_dispatch_at: now, created_at: now, updated_at: now },
    latest_plan: null, latest_report: null,
    latest_progress: { revision: 1, run_id: runId, execution_generation: 1, published_at: now,
      source_session_id: "investigation-dev-test", progress: { summary: "正在核对候选管段", diagram: {
        title: "合成调查", mermaid: 'flowchart TD\nA["核查监测"]', node_refs: [{ node_id: "A", label: "核查监测",
          status: "running", evidence_refs: [], action_refs: [], map_targets: [{ source_id: "scada", feature_id: "P1" }] }]
      } } },
    evidence: [], actions: [], access_requests: [], work_order_snapshot: null,
    permissions: { can_publish_artifacts: false, can_propose_actions: false, can_sync_external_feedback: false,
      can_decide_work_orders: false, can_execute_work_orders: false, can_decide_commands: false,
      can_execute_commands: false, can_decide_access: false }
  };
}

export async function mockInvestigationPresentation(page: Page, tasks: OperationalTask[]) {
  await mockWorkbenchContext(page);
  await mockAgentApi(page);
  const mutations: string[] = [];
  page.on("request", (request) => {
    if (request.url().startsWith("https://tjwater-api.invalid/") && ["POST", "PATCH", "DELETE", "PUT"].includes(request.method()))
      mutations.push(`${request.method()} ${new URL(request.url()).pathname}`);
  });
  await page.route("**/runtime-config.js", (route) => route.fulfill({ contentType: "application/javascript",
    body: `globalThis.__TJWATER_CONFIG__=${JSON.stringify({
      TJWATER_AUTH_MODE: "disabled", TJWATER_SERVER_API_BASE_URL: "https://tjwater-api.invalid",
      TJWATER_AGENT_URL: "http://127.0.0.1:8787", TJWATER_ENABLE_DEV_PANEL: "true",
      TJWATER_MAP_URL: "https://workbench-map.invalid/geoserver", TJWATER_GEOSERVER_WORKSPACE: "tjwater_next",
      TJWATER_MAPBOX_ACCESS_TOKEN: "", TJWATER_TIANDITU_TOKEN: "", TJWATER_ENABLE_MSW: "false"
    })};`
  }));
  await page.route("https://tjwater-api.invalid/api/v1/scada-devices**", (route) => route.fulfill({ json: {
    items: [{ device_id: "P1", device_type: "pressure", node_id: null, link_id: null, api_query_id: null,
      measurement_unit: "m", transmission_mode: "test", transmission_frequency: "15min", reliability: 1,
      x: null, y: null, longitude: 121.48, latitude: 31.10 }], total: 1, limit: 1000, offset: 0
  } }));
  await page.route("https://tjwater-api.invalid/api/v1/workbench/sync-snapshot", (route) => {
    return route.fulfill({ json: { schema: "workbench-sync-snapshot@1", event_cursor: 10, generated_at: now,
      runtime: { availability: "not_configured", source: "none", scenario_availability: "not_configured",
        artifact_availability: "not_configured", schedule_availability: "not_configured", work_order_availability: "not_configured",
        alert_availability: "not_configured", generated_at: now, conditions: [], alerts: [], scenarios: [], latest_analysis: null, work_orders: [] },
      tasks: tasks.map((task) => Object.fromEntries(Object.entries(task).filter(([key]) =>
        !["latest_plan", "latest_report", "latest_progress", "evidence", "actions", "access_requests", "work_order_snapshot", "permissions"].includes(key)))),
      notifications: [] } });
  });
  await page.route("https://tjwater-api.invalid/api/v1/operational-tasks/**", (route) => {
    const task = tasks.find((item) => route.request().url().includes(item.task_id));
    if (!task) return route.fulfill({ status: 404 });
    if (route.request().url().endsWith("/presentation-cursor")) return route.fulfill({ json: {
      task_id: task.task_id, execution_generation: task.execution_generation, active_run: {
        run_id: task.active_run!.run_id, generation: task.execution_generation, status: "running"
      }, event_cursor: 10
    } });
    if (route.request().url().includes("/reports")) return route.fulfill({ json: { items: [], next_offset: null } });
    return route.fulfill({ json: task });
  });
  await page.addInitScript(() => {
    const fetch = window.fetch.bind(window);
    const streams = new Set<ReadableStreamDefaultController<Uint8Array>>();
    Object.assign(window, { emitInvestigationTestEvent: (event: unknown) => {
      const data = new TextEncoder().encode(`event: workbench_event\ndata: ${JSON.stringify(event)}\n\n`);
      for (const stream of streams) stream.enqueue(data);
    } });
    window.fetch = async (input, init) => {
      const url = typeof input === "string" ? input : input instanceof URL ? input.href : input.url;
      if (!url.includes("/api/v1/workbench/events")) return fetch(input, init);
      let current: ReadableStreamDefaultController<Uint8Array>;
      const body = new ReadableStream<Uint8Array>({ start(controller) { current = controller; streams.add(controller); }, cancel() { streams.delete(current); } });
      init?.signal?.addEventListener("abort", () => { if (streams.delete(current)) current.close(); }, { once: true });
      return new Response(body, { headers: { "Content-Type": "text/event-stream" } });
    };
  });
  let sequence = 10;
  return {
    mutations,
    emit: async (task: OperationalTask, command: unknown) => page.evaluate((event) => {
      (window as unknown as { emitInvestigationTestEvent: (event: unknown) => void }).emitInvestigationTestEvent(event);
    }, { schema: "workbench-event@1", event_seq: ++sequence,
      event_id: `95000000-0000-4000-8000-${String(sequence).padStart(12, "0")}`, project_id: projectId,
      topic: "operational.presentation.requested", aggregate_type: "operational_task", aggregate_id: task.task_id,
      aggregate_revision: 1, occurred_at: now, metadata: {
        task_id: task.task_id, run_id: task.active_run!.run_id, execution_generation: task.execution_generation, command
      } })
  };
}

export async function selectInvestigation(page: Page, title: string) {
  await page.goto("/", { waitUntil: "domcontentloaded" });
  await page.getByRole("button", { name: "工况任务", exact: true }).click();
  const panel = page.getByRole("region", { name: "工况任务", exact: true });
  const expand = panel.getByRole("button", { name: "展开工况任务" });
  if (await expand.isVisible()) await expand.click();
  await panel.getByRole("button", { name: /调查任务/ }).click();
  await panel.getByText(title, { exact: true }).first().click();
}