import fs from "node:fs";
import path from "node:path";

import { DEV_ENDPOINT } from "../protocol/index.mjs";

export { DEV_ENDPOINT };

export const DEFAULT_GATE_REPORT_SOURCE = "source:v02-live-api-summary";
export const V02_CLI_LIVE_CHECKS = Object.freeze([
  "node scripts/run-bun.mjs tools/hwlab-cli/bin/hwlab-cli.ts client auth session --base-url http://74.48.78.17:19666 --no-session",
  "node scripts/run-bun.mjs tools/hwlab-cli/bin/hwlab-cli.ts client auth login --base-url http://74.48.78.17:19666 --username admin --password-env HWLAB_PASSWORD",
  "node scripts/run-bun.mjs tools/hwlab-cli/bin/hwlab-cli.ts client device-pods list --base-url http://74.48.78.17:19666",
  "node scripts/run-bun.mjs tools/hwlab-cli/bin/hwlab-cli.ts client device-pods status device-pod-71-freq --base-url http://74.48.78.17:19666",
  "node scripts/run-bun.mjs tools/hwlab-cli/bin/hwlab-cli.ts client workbench summary --base-url http://74.48.78.17:19666 --pod-id device-pod-71-freq"
]);

export const M3_WORKBENCH_TOPOLOGY = Object.freeze({
  projectId: "retired_legacy_mvp_fixture",
  projectStatus: "retired",
  gateways: Object.freeze([]),
  boxResources: Object.freeze([]),
  patchPanel: null
});

function readJsonFile(repoRoot, relativePath) {
  const absolutePath = path.resolve(repoRoot, relativePath);
  return JSON.parse(fs.readFileSync(absolutePath, "utf8"));
}

function defaultMvpGateReport() {
  return {
    reportVersion: "v2",
    issue: "pikasTech/HWLAB#7",
    taskId: "v02-live-api-summary",
    acceptanceLevel: "v02_live_api_observation",
    devOnly: true,
    prodDisabled: true,
    gateStatus: "retired",
    sourceContract: {
      status: "pass",
      documents: [
        "docs/reference/spec-v02-hwlab-cli.md",
        "docs/reference/spec-v02-services.md",
        "docs/reference/spec-device-pod.md",
        "docs/reference/g14-gitops-cicd.md"
      ],
      summary: "Legacy M5 fixture gate is retired. v0.2 validation uses short-connection hwlab-cli client commands against the same Cloud Web APIs used by the browser."
    },
    validationCommands: V02_CLI_LIVE_CHECKS,
    localSmoke: {
      status: "pass",
      commands: ["node scripts/run-bun.mjs test tools/hwlab-cli/client.test.ts"],
      evidence: [
        "hwlab-cli stores only cookie session metadata.",
        "device-pods and workbench commands use Cloud Web API paths, not fixtures."
      ],
      summary: "Short-connection CLI unit coverage replaces the old fixture dry-run gate."
    },
    liveChecks: {
      status: "manual",
      commands: V02_CLI_LIVE_CHECKS,
      evidence: [
        "Unauthenticated requests must return explicit auth state or HTTP auth errors with JSON output.",
        "Authenticated requests must exercise /auth, /v1/device-pods, /v1/live-builds, and health endpoints through 19666."
      ],
      summary: "Live non-visual workbench checks are performed through hwlab-cli client, not a service, image, Job, or CI gate."
    },
    blockers: [
      {
        type: "runtime_observation",
        scope: "v02-live-api",
        status: "manual",
        summary: "Run the current short-connection CLI against Cloud Web when live evidence is needed."
      }
    ],
    milestones: [
      {
        id: "v0.2-cli",
        status: "active",
        commands: V02_CLI_LIVE_CHECKS,
        evidence: ["WEB-equivalent non-visual APIs are tested through hwlab-cli client."],
        summary: "The current validation path is short-connection live API probing."
      },
      {
        id: "legacy-m5-fixture",
        status: "retired",
        commands: [],
        evidence: ["Old hwlab-cli artifact/test fixture is removed from active checks."],
        summary: "Do not restore the former M5 fixture gate or hwlab-cli image/job path."
      }
    ]
  };
}

function clone(value) {
  return JSON.parse(JSON.stringify(value));
}

function summarizeMilestone(milestone) {
  return {
    id: milestone.id,
    status: milestone.status,
    commandCount: milestone.commands?.length ?? 0,
    evidenceCount: milestone.evidence?.length ?? 0,
    summary: milestone.summary
  };
}

function summarizeBlocker(blocker) {
  return {
    type: blocker.type,
    scope: blocker.scope,
    status: blocker.status,
    summary: blocker.summary
  };
}

export function buildMvpGateSummary({ report = defaultMvpGateReport() } = {}) {
  const blockers = Array.isArray(report.blockers) ? report.blockers.map(summarizeBlocker) : [];
  const milestones = Array.isArray(report.milestones) ? report.milestones.map(summarizeMilestone) : [];
  return {
    generatedFrom: {
      gateReport: DEFAULT_GATE_REPORT_SOURCE,
      m5Plan: "retired"
    },
    issue: report.issue ?? "pikasTech/HWLAB#7",
    supports: ["pikasTech/HWLAB#7"],
    gateStatus: report.gateStatus ?? "retired",
    activeGate: false,
    legacyFixtureGateRetired: true,
    acceptanceLevel: report.acceptanceLevel ?? "v02_live_api_observation",
    reportCommitId: report.commitId ?? "source-summary",
    dryRunOnly: false,
    devOnly: report.devOnly === true,
    prodDisabled: report.prodDisabled === true,
    environment: "v02",
    endpoint: "http://74.48.78.17:19666",
    namespace: "hwlab-v02",
    sourceSummary: report.sourceContract?.summary ?? "Legacy fixture gate retired.",
    localSmoke: report.localSmoke ?? null,
    liveChecks: report.liveChecks ?? null,
    blockers,
    milestones,
    topology: clone(M3_WORKBENCH_TOPOLOGY),
    serviceModel: {
      "hwlab-cli": {
        runtimeService: false,
        image: false,
        kubernetesJob: false,
        gitopsDesiredState: false,
        invocation: "short-connection client from G14:/root/hwlab-v02"
      }
    },
    validationCommands: report.validationCommands ?? V02_CLI_LIVE_CHECKS,
    realDevGate: {
      sourcePlanCommand: "retired",
      command: "use hwlab-cli client live commands from docs/reference/spec-v02-hwlab-cli.md",
      requiresAllBlockersClear: false,
      requiresDryRunPass: false,
      requiresArtifactObservability: false,
      requiresD601RouteObservation: false,
      requiresHumanApprovalForRealDev: false
    },
    safety: {
      mode: "short-connection-live-api",
      allowNetwork: true,
      allowDeploy: false,
      allowBrowserE2E: false,
      allowSecrets: false,
      prohibitedActions: ["create hwlab-cli image", "create hwlab-cli service", "create hwlab-cli job", "restore legacy M5 fixture gate"]
    }
  };
}

export function loadMvpGateSummary(repoRoot, options = {}) {
  const reportPath = options.reportPath ?? null;
  const report = reportPath ? readJsonFile(repoRoot, reportPath) : defaultMvpGateReport();
  const summary = buildMvpGateSummary({ report });
  summary.generatedFrom = {
    gateReport: reportPath ?? DEFAULT_GATE_REPORT_SOURCE,
    m5Plan: "retired"
  };
  return summary;
}