import { readFileSync } from "node:fs";
import { rootPath } from "./src/config";
import { runArtifactRegistryCommand } from "./src/artifact-registry";

type JsonRecord = Record<string, unknown>;

interface ServiceCase {
  serviceId: string;
  sourceRepo: string;
  dockerfile: string;
  registryRepository: string;
  composeService: string;
  containerName: string;
  targetImage: string;
  deployEnvPrefix: string;
}

function asRecord(value: unknown, label: string): JsonRecord {
  if (typeof value !== "object" || value === null || Array.isArray(value)) {
    throw new Error(`${label} must be an object: ${JSON.stringify(value)}`);
  }
  return value as JsonRecord;
}

function asArray(value: unknown, label: string): unknown[] {
  if (!Array.isArray(value)) throw new Error(`${label} must be an array: ${JSON.stringify(value)}`);
  return value;
}

function assertCondition(condition: unknown, message: string, detail: unknown = {}): void {
  if (!condition) throw new Error(`${message}: ${JSON.stringify(detail)}`);
}

const commit = "0123456789abcdef0123456789abcdef01234567";

const serviceCases: ServiceCase[] = [
  {
    serviceId: "project-manager",
    sourceRepo: "https://github.com/pikasTech/unidesk",
    dockerfile: "src/components/microservices/project-manager/Dockerfile",
    registryRepository: "unidesk/project-manager",
    composeService: "project-manager",
    containerName: "project-manager-backend",
    targetImage: "project-manager",
    deployEnvPrefix: "UNIDESK_PROJECT_MANAGER_DEPLOY",
  },
  {
    serviceId: "oa-event-flow",
    sourceRepo: "https://github.com/pikasTech/unidesk",
    dockerfile: "src/components/microservices/oa-event-flow/Dockerfile",
    registryRepository: "unidesk/oa-event-flow",
    composeService: "oa-event-flow",
    containerName: "oa-event-flow-backend",
    targetImage: "oa-event-flow",
    deployEnvPrefix: "UNIDESK_OA_EVENT_FLOW_DEPLOY",
  },
  {
    serviceId: "todo-note",
    sourceRepo: "https://gitee.com/Lyon1998/todo_note",
    dockerfile: "Dockerfile",
    registryRepository: "unidesk/todo-note",
    composeService: "todo-note",
    containerName: "todo-note-backend",
    targetImage: "todo-note",
    deployEnvPrefix: "UNIDESK_TODO_NOTE_DEPLOY",
  },
  {
    serviceId: "baidu-netdisk",
    sourceRepo: "https://github.com/pikasTech/unidesk",
    dockerfile: "src/components/microservices/baidu-netdisk/Dockerfile",
    registryRepository: "unidesk/baidu-netdisk",
    composeService: "baidu-netdisk",
    containerName: "baidu-netdisk-backend",
    targetImage: "baidu-netdisk",
    deployEnvPrefix: "UNIDESK_BAIDU_NETDISK_DEPLOY",
  },
  {
    serviceId: "frontend",
    sourceRepo: "https://github.com/pikasTech/unidesk",
    dockerfile: "src/components/frontend/Dockerfile",
    registryRepository: "unidesk/frontend",
    composeService: "frontend",
    containerName: "unidesk-frontend",
    targetImage: "unidesk-frontend",
    deployEnvPrefix: "UNIDESK_FRONTEND_DEPLOY",
  },
];

const ciCatalog = asRecord(JSON.parse(readFileSync(rootPath("CI.json"), "utf8")) as unknown, "CI.json");
const artifacts = asArray(ciCatalog.artifacts, "CI.json.artifacts").map((item, index) => asRecord(item, `CI.json.artifacts[${index}]`));
const artifactByService = new Map(artifacts.map((item) => [String(item.serviceId), item]));

for (const item of serviceCases) {
  const artifact = asRecord(artifactByService.get(item.serviceId), `CI.json artifact ${item.serviceId}`);
  const source = asRecord(artifact.source, `CI.json artifact ${item.serviceId}.source`);
  const image = asRecord(artifact.image, `CI.json artifact ${item.serviceId}.image`);
  assertCondition(artifact.kind === "source-build", `${item.serviceId} producer must be source-build`, artifact);
  assertCondition(artifact.status === "supported", `${item.serviceId} producer must be supported`, artifact);
  assertCondition(artifact.producer === "ci publish-user-service", `${item.serviceId} producer command must be publish-user-service`, artifact);
  assertCondition(source.repo === item.sourceRepo, `${item.serviceId} producer source repo mismatch`, source);
  assertCondition(source.dockerfile === item.dockerfile, `${item.serviceId} producer dockerfile mismatch`, source);
  assertCondition(image.repository === item.registryRepository, `${item.serviceId} registry repository mismatch`, image);
}

const plans: JsonRecord[] = [];

for (const item of serviceCases) {
  const plan = asRecord(await runArtifactRegistryCommand([
    "deploy-service",
    "--env",
    "prod",
    "--service",
    item.serviceId,
    "--commit",
    commit,
    "--dry-run",
  ]), `${item.serviceId} dry-run plan`);
  const target = asRecord(plan.target, `${item.serviceId} dry-run target`);
  const labels = asRecord(plan.requiredLabels, `${item.serviceId} dry-run labels`);
  const registryProbe = asRecord(plan.registryProbe, `${item.serviceId} dry-run registry probe`);
  const validation = asArray(plan.validation, `${item.serviceId} dry-run validation`).map(String);

  assertCondition(plan.ok === true, `${item.serviceId} dry-run must be ok`, plan);
  assertCondition(plan.dryRun === true && plan.mutation === false, `${item.serviceId} dry-run must be non-mutating`, plan);
  assertCondition(plan.environment === "prod", `${item.serviceId} dry-run must target prod`, plan);
  assertCondition(plan.serviceId === item.serviceId, `${item.serviceId} dry-run service id mismatch`, plan);
  assertCondition(plan.sourceImage === `127.0.0.1:5000/${item.registryRepository}:${commit}`, `${item.serviceId} source image mismatch`, plan);
  assertCondition(labels["unidesk.ai/service-id"] === item.serviceId, `${item.serviceId} required service label missing`, labels);
  assertCondition(labels["unidesk.ai/source-commit"] === commit, `${item.serviceId} required commit label missing`, labels);
  assertCondition(labels["unidesk.ai/dockerfile"] === item.dockerfile, `${item.serviceId} required dockerfile label missing`, labels);
  assertCondition(registryProbe.method === "HEAD", `${item.serviceId} dry-run must only plan registry HEAD probe`, registryProbe);

  assertCondition(target.kind === "compose", `${item.serviceId} target kind must be main-server Compose`, target);
  assertCondition(target.runtimeHost === "main-server", `${item.serviceId} runtime host must be main-server`, target);
  assertCondition(target.composeService === item.composeService, `${item.serviceId} compose service mismatch`, target);
  assertCondition(target.containerName === item.containerName, `${item.serviceId} container mismatch`, target);
  assertCondition(target.targetImage === item.targetImage, `${item.serviceId} stable target image mismatch`, target);
  assertCondition(target.runtimeImage === `${item.targetImage}:${commit}`, `${item.serviceId} runtime image mismatch`, target);
  assertCondition(target.deployEnvPrefix === item.deployEnvPrefix, `${item.serviceId} deploy env prefix mismatch`, target);
  assertCondition(
    target.deployCommandShape === `docker compose up -d --no-build --no-deps --force-recreate ${item.composeService}`,
    `${item.serviceId} dry-run must narrow Compose recreate command`,
    target,
  );

  assertCondition(validation.some((line) => line.includes("registry /v2 manifest")), `${item.serviceId} must plan registry manifest validation`, validation);
  assertCondition(validation.some((line) => line.includes("image labels match service id, source commit, and Dockerfile")), `${item.serviceId} must plan image label validation`, validation);
  assertCondition(validation.some((line) => line.includes("health probe succeeds") && line.includes("deploy.commit/deploy.requestedCommit")), `${item.serviceId} must plan health commit validation`, validation);
  assertCondition(!JSON.stringify(plan).includes("docker compose build"), `${item.serviceId} dry-run must not include compose build`, plan);
  assertCondition(!JSON.stringify(plan).includes("server rebuild"), `${item.serviceId} dry-run must not include server rebuild`, plan);

  plans.push({
    serviceId: item.serviceId,
    sourceImage: plan.sourceImage,
    composeService: target.composeService,
    containerName: target.containerName,
    deployCommandShape: target.deployCommandShape,
  });
}

process.stdout.write(`${JSON.stringify({
  ok: true,
  checks: [
    "CI.json producer catalog covers the main-server direct artifact services",
    "prod dry-run plans are non-mutating and commit-pinned",
    "dry-run targets only the matching main-server Compose service with --no-build --no-deps --force-recreate",
    "dry-run plans image-label and health deploy commit validation",
  ],
  plans,
}, null, 2)}\n`);