import { afterEach, describe, expect, it } from "bun:test";

let bridgeServer: ReturnType<typeof Bun.serve> | undefined;

afterEach(() => {
  bridgeServer?.stop(true);
  bridgeServer = undefined;
});

describe("OpenCode internal bridge tools", () => {
  it("uses the documented AGENT_INTERNAL_TOKEN from an external process", async () => {
    let receivedToken: string | null = null;
    let receivedSessionId: string | null = null;
    bridgeServer = Bun.serve({
      hostname: "127.0.0.1",
      port: 0,
      fetch(request) {
        const url = new URL(request.url);
        receivedToken = request.headers.get("x-agent-internal-token");
        receivedSessionId = url.searchParams.get("session_id");
        return Response.json({ task: { task_id: "task-1" } });
      },
    });

    const child = Bun.spawn([
      processExecPath(),
      "-e",
      [
        'import tool from "./.opencode/tools/get_operational_task_context.ts";',
        'const result = await tool.execute({}, { sessionID: "runtime-session-1" });',
        "process.stdout.write(result);",
      ].join("\n"),
    ], {
      cwd: process.cwd(),
      env: {
        ...process.env,
        AGENT_INTERNAL_TOKEN: "external-shared-token",
        TJWATER_AGENT_INTERNAL_BASE_URL: `http://127.0.0.1:${bridgeServer.port}`,
        TJWATER_AGENT_INTERNAL_TOKEN: "",
      },
      stderr: "pipe",
      stdout: "pipe",
    });
    const [exitCode, stdout, stderr] = await Promise.all([
      child.exited,
      new Response(child.stdout).text(),
      new Response(child.stderr).text(),
    ]);

    expect({ exitCode, stderr }).toEqual({ exitCode: 0, stderr: "" });
    expect(JSON.parse(stdout)).toEqual({ task: { task_id: "task-1" } });
    expect(String(receivedToken)).toBe("external-shared-token");
    expect(String(receivedSessionId)).toBe("runtime-session-1");
  });

  it("fails explicitly before making a bridge request when no shared token exists", async () => {
    const child = Bun.spawn([
      processExecPath(),
      "-e",
      [
        'import tool from "./.opencode/tools/get_operational_task_context.ts";',
        'await tool.execute({}, { sessionID: "runtime-session-1" });',
      ].join("\n"),
    ], {
      cwd: process.cwd(),
      env: {
        ...process.env,
        AGENT_INTERNAL_TOKEN: "",
        TJWATER_AGENT_INTERNAL_TOKEN: "",
      },
      stderr: "pipe",
      stdout: "pipe",
    });
    const [exitCode, stderr] = await Promise.all([
      child.exited,
      new Response(child.stderr).text(),
    ]);

    expect(exitCode).not.toBe(0);
    expect(stderr).toContain("internal Agent tool bridge is not configured");
  });

  it("publishes execution plans through the authenticated task artifact bridge", async () => {
    let receivedBody: Record<string, unknown> | undefined;
    bridgeServer = Bun.serve({
      hostname: "127.0.0.1",
      port: 0,
      async fetch(request) {
        receivedBody = await request.json() as Record<string, unknown>;
        return Response.json({ plan_revision: 1, report_revision: null });
      },
    });

    const child = Bun.spawn([
      processExecPath(),
      "-e",
      [
        'import tool from "./.opencode/tools/publish_execution_plan.ts";',
        'const result = await tool.execute({ request_id: "60000000-0000-4000-8000-000000000001", title: "调查", reason: "开始", nodes: [{ id: "read", title: "读取", status: "completed", owner: "agent", detail: "完成", evidence: ["evidence-1"], action_refs: [] }], edges: [] }, { sessionID: "runtime-session-1" });',
        "process.stdout.write(result);",
      ].join("\n"),
    ], {
      cwd: process.cwd(),
      env: {
        ...process.env,
        AGENT_INTERNAL_TOKEN: "external-shared-token",
        TJWATER_AGENT_INTERNAL_BASE_URL: `http://127.0.0.1:${bridgeServer.port}`,
        TJWATER_AGENT_INTERNAL_TOKEN: "",
      },
      stderr: "pipe",
      stdout: "pipe",
    });
    const [exitCode, stdout, stderr] = await Promise.all([
      child.exited,
      new Response(child.stdout).text(),
      new Response(child.stderr).text(),
    ]);

    expect({ exitCode, stderr }).toEqual({ exitCode: 0, stderr: "" });
    expect(JSON.parse(stdout)).toEqual({ plan_revision: 1, report_revision: null });
    expect(receivedBody).toMatchObject({
      session_id: "runtime-session-1",
      request_id: "60000000-0000-4000-8000-000000000001",
      execution_plan: { title: "调查", reason: "开始" },
    });
  });

  it("fails the execution plan tool when the task artifact bridge rejects it", async () => {
    let requestCount = 0;
    bridgeServer = Bun.serve({
      hostname: "127.0.0.1",
      port: 0,
      fetch() {
        requestCount += 1;
        return Response.json({ message: "A running or completed node has incomplete predecessors" }, { status: 409 });
      },
    });

    const child = Bun.spawn([
      processExecPath(),
      "-e",
      [
        'import tool from "./.opencode/tools/publish_execution_plan.ts";',
        'await tool.execute({ request_id: "60000000-0000-4000-8000-000000000001", title: "调查", reason: "开始", nodes: [{ id: "read", title: "读取", status: "completed", owner: "agent", detail: "完成", evidence: ["evidence-1"], action_refs: [] }], edges: [] }, { sessionID: "runtime-session-1" });',
      ].join("\n"),
    ], {
      cwd: process.cwd(),
      env: {
        ...process.env,
        AGENT_INTERNAL_TOKEN: "external-shared-token",
        TJWATER_AGENT_INTERNAL_BASE_URL: `http://127.0.0.1:${bridgeServer.port}`,
        TJWATER_AGENT_INTERNAL_TOKEN: "",
      },
      stderr: "pipe",
      stdout: "pipe",
    });
    const [exitCode, stdout, stderr] = await Promise.all([
      child.exited,
      new Response(child.stdout).text(),
      new Response(child.stderr).text(),
    ]);

    expect(exitCode).not.toBe(0);
    expect(stdout).toBe("");
    expect(stderr).toContain("task plan publish failed (409)");
    expect(requestCount).toBe(1);
  });

  it("rejects an invalid work-order action payload before a bridge request", async () => {
    let requestCount = 0;
    bridgeServer = Bun.serve({
      hostname: "127.0.0.1",
      port: 0,
      fetch() {
        requestCount += 1;
        return Response.json({ action_id: "70000000-0000-4000-8000-000000000001" });
      },
    });

    const child = Bun.spawn([
      processExecPath(),
      "-e",
      [
        'import tool from "./.opencode/tools/propose_task_action.ts";',
        'await tool.execute({ request_id: "60000000-0000-4000-8000-000000000001", kind: "create_work_order", reason: "现场采样", payload: { title: "采样", summary: "错误字段", priority: "high" }, evidence_refs: [] }, { sessionID: "runtime-session-1" });',
      ].join("\n"),
    ], {
      cwd: process.cwd(),
      env: {
        ...process.env,
        AGENT_INTERNAL_TOKEN: "external-shared-token",
        TJWATER_AGENT_INTERNAL_BASE_URL: `http://127.0.0.1:${bridgeServer.port}`,
        TJWATER_AGENT_INTERNAL_TOKEN: "",
      },
      stderr: "pipe",
      stdout: "pipe",
    });
    const [exitCode, stdout] = await Promise.all([
      child.exited,
      new Response(child.stdout).text(),
      new Response(child.stderr).text(),
    ]);

    expect(exitCode).not.toBe(0);
    expect(stdout).toBe("");
    expect(requestCount).toBe(0);
  });

  it("sends a valid work-order proposal using the exact Server payload fields", async () => {
    let receivedBody: Record<string, unknown> | undefined;
    bridgeServer = Bun.serve({
      hostname: "127.0.0.1",
      port: 0,
      async fetch(request) {
        receivedBody = await request.json() as Record<string, unknown>;
        return Response.json({
          action_id: "70000000-0000-4000-8000-000000000001",
          approval_status: "pending",
          execution_status: "not_submitted",
        });
      },
    });

    const child = Bun.spawn([
      processExecPath(),
      "-e",
      [
        'import tool from "./.opencode/tools/propose_task_action.ts";',
        'const result = await tool.execute({ request_id: "60000000-0000-4000-8000-000000000001", kind: "create_work_order", reason: "现场采样", payload: { title: "采样", description: "采集二次供水水样", work_order_type: "water_quality_sampling", priority: "urgent", location: "联调演示小区" }, evidence_refs: ["evidence-1"], node_id: "field_sampling" }, { sessionID: "runtime-session-1" });',
        "process.stdout.write(result);",
      ].join("\n"),
    ], {
      cwd: process.cwd(),
      env: {
        ...process.env,
        AGENT_INTERNAL_TOKEN: "external-shared-token",
        TJWATER_AGENT_INTERNAL_BASE_URL: `http://127.0.0.1:${bridgeServer.port}`,
        TJWATER_AGENT_INTERNAL_TOKEN: "",
      },
      stderr: "pipe",
      stdout: "pipe",
    });
    const [exitCode, stdout, stderr] = await Promise.all([
      child.exited,
      new Response(child.stdout).text(),
      new Response(child.stderr).text(),
    ]);

    expect({ exitCode, stderr }).toEqual({ exitCode: 0, stderr: "" });
    expect(JSON.parse(stdout)).toMatchObject({ approval_status: "pending" });
    expect(receivedBody).toMatchObject({
      session_id: "runtime-session-1",
      action: {
        kind: "create_work_order",
        payload: {
          title: "采样",
          description: "采集二次供水水样",
          work_order_type: "water_quality_sampling",
          priority: "urgent",
        },
      },
    });
  });
});

const processExecPath = () => process.execPath;