import { createHash, randomBytes } from "node:crypto";
import { chmodSync, existsSync, mkdirSync, readFileSync, writeFileSync } from "node:fs";
import { dirname, join } from "node:path";
import type { UniDeskConfig } from "./config";
import { rootPath } from "./config";
import type { RenderedCliResult } from "./output";
import {
  capture,
  compactCapture,
  createYamlFieldReader,
  parseJsonOutput,
  readYamlRecord,
  shQuote,
  sha256Fingerprint,
} from "./platform-infra-ops-library";

const configFile = rootPath("config", "platform-infra", "pipelines-as-code.yaml");
const configLabel = "config/platform-infra/pipelines-as-code.yaml";
const remoteScriptFile = rootPath("scripts", "src", "platform-infra-pipelines-as-code-remote.sh");
const fieldManager = "unidesk-platform-infra-pipelines-as-code";
const y = createYamlFieldReader(configLabel);

interface PacTarget {
  id: string;
  route: string;
  namespace: string;
  role: string;
  enabled: boolean;
}

interface PacConfig {
  version: number;
  kind: "platform-infra-pipelines-as-code";
  metadata: {
    id: string;
    owner: string;
    spec: string;
    relatedIssues: number[];
  };
  defaults: {
    targetId: string;
  };
  release: {
    version: string;
    manifestUrl: string;
    namespace: string;
    controllerServiceName: string;
    controllerServicePort: number;
    waitTimeoutSeconds: number;
  };
  targets: PacTarget[];
  gitea: {
    configRef: string;
    internalBaseUrl: string;
    admin: {
      sourceRoot: string;
      sourceRef: string;
      format: "line-pair";
      usernameLine: number;
      passwordLine: number;
      apiUsername: string;
    };
    webhook: {
      secretRoot: string;
      secretSourceRef: string;
      events: string[];
      branch: string;
    };
  };
  repository: {
    name: string;
    namespace: string;
    providerType: "gitea";
    url: string;
    cloneUrl: string;
    owner: string;
    repo: string;
    secretName: string;
    tokenKey: string;
    webhookSecretKey: string;
    concurrencyLimit: number;
    params: Record<string, string>;
  };
  consumer: {
    node: string;
    lane: string;
    namespace: string;
    pipeline: string;
    pipelineRunPrefix: string;
    argoNamespace: string;
    argoApplication: string;
  };
}

interface CommonOptions {
  targetId: string | null;
  full: boolean;
  raw: boolean;
}

interface ApplyOptions extends CommonOptions {
  confirm: boolean;
  dryRun: boolean;
  wait: boolean;
}

interface WebhookTestOptions extends CommonOptions {
  confirm: boolean;
}

interface SecretMaterial {
  adminUsername: string;
  adminPassword: string;
  adminFingerprint: string;
  webhookSecret: string;
  webhookFingerprint: string;
  webhookPath: string;
}

export async function runPlatformInfraPipelinesAsCodeCommand(config: UniDeskConfig, args: string[]): Promise<Record<string, unknown> | RenderedCliResult> {
  const [action = "plan"] = args;
  if (action === "help" || action === "--help") return help();
  if (action === "plan") {
    const options = parseCommonOptions(args.slice(1));
    const result = plan(options);
    return options.full || options.raw ? result : renderPlan(result);
  }
  if (action === "apply") {
    const options = parseApplyOptions(args.slice(1));
    const result = await apply(config, options);
    return options.full || options.raw ? result : renderApply(result);
  }
  if (action === "status") {
    const options = parseCommonOptions(args.slice(1));
    const result = await status(config, options);
    return options.full || options.raw ? result : renderStatus(result);
  }
  if (action === "webhook-test") {
    const options = parseWebhookTestOptions(args.slice(1));
    const result = await webhookTest(config, options);
    return options.full || options.raw ? result : renderWebhookTest(result);
  }
  return { ok: false, error: "unsupported-platform-infra-pipelines-as-code-command", args, help: help() };
}

function help(): Record<string, unknown> {
  return {
    command: "platform-infra pipelines-as-code plan|apply|status|webhook-test",
    configTruth: configLabel,
    usage: [
      "bun scripts/cli.ts platform-infra pipelines-as-code plan --target JD01",
      "bun scripts/cli.ts platform-infra pipelines-as-code apply --target JD01 --dry-run",
      "bun scripts/cli.ts platform-infra pipelines-as-code apply --target JD01 --confirm",
      "bun scripts/cli.ts platform-infra pipelines-as-code status --target JD01 [--full|--raw]",
      "bun scripts/cli.ts platform-infra pipelines-as-code webhook-test --target JD01 --confirm",
    ],
    boundary: "Sole CI trigger path for GH-1552: Gitea webhook -> Pipelines-as-Code -> Tekton -> Argo/k8s runtime.",
  };
}

function readPacConfig(): PacConfig {
  const root = readYamlRecord<Record<string, unknown>>(configFile, "platform-infra-pipelines-as-code");
  const release = y.objectField(root, "release", "");
  const gitea = y.objectField(root, "gitea", "");
  const admin = y.objectField(gitea, "admin", "gitea");
  const webhook = y.objectField(gitea, "webhook", "gitea");
  const repository = y.objectField(root, "repository", "");
  const consumer = y.objectField(root, "consumer", "");
  const parsed: PacConfig = {
    version: y.integerField(root, "version", ""),
    kind: "platform-infra-pipelines-as-code",
    metadata: {
      id: y.stringField(y.objectField(root, "metadata", ""), "id", "metadata"),
      owner: y.stringField(y.objectField(root, "metadata", ""), "owner", "metadata"),
      spec: y.stringField(y.objectField(root, "metadata", ""), "spec", "metadata"),
      relatedIssues: y.numberArrayField(y.objectField(root, "metadata", ""), "relatedIssues", "metadata"),
    },
    defaults: {
      targetId: y.stringField(y.objectField(root, "defaults", ""), "targetId", "defaults"),
    },
    release: {
      version: y.stringField(release, "version", "release"),
      manifestUrl: urlField(release, "manifestUrl", "release"),
      namespace: y.kubernetesNameField(release, "namespace", "release"),
      controllerServiceName: y.kubernetesNameField(release, "controllerServiceName", "release"),
      controllerServicePort: y.portField(release, "controllerServicePort", "release"),
      waitTimeoutSeconds: positiveInteger(release, "waitTimeoutSeconds", "release"),
    },
    targets: y.arrayOfRecords(root.targets, "targets").map(parseTarget),
    gitea: {
      configRef: y.stringField(gitea, "configRef", "gitea"),
      internalBaseUrl: urlField(gitea, "internalBaseUrl", "gitea"),
      admin: {
        sourceRoot: y.absolutePathField(admin, "sourceRoot", "gitea.admin"),
        sourceRef: y.sourceRefField(admin, "sourceRef", "gitea.admin"),
        format: y.enumField(admin, "format", "gitea.admin", ["line-pair"] as const),
        usernameLine: positiveInteger(admin, "usernameLine", "gitea.admin"),
        passwordLine: positiveInteger(admin, "passwordLine", "gitea.admin"),
        apiUsername: y.stringField(admin, "apiUsername", "gitea.admin"),
      },
      webhook: {
        secretRoot: y.absolutePathField(webhook, "secretRoot", "gitea.webhook"),
        secretSourceRef: y.sourceRefField(webhook, "secretSourceRef", "gitea.webhook"),
        events: y.stringArrayField(webhook, "events", "gitea.webhook"),
        branch: y.stringField(webhook, "branch", "gitea.webhook"),
      },
    },
    repository: {
      name: y.kubernetesNameField(repository, "name", "repository"),
      namespace: y.kubernetesNameField(repository, "namespace", "repository"),
      providerType: y.enumField(repository, "providerType", "repository", ["gitea"] as const),
      url: urlField(repository, "url", "repository"),
      cloneUrl: urlField(repository, "cloneUrl", "repository"),
      owner: y.stringField(repository, "owner", "repository"),
      repo: y.stringField(repository, "repo", "repository"),
      secretName: y.kubernetesNameField(repository, "secretName", "repository"),
      tokenKey: y.stringField(repository, "tokenKey", "repository"),
      webhookSecretKey: y.stringField(repository, "webhookSecretKey", "repository"),
      concurrencyLimit: positiveInteger(repository, "concurrencyLimit", "repository"),
      params: stringRecord(y.objectField(repository, "params", "repository"), "repository.params"),
    },
    consumer: {
      node: y.stringField(consumer, "node", "consumer"),
      lane: y.stringField(consumer, "lane", "consumer"),
      namespace: y.kubernetesNameField(consumer, "namespace", "consumer"),
      pipeline: y.kubernetesNameField(consumer, "pipeline", "consumer"),
      pipelineRunPrefix: y.stringField(consumer, "pipelineRunPrefix", "consumer"),
      argoNamespace: y.kubernetesNameField(consumer, "argoNamespace", "consumer"),
      argoApplication: y.kubernetesNameField(consumer, "argoApplication", "consumer"),
    },
  };
  validateConfig(parsed);
  return parsed;
}

function parseTarget(record: Record<string, unknown>, index: number): PacTarget {
  const path = `targets[${index}]`;
  return {
    id: y.stringField(record, "id", path),
    route: y.stringField(record, "route", path),
    namespace: y.kubernetesNameField(record, "namespace", path),
    role: y.stringField(record, "role", path),
    enabled: y.booleanField(record, "enabled", path),
  };
}

function validateConfig(config: PacConfig): void {
  if (config.version !== 1) throw new Error(`${configLabel}.version must be 1`);
  resolveTarget(config, config.defaults.targetId);
  if (config.repository.providerType !== "gitea") throw new Error(`${configLabel}.repository.providerType must be gitea`);
  if (config.release.waitTimeoutSeconds > 55) throw new Error(`${configLabel}.release.waitTimeoutSeconds must fit the 60s trans budget`);
  if (config.repository.namespace !== config.consumer.namespace) throw new Error(`${configLabel}.repository.namespace must match consumer.namespace`);
  if (new URL(config.repository.cloneUrl).origin !== new URL(config.gitea.internalBaseUrl).origin) throw new Error(`${configLabel}.repository.cloneUrl must use the configured internal Gitea base URL`);
  if (!config.gitea.webhook.events.includes("push")) throw new Error(`${configLabel}.gitea.webhook.events must include push`);
}

function resolveTarget(config: PacConfig, targetId: string | null): PacTarget {
  const id = targetId ?? config.defaults.targetId;
  const target = config.targets.find((item) => item.id.toLowerCase() === id.toLowerCase());
  if (target === undefined) throw new Error(`unknown Pipelines-as-Code target ${id}; known targets: ${config.targets.map((item) => item.id).join(", ")}`);
  if (!target.enabled) throw new Error(`Pipelines-as-Code target ${target.id} is disabled in ${configLabel}`);
  return target;
}

function plan(options: CommonOptions): Record<string, unknown> {
  const pac = readPacConfig();
  const target = resolveTarget(pac, options.targetId);
  const secrets = secretSummaries(pac);
  return {
    ok: true,
    action: "platform-infra-pipelines-as-code-plan",
    mutation: false,
    target: targetSummary(target),
    config: configSummary(pac),
    release: pac.release,
    repository: repositorySummary(pac),
    secrets,
    policy: policyChecks(pac),
    next: nextCommands(target.id),
  };
}

async function apply(config: UniDeskConfig, options: ApplyOptions): Promise<Record<string, unknown>> {
  const pac = readPacConfig();
  const target = resolveTarget(pac, options.targetId);
  const secrets = ensureSecrets(pac, !options.dryRun, options.dryRun);
  const releaseManifest = options.dryRun ? "" : await fetchReleaseManifest(pac);
  const result = await capture(config, target.route, ["sh"], remoteScript("apply", pac, target, options, secrets, releaseManifest));
  const parsed = parseJsonOutput(result.stdout);
  return {
    ok: result.exitCode === 0 && parsed?.ok === true,
    action: "platform-infra-pipelines-as-code-apply",
    mutation: !options.dryRun,
    mode: options.dryRun ? "dry-run" : "confirmed",
    target: targetSummary(target),
    config: compactConfigSummary(pac),
    release: { version: pac.release.version, manifestUrl: pac.release.manifestUrl },
    repository: repositorySummary(pac),
    secrets: secretSummaries(pac),
    remote: parsed ?? compactCapture(result, { full: true }),
    next: nextCommands(target.id),
  };
}

async function status(config: UniDeskConfig, options: CommonOptions): Promise<Record<string, unknown>> {
  const pac = readPacConfig();
  const target = resolveTarget(pac, options.targetId);
  const secrets = ensureSecrets(pac, false);
  const result = await capture(config, target.route, ["sh"], remoteScript("status", pac, target, { ...options, confirm: false, dryRun: true, wait: false }, secrets, ""));
  const parsed = parseJsonOutput(result.stdout);
  const summary = parsed === null ? null : statusSummary(parsed);
  return {
    ok: result.exitCode === 0 && summary?.ready === true,
    action: "platform-infra-pipelines-as-code-status",
    mutation: false,
    target: targetSummary(target),
    config: compactConfigSummary(pac),
    summary,
    remote: parsed === null ? compactCapture(result, { full: true }) : options.raw || options.full ? parsed : summary,
    next: nextCommands(target.id),
  };
}

async function webhookTest(config: UniDeskConfig, options: WebhookTestOptions): Promise<Record<string, unknown>> {
  const pac = readPacConfig();
  const target = resolveTarget(pac, options.targetId);
  if (!options.confirm) return { ok: false, action: "platform-infra-pipelines-as-code-webhook-test", mutation: false, mode: "missing-confirm", error: "webhook-test requires --confirm" };
  const secrets = ensureSecrets(pac, false);
  const result = await capture(config, target.route, ["sh"], remoteScript("webhook-test", pac, target, { ...options, dryRun: false, wait: false }, secrets, ""));
  const parsed = parseJsonOutput(result.stdout);
  return {
    ok: result.exitCode === 0 && parsed?.ok === true,
    action: "platform-infra-pipelines-as-code-webhook-test",
    mutation: true,
    target: targetSummary(target),
    remote: parsed ?? compactCapture(result, { full: true }),
    next: nextCommands(target.id),
  };
}

async function fetchReleaseManifest(pac: PacConfig): Promise<string> {
  const response = await fetch(pac.release.manifestUrl);
  if (!response.ok) throw new Error(`failed to fetch ${pac.release.manifestUrl}: HTTP ${response.status}`);
  const text = await response.text();
  if (!text.includes("repositories.pipelinesascode.tekton.dev")) throw new Error(`${pac.release.manifestUrl} did not contain the Repository CRD`);
  return text;
}

function remoteScript(action: "apply" | "status" | "webhook-test", pac: PacConfig, target: PacTarget, options: ApplyOptions | WebhookTestOptions, secrets: SecretMaterial, releaseManifest: string): string {
  const webhookUrl = `${pac.gitea.internalBaseUrl.replace(/\/+$/u, "").replace(/gitea-http\.[^.]+\.svc\.cluster\.local:3000/u, `${pac.release.controllerServiceName}.${pac.release.namespace}.svc.cluster.local:${pac.release.controllerServicePort}`)}`;
  const env: Record<string, string> = {
    UNIDESK_PAC_ACTION: action,
    UNIDESK_PAC_FIELD_MANAGER: fieldManager,
    UNIDESK_PAC_TARGET_ID: target.id,
    UNIDESK_PAC_TARGET_NAMESPACE: target.namespace,
    UNIDESK_PAC_RELEASE_NAMESPACE: pac.release.namespace,
    UNIDESK_PAC_RELEASE_MANIFEST_B64: Buffer.from(releaseManifest, "utf8").toString("base64"),
    UNIDESK_PAC_CONTROLLER_SERVICE_NAME: pac.release.controllerServiceName,
    UNIDESK_PAC_WAIT_TIMEOUT_SECONDS: String(pac.release.waitTimeoutSeconds),
    UNIDESK_PAC_DRY_RUN: "dryRun" in options && options.dryRun ? "1" : "0",
    UNIDESK_PAC_GITEA_BASE_URL: pac.gitea.internalBaseUrl.replace(/\/+$/u, ""),
    UNIDESK_PAC_GITEA_ADMIN_USERNAME: secrets.adminUsername,
    UNIDESK_PAC_GITEA_ADMIN_PASSWORD: secrets.adminPassword,
    UNIDESK_PAC_GITEA_API_USERNAME: pac.gitea.admin.apiUsername,
    UNIDESK_PAC_GITEA_OWNER: pac.repository.owner,
    UNIDESK_PAC_GITEA_REPO: pac.repository.repo,
    UNIDESK_PAC_WEBHOOK_URL: webhookUrl,
    UNIDESK_PAC_WEBHOOK_SECRET: secrets.webhookSecret,
    UNIDESK_PAC_REPOSITORY_NAME: pac.repository.name,
    UNIDESK_PAC_REPOSITORY_URL: pac.repository.url,
    UNIDESK_PAC_SECRET_NAME: pac.repository.secretName,
    UNIDESK_PAC_TOKEN_KEY: pac.repository.tokenKey,
    UNIDESK_PAC_WEBHOOK_SECRET_KEY: pac.repository.webhookSecretKey,
    UNIDESK_PAC_CONCURRENCY_LIMIT: String(pac.repository.concurrencyLimit),
    UNIDESK_PAC_PARAMS_JSON: JSON.stringify(pac.repository.params),
    UNIDESK_PAC_PIPELINE_RUN_PREFIX: pac.consumer.pipelineRunPrefix,
    UNIDESK_PAC_ARGO_NAMESPACE: pac.consumer.argoNamespace,
    UNIDESK_PAC_ARGO_APPLICATION: pac.consumer.argoApplication,
  };
  const exports = Object.entries(env).map(([key, value]) => `export ${key}=${shQuote(value)}`).join("\n");
  return `${exports}\n${readFileSync(remoteScriptFile, "utf8")}`;
}

function credentialPath(root: string, sourceRef: string): string {
  return sourceRef.startsWith("/") ? sourceRef : join(root, sourceRef);
}

function parseLinePair(path: string, usernameLine: number, passwordLine: number): { username: string; password: string } {
  const lines = readFileSync(path, "utf8").split(/\r?\n/u);
  const username = lines[usernameLine - 1]?.trim() ?? "";
  const password = lines[passwordLine - 1]?.trim() ?? "";
  if (username.length === 0 || password.length === 0) throw new Error(`${path} must contain username on line ${usernameLine} and password on line ${passwordLine}`);
  return { username, password };
}

function ensureSecrets(pac: PacConfig, createWebhookSecret: boolean, allowMissingWebhookSecret = false): SecretMaterial {
  const adminPath = credentialPath(pac.gitea.admin.sourceRoot, pac.gitea.admin.sourceRef);
  if (!existsSync(adminPath)) throw new Error(`${pac.gitea.admin.sourceRef} is missing`);
  const admin = parseLinePair(adminPath, pac.gitea.admin.usernameLine, pac.gitea.admin.passwordLine);
  const webhookPath = credentialPath(pac.gitea.webhook.secretRoot, pac.gitea.webhook.secretSourceRef);
  if (!existsSync(webhookPath)) {
    if (allowMissingWebhookSecret) {
      const placeholder = "dry-run-webhook-secret-placeholder";
      return {
        adminUsername: admin.username,
        adminPassword: admin.password,
        adminFingerprint: secretFingerprint(`${admin.username}\0${admin.password}`),
        webhookSecret: placeholder,
        webhookFingerprint: secretFingerprint(placeholder),
        webhookPath,
      };
    }
    if (!createWebhookSecret) throw new Error(`${pac.gitea.webhook.secretSourceRef} is missing; run apply --confirm to create it`);
    mkdirSync(dirname(webhookPath), { recursive: true });
    writeFileSync(webhookPath, `${randomBytes(32).toString("hex")}\n`, { encoding: "utf8", mode: 0o600 });
    chmodSync(webhookPath, 0o600);
  }
  const webhookSecret = readFileSync(webhookPath, "utf8").trim();
  if (webhookSecret.length < 32) throw new Error(`${pac.gitea.webhook.secretSourceRef} must contain at least 32 chars`);
  return {
    adminUsername: admin.username,
    adminPassword: admin.password,
    adminFingerprint: secretFingerprint(`${admin.username}\0${admin.password}`),
    webhookSecret,
    webhookFingerprint: secretFingerprint(webhookSecret),
    webhookPath,
  };
}

function secretSummaries(pac: PacConfig): Array<Record<string, unknown>> {
  const adminPath = credentialPath(pac.gitea.admin.sourceRoot, pac.gitea.admin.sourceRef);
  const webhookPath = credentialPath(pac.gitea.webhook.secretRoot, pac.gitea.webhook.secretSourceRef);
  const admin = existsSync(adminPath) ? parseLinePair(adminPath, pac.gitea.admin.usernameLine, pac.gitea.admin.passwordLine) : null;
  const webhookSecret = existsSync(webhookPath) ? readFileSync(webhookPath, "utf8").trim() : "";
  return [
    {
      id: "gitea-admin",
      sourceRef: pac.gitea.admin.sourceRef,
      sourcePath: adminPath,
      present: admin !== null,
      fingerprint: admin === null ? null : secretFingerprint(`${admin.username}\0${admin.password}`),
      valuesPrinted: false,
    },
    {
      id: "pac-webhook",
      sourceRef: pac.gitea.webhook.secretSourceRef,
      sourcePath: webhookPath,
      present: webhookSecret.length > 0,
      fingerprint: webhookSecret.length > 0 ? secretFingerprint(webhookSecret) : null,
      valuesPrinted: false,
    },
  ];
}

function statusSummary(payload: Record<string, unknown>): Record<string, unknown> {
  const pipelineRuns = arrayRecords(payload.pipelineRuns);
  const latest = pipelineRuns[0] ?? {};
  const taskRuns = arrayRecords(payload.taskRuns);
  return {
    ready: payload.crdPresent === true && String(payload.controllerReady ?? "0/0") !== "0/0",
    crdPresent: payload.crdPresent === true,
    controllerReady: payload.controllerReady,
    repositoryCondition: payload.repositoryCondition,
    webhookCount: arrayRecords(payload.webhooks).length,
    latestPipelineRun: latest,
    taskRuns,
    artifact: record(payload.artifact),
    argo: record(payload.argo),
    valuesPrinted: false,
  };
}

function policyChecks(pac: PacConfig): Array<Record<string, unknown>> {
  return [
    { name: "single-path", ok: true, detail: "Gitea webhook -> Pipelines-as-Code -> Tekton -> Argo/k8s runtime; no Gitea Actions/act_runner/branch-follower fallback." },
    { name: "yaml-source-of-truth", ok: true, detail: `${configLabel} owns PaC release, Repository CR, Gitea webhook and AgentRun JD01 v0.2 params.` },
    { name: "gitea-internal-source", ok: pac.repository.cloneUrl.includes(".svc.cluster.local"), detail: "Tekton source clone uses the internal k3s Gitea service URL." },
    { name: "runtime-zero-docker", ok: true, detail: "Runtime starts at k8s pulling already-built images; CI build may use Tekton/BuildKit." },
  ];
}

function targetSummary(target: PacTarget): Record<string, unknown> {
  return { id: target.id, route: target.route, namespace: target.namespace, role: target.role };
}

function configSummary(pac: PacConfig): Record<string, unknown> {
  return {
    path: configLabel,
    metadata: pac.metadata,
    release: pac.release,
    gitea: { configRef: pac.gitea.configRef, internalBaseUrl: pac.gitea.internalBaseUrl, webhookBranch: pac.gitea.webhook.branch },
    repository: repositorySummary(pac),
    consumer: pac.consumer,
    valuesPrinted: false,
  };
}

function compactConfigSummary(pac: PacConfig): Record<string, unknown> {
  return {
    path: configLabel,
    releaseVersion: pac.release.version,
    repository: pac.repository.name,
    providerType: pac.repository.providerType,
    sourceUrl: pac.repository.cloneUrl,
    consumer: `${pac.consumer.node}/${pac.consumer.lane}`,
    pipeline: pac.consumer.pipeline,
    valuesPrinted: false,
  };
}

function repositorySummary(pac: PacConfig): Record<string, unknown> {
  return {
    name: pac.repository.name,
    namespace: pac.repository.namespace,
    providerType: pac.repository.providerType,
    url: pac.repository.url,
    cloneUrl: pac.repository.cloneUrl,
    owner: pac.repository.owner,
    repo: pac.repository.repo,
    secretName: pac.repository.secretName,
    concurrencyLimit: pac.repository.concurrencyLimit,
    params: Object.keys(pac.repository.params).sort(),
  };
}

function nextCommands(targetId: string): Record<string, string> {
  return {
    apply: `bun scripts/cli.ts platform-infra pipelines-as-code apply --target ${targetId} --confirm`,
    status: `bun scripts/cli.ts platform-infra pipelines-as-code status --target ${targetId}`,
    webhookTest: `bun scripts/cli.ts platform-infra pipelines-as-code webhook-test --target ${targetId} --confirm`,
  };
}

function renderPlan(result: Record<string, unknown>): RenderedCliResult {
  const target = record(result.target);
  const config = record(result.config);
  const repository = record(result.repository);
  const secrets = arrayRecords(result.secrets);
  const policy = arrayRecords(result.policy);
  const lines = [
    "PLATFORM-INFRA PIPELINES-AS-CODE PLAN",
    ...table(["TARGET", "NAMESPACE", "RELEASE", "REPOSITORY"], [[stringValue(target.id), stringValue(target.namespace), stringValue(record(config.release).version), stringValue(repository.name)]]),
    "",
    "PATH",
    ...table(["STAGE", "AUTHORITY", "DETAIL"], [
      ["source", "Gitea", stringValue(repository.cloneUrl)],
      ["trigger", "Pipelines-as-Code", "Gitea push webhook"],
      ["ci", "Tekton", stringValue(record(config.consumer).pipeline)],
      ["cd", "Argo", stringValue(record(config.consumer).argoApplication)],
    ]),
    "",
    "SECRETS",
    ...table(["ID", "PRESENT", "FINGERPRINT", "VALUES"], secrets.map((item) => [stringValue(item.id), boolText(item.present), stringValue(item.fingerprint), "false"])),
    "",
    "POLICY",
    ...table(["NAME", "OK", "DETAIL"], policy.map((item) => [stringValue(item.name), boolText(item.ok), stringValue(item.detail)])),
    "",
    "NEXT",
    `  apply: ${stringValue(record(result.next).apply)}`,
    `  status: ${stringValue(record(result.next).status)}`,
  ];
  return rendered(result, "platform-infra pipelines-as-code plan", lines);
}

function renderApply(result: Record<string, unknown>): RenderedCliResult {
  const target = record(result.target);
  const remote = record(result.remote);
  const lines = [
    "PLATFORM-INFRA PIPELINES-AS-CODE APPLY",
    ...table(["TARGET", "MODE", "MUTATION", "OK"], [[stringValue(target.id), stringValue(result.mode), boolText(result.mutation), boolText(result.ok)]]),
    "",
    "REMOTE",
    ...table(["CONTROLLER", "WEBHOOK", "REPOSITORY", "VALUES"], [[stringValue(remote.controllerReady), stringValue(record(remote.webhook).present), stringValue(remote.repository), "false"]]),
    "",
    "NEXT",
    `  status: ${stringValue(record(result.next).status)}`,
  ];
  return rendered(result, "platform-infra pipelines-as-code apply", lines);
}

function renderStatus(result: Record<string, unknown>): RenderedCliResult {
  const summary = record(result.summary);
  const latest = record(summary.latestPipelineRun);
  const taskRuns = arrayRecords(summary.taskRuns);
  const artifact = record(summary.artifact);
  const argo = record(summary.argo);
  const lines = [
    "PLATFORM-INFRA PIPELINES-AS-CODE STATUS",
    ...table(["READY", "CRD", "CONTROLLER", "WEBHOOKS", "REPOSITORY"], [[boolText(summary.ready), boolText(summary.crdPresent), stringValue(summary.controllerReady), stringValue(summary.webhookCount), compactLine(stringValue(summary.repositoryCondition))]]),
    "",
    "LATEST PIPELINERUN",
    ...table(["NAME", "STATUS", "REASON", "DURATION_S", "SOURCE"], [[stringValue(latest.name), stringValue(latest.status), stringValue(latest.reason), stringValue(latest.durationSeconds), short(stringValue(latest.sourceCommit))]]),
    "",
    "TASKRUN DURATIONS",
    ...(taskRuns.length === 0 ? ["-"] : table(["TASKRUN", "STATUS", "REASON", "DURATION_S"], taskRuns.map((item) => [short(stringValue(item.name), 56), stringValue(item.status), stringValue(item.reason), stringValue(item.durationSeconds)]))),
    "",
    "IMAGE / GITOPS",
    ...table(["IMAGE_STATUS", "ENV_ID", "DIGEST", "GITOPS"], [[stringValue(artifact.imageStatus), stringValue(artifact.envIdentity), short(stringValue(artifact.digest), 18), short(stringValue(artifact.gitopsCommit))]]),
    "",
    "ARGO",
    ...table(["SYNC", "HEALTH", "REVISION"], [[stringValue(argo.sync), stringValue(argo.health), short(stringValue(argo.revision))]]),
    "",
    "NEXT",
    `  full: bun scripts/cli.ts platform-infra pipelines-as-code status --target ${stringValue(record(result.target).id)} --full`,
  ];
  return rendered(result, "platform-infra pipelines-as-code status", lines);
}

function renderWebhookTest(result: Record<string, unknown>): RenderedCliResult {
  const remote = record(result.remote);
  const lines = [
    "PLATFORM-INFRA PIPELINES-AS-CODE WEBHOOK TEST",
    ...table(["OK", "MUTATION", "HOOK", "SENT"], [[boolText(result.ok), boolText(result.mutation), stringValue(remote.hookId), boolText(remote.webhookTestSent)]]),
    "",
    "NEXT",
    `  status: ${stringValue(record(result.next).status)}`,
  ];
  return rendered(result, "platform-infra pipelines-as-code webhook-test", lines);
}

function parseApplyOptions(args: string[]): ApplyOptions {
  const commonArgs: string[] = [];
  let confirm = false;
  let dryRun = false;
  let wait = false;
  for (let index = 0; index < args.length; index += 1) {
    const arg = args[index];
    if (arg === "--confirm") confirm = true;
    else if (arg === "--dry-run") dryRun = true;
    else if (arg === "--wait") wait = true;
    else {
      commonArgs.push(arg);
      if (arg === "--target" || arg === "--node") {
        commonArgs.push(args[index + 1] ?? "");
        index += 1;
      }
    }
  }
  if (confirm && dryRun) throw new Error("pipelines-as-code apply accepts only one of --confirm or --dry-run");
  return { ...parseCommonOptions(commonArgs), confirm, dryRun: dryRun || !confirm, wait };
}

function parseWebhookTestOptions(args: string[]): WebhookTestOptions {
  const commonArgs: string[] = [];
  let confirm = false;
  for (let index = 0; index < args.length; index += 1) {
    const arg = args[index];
    if (arg === "--confirm") confirm = true;
    else {
      commonArgs.push(arg);
      if (arg === "--target" || arg === "--node") {
        commonArgs.push(args[index + 1] ?? "");
        index += 1;
      }
    }
  }
  return { ...parseCommonOptions(commonArgs), confirm };
}

function parseCommonOptions(args: string[]): CommonOptions {
  let targetId: string | null = null;
  let full = false;
  let raw = false;
  for (let index = 0; index < args.length; index += 1) {
    const arg = args[index];
    if (arg === "--target" || arg === "--node") {
      const value = args[index + 1];
      if (value === undefined || value.startsWith("--")) throw new Error(`${arg} requires a value`);
      if (!/^[A-Za-z0-9._-]+$/u.test(value)) throw new Error(`${arg} must be a simple target id`);
      targetId = value;
      index += 1;
    } else if (arg === "--full") {
      full = true;
    } else if (arg === "--raw") {
      raw = true;
      full = true;
    } else {
      throw new Error(`unsupported pipelines-as-code option: ${arg}`);
    }
  }
  return { targetId, full, raw };
}

function positiveInteger(obj: Record<string, unknown>, key: string, path: string): number {
  const value = y.integerField(obj, key, path);
  if (value < 1) throw new Error(`${configLabel}.${path}.${key} must be positive`);
  return value;
}

function urlField(obj: Record<string, unknown>, key: string, path: string): string {
  const value = y.stringField(obj, key, path);
  const parsed = new URL(value);
  if (!["http:", "https:"].includes(parsed.protocol) || parsed.search || parsed.hash) throw new Error(`${configLabel}.${path}.${key} must be an http(s) URL without query or hash`);
  return value.replace(/\/+$/u, "");
}

function stringRecord(obj: Record<string, unknown>, path: string): Record<string, string> {
  const out: Record<string, string> = {};
  for (const [key, value] of Object.entries(obj)) {
    if (typeof value !== "string" || value.length === 0) throw new Error(`${configLabel}.${path}.${key} must be a non-empty string`);
    out[key] = value;
  }
  return out;
}

function secretFingerprint(value: string): string {
  return sha256Fingerprint(value).slice(0, 23);
}

function rendered(result: Record<string, unknown>, command: string, lines: string[]): RenderedCliResult {
  return { ok: result.ok !== false, command, renderedText: lines.join("\n"), contentType: "text/plain" };
}

function record(value: unknown): Record<string, unknown> {
  return typeof value === "object" && value !== null && !Array.isArray(value) ? value as Record<string, unknown> : {};
}

function arrayRecords(value: unknown): Record<string, unknown>[] {
  return Array.isArray(value) ? value.filter((item) => typeof item === "object" && item !== null && !Array.isArray(item)) as Record<string, unknown>[] : [];
}

function stringValue(value: unknown, fallback = "-"): string {
  if (typeof value === "string" && value.length > 0) return value;
  if (typeof value === "number" || typeof value === "boolean") return String(value);
  return fallback;
}

function boolText(value: unknown): string {
  return value === true ? "true" : "false";
}

function short(value: string, length = 12): string {
  if (value === "-" || value.length <= length) return value;
  return value.slice(0, length);
}

function compactLine(value: string): string {
  const trimmed = value.replace(/\s+/gu, " ").trim();
  return trimmed.length > 0 ? trimmed.slice(0, 120) : "-";
}

function table(headers: string[], rows: string[][]): string[] {
  const widths = headers.map((header, index) => Math.max(header.length, ...rows.map((row) => (row[index] ?? "").length)));
  const format = (row: string[]) => row.map((cell, index) => cell.padEnd(widths[index])).join("  ");
  return [format(headers), format(headers.map((header, index) => "-".repeat(Math.max(header.length, widths[index])))), ...rows.map(format)];
}