import assert from "node:assert/strict";
import { readFileSync } from "node:fs";
import test from "node:test";

import { GET as getAdminUnavailable } from "../src/app/admin-unavailable/route.ts";
import { resolveAdminPageAccessFailure } from "../src/lib/admin/page-access.ts";

const migration = readFileSync(
  new URL("../supabase/migrations/20260805010000_reconcile_admin_redemption_audit.sql", import.meta.url),
  "utf8",
);
const auth = readFileSync(new URL("../src/lib/admin/auth.ts", import.meta.url), "utf8");
const authBoundary = readFileSync(new URL("../src/lib/admin/auth-boundary.ts", import.meta.url), "utf8");
const authPolicy = readFileSync(new URL("../src/lib/admin/auth-policy.ts", import.meta.url), "utf8");
const authFactory = readFileSync(new URL("../src/modules/identity/auth-factory.ts", import.meta.url), "utf8");
const adminHttp = readFileSync(new URL("../src/lib/admin/http.ts", import.meta.url), "utf8");
const rbacMigration = readFileSync(new URL("../supabase/migrations/20260806010000_admin_rbac.sql", import.meta.url), "utf8");
const ownerRecoveryMigration = readFileSync(new URL("../db/migrations/20260807010000_recover_initial_admin_owner.sql", import.meta.url), "utf8");
const bootstrapRoles = readFileSync(new URL("../../deploy/postgres/001-bootstrap-roles.sh", import.meta.url), "utf8");
const compatibilityRoles = readFileSync(new URL("../../deploy/postgres/002-ensure-business-compatibility-roles.sql", import.meta.url), "utf8");
const administratorsRoute = readFileSync(new URL("../src/app/api/admin/administrators/route.ts", import.meta.url), "utf8");
const reauthRoute = readFileSync(new URL("../src/app/api/admin/reauth/route.ts", import.meta.url), "utf8");
const mfaRoute = readFileSync(new URL("../src/app/api/admin/mfa/route.ts", import.meta.url), "utf8");
const mfaSecurity = readFileSync(new URL("../src/components/admin/mfa-security.tsx", import.meta.url), "utf8");
const reasonActionModal = readFileSync(new URL("../src/components/admin/reason-action-modal.tsx", import.meta.url), "utf8");
const customersRoute = readFileSync(new URL("../src/app/api/admin/customers/route.ts", import.meta.url), "utf8");
const adminUser = readFileSync(new URL("../src/lib/supabase/admin.ts", import.meta.url), "utf8");
const codesRoute = readFileSync(new URL("../src/app/api/admin/codes/route.ts", import.meta.url), "utf8");
const codeRoute = readFileSync(new URL("../src/app/api/admin/codes/[id]/route.ts", import.meta.url), "utf8");
const providers = readFileSync(new URL("../src/lib/admin/providers.ts", import.meta.url), "utf8");
const adminLayout = readFileSync(new URL("../src/app/admin/layout.tsx", import.meta.url), "utf8");
const adminApp = readFileSync(new URL("../src/components/admin/admin-app.tsx", import.meta.url), "utf8");
const adminRootRoute = readFileSync(new URL("../src/app/admin/route.ts", import.meta.url), "utf8");
const forbiddenPage = readFileSync(new URL("../src/app/forbidden.tsx", import.meta.url), "utf8");
const nextConfig = readFileSync(new URL("../next.config.ts", import.meta.url), "utf8");
const stagingCaddy = readFileSync(new URL("../../deploy/Caddyfile.staging", import.meta.url), "utf8");
const readonlyRoutes = ["customers", "credit-transactions", "consultations", "audit-logs"].map((resource) =>
  readFileSync(new URL(`../src/app/api/admin/${resource}/route.ts`, import.meta.url), "utf8"),
);
const packageJson = JSON.parse(readFileSync(new URL("../package.json", import.meta.url), "utf8"));

test("admin APIs use persisted Better Auth roles with admin-only boundaries", () => {
  assert.match(auth, /requireIdentityServerSession/);
  assert.match(auth, /getIdentityAuthServices\(\)\.user\.api/);
  assert.match(authPolicy, /permissions\.includes\(required\)/);
  assert.match(auth, /admin_permission_keys\(\$1\)/);
  assert.doesNotMatch(auth, /ADMIN_EMAILS|isAdminEmail/);
  assert.match(authBoundary, /readAuthProvider\(\)\?\.trim\(\) !== "self-hosted"/);
  assert.match(authBoundary, /后台服务暂时不可用", 503/);
  assert.match(codesRoute, /requireHighRiskAdminMutation\(\s*request,\s*"billing\.adjustments\.write",?\s*\)/);
  assert.match(codeRoute, /requireHighRiskAdminMutation\(\s*request,\s*"billing\.adjustments\.write",?\s*\)/g);
});

test("self-hosted account entry uses the database permission graph", () => {
  const selfHostedBranch = adminUser.slice(
    adminUser.indexOf('process.env.AUTH_PROVIDER?.trim() === "self-hosted"'),
    adminUser.indexOf("if (isAdminEmail"),
  );

  assert.match(selfHostedBranch, /queryAdminRows/);
  assert.match(selfHostedBranch, /admin_has_permission\(\$1, 'admin\.access'\)/);
  assert.doesNotMatch(selfHostedBranch, /role === "admin"|viewer|isAdminEmail|ADMIN_EMAILS/);
  assert.match(authBoundary, /authorizeAdminAccess\([\s\S]*identitySession\.user,[\s\S]*session\.permissions,[\s\S]*permission/);
});

test("admin navigation exposes separated RBAC and billing resources", () => {
  assert.match(adminApp, /name: "administrators", list: "\/admin\/administrators"/);
  assert.match(adminApp, /name: "customers", list: "\/admin\/customers"/);
  assert.match(adminApp, /name: "products", list: "\/admin\/products"/);
  assert.match(adminApp, /name: "subscriptions", list: "\/admin\/subscriptions"/);
  assert.match(adminApp, /name: "orders", list: "\/admin\/orders"/);
  assert.match(adminApp, /name: "security", list: "\/admin\/security"/);
  assert.match(adminApp, /CreditCardOutlined/);
  assert.match(adminApp, /ShoppingOutlined/);
});

test("admin shell uses large controls without the return-to-chat sider override", () => {
  assert.match(adminApp, /<ConfigProvider componentSize="large"/);
  assert.match(adminApp, /<ThemedLayout>\{children\}<\/ThemedLayout>/);
  assert.doesNotMatch(adminApp, /AdminSider|ThemedSider|ArrowLeftOutlined|返回对话|next\/link|Menu\.Item/);
});

test("admin pages and root route are server-gated before rendering or redirecting", () => {
  assert.match(adminLayout, /await requireAdminSession\("read"\)/);
  assert.match(adminLayout, /redirect\(/);
  assert.match(adminRootRoute, /await requireAdminSession\("read"\)/);
  assert.match(adminRootRoute, /headers: \{ location: "\/admin\/codes" \}/);
});

test("admin authorization denial cannot enter the staging Caddy root redirect loop", () => {
  assert.match(stagingCaddy, /@root path \/\n\s+redir @root \/admin 308/);
  assert.deepEqual(resolveAdminPageAccessFailure(401), { kind: "login", location: "/login" });
  assert.deepEqual(resolveAdminPageAccessFailure(403), {
    kind: "forbidden",
    status: 403,
    message: "无权访问后台",
  });
  assert.deepEqual(resolveAdminPageAccessFailure(503), {
    kind: "unavailable",
    status: 503,
    message: "后台服务暂时不可用",
    location: "/admin-unavailable",
  });
  assert.match(adminLayout, /failure\.kind === "login"[\s\S]*redirect\(failure\.location\)/);
  assert.match(adminLayout, /failure\.kind === "forbidden"[\s\S]*forbidden\(\)/);
  assert.match(adminLayout, /failure\.kind === "unavailable"[\s\S]*redirect\(failure\.location\)/);
  assert.match(adminLayout, /throw error/);
  assert.match(adminRootRoute, /status: failure\.status/);
  assert.match(adminRootRoute, /"cache-control": "no-store"/);
  assert.doesNotMatch(adminLayout, /redirect\([^)]*"\/"/);
  assert.doesNotMatch(adminRootRoute, /location:[^\n]*"\/"/);
  assert.match(nextConfig, /authInterrupts: true/);
  assert.match(forbiddenPage, /403/);
  assert.match(forbiddenPage, /没有后台访问权限/);
});

test("admin unavailable route terminates layout redirects with a no-store 503", async () => {
  const response = getAdminUnavailable();

  assert.equal(response.status, 503);
  assert.equal(response.headers.get("cache-control"), "no-store");
  assert.equal(response.headers.get("location"), null);
  assert.equal(response.headers.get("content-type"), "text/plain; charset=utf-8");
  assert.equal(await response.text(), "后台服务暂时不可用");
});

test("initial Owner recovery safely no-ops until every RBAC prerequisite exists", () => {
  for (const prerequisite of [
    "public.admin_users",
    "public.admin_roles",
    "public.admin_user_roles",
    "identity.users",
    "auth.users",
  ]) {
    const escaped = prerequisite.replaceAll(".", "\\.");
    assert.match(ownerRecoveryMigration, new RegExp(`to_regclass\\('${escaped}'\\) is null`));
  }
  assert.match(ownerRecoveryMigration, /to_regprocedure\('public\.admin_permission_keys\(uuid\)'\) is null/);
  assert.match(ownerRecoveryMigration, /to_regprocedure\('public\.assert_active_admin_owner_exists\(\)'\) is null/);
  assert.match(ownerRecoveryMigration, /then[\s\S]*return;[\s\S]*end if;[\s\S]*pg_advisory_xact_lock/);
});

test("initial Owner recovery is single-candidate, fail-closed, and independent of ADMIN_EMAILS", () => {
  assert.match(ownerRecoveryMigration, /v_active_owner_count > 0[\s\S]*return/);
  assert.match(
    ownerRecoveryMigration,
    /not u\.banned or \(u\.ban_expires is not null and u\.ban_expires <= clock_timestamp\(\)\)/,
  );
  assert.match(ownerRecoveryMigration, /lock table identity\.users, auth\.users in share mode/);
  assert.match(
    ownerRecoveryMigration,
    /not exists \(select 1 from identity\.users\)[\s\S]*not exists \(select 1 from auth\.users\)/,
  );
  assert.match(ownerRecoveryMigration, /join auth\.users a on a\.id = u\.id/);
  assert.match(ownerRecoveryMigration, /left join public\.admin_users existing_admin/);
  assert.match(
    ownerRecoveryMigration,
    /existing_admin\.user_id is null or existing_admin\.revoked_at is null/,
  );
  assert.match(
    ownerRecoveryMigration,
    /unnest\(string_to_array\(u\.role, ','\)\)[\s\S]*btrim\(role_part\.value\) = 'admin'/,
  );
  assert.match(ownerRecoveryMigration, /v_candidate_count <> 1/);
  assert.match(ownerRecoveryMigration, /admin_owner_recovery_requires_exactly_one_active_identity_admin/);
  assert.match(ownerRecoveryMigration, /insert into public\.admin_users/);
  assert.match(
    ownerRecoveryMigration,
    /on conflict on constraint admin_users_pkey do nothing/,
  );
  assert.doesNotMatch(
    ownerRecoveryMigration,
    /on conflict on constraint admin_users_pkey do update[\s\S]*revoked_at\s*=\s*null/,
  );
  assert.match(ownerRecoveryMigration, /insert into public\.admin_user_roles/);
  assert.doesNotMatch(ownerRecoveryMigration, /ADMIN_EMAILS|email\s*=|ilike|lower\(.*email/);
});

test("readonly resources cannot be mutated through Refine access control", () => {
  for (const resource of ["customers", "credit-transactions", "consultations", "audit-logs"]) {
    assert.match(providers, new RegExp(resource.includes("-") ? `"${resource}"` : `${resource}:`));
  }
  assert.match(providers, /const resourcePermissions/);
  assert.match(providers, /permission && identity\.permissions\.includes\(permission\)/);
  for (const route of readonlyRoutes) {
    assert.match(route, /export const POST = readonlyAdminMutation/);
    assert.match(route, /export const PATCH = readonlyAdminMutation/);
    assert.match(route, /export const DELETE = readonlyAdminMutation/);
  }
});

test("redemption code writes are atomic with append-only redacted audit", () => {
  assert.match(migration, /create table if not exists audit\.admin_audit_logs/);
  assert.match(migration, /admin_audit_logs_append_only/);
  assert.match(migration, /redemption_code\.create/);
  assert.match(migration, /redemption_code\.update/);
  assert.match(migration, /redemption_code\.revoke/);
  assert.match(migration, /before_value is null or not \(before_value \?\| array\['code', 'code_hash', 'token', 'secret', 'key'\]\)/);
  assert.match(migration, /insert into audit\.admin_audit_logs/);
  assert.match(migration, /redeemed codes are immutable/);
  assert.match(migration, /revoked codes are immutable/);
  assert.match(migration, /v_code\.revoked_at is not null/);
  assert.match(migration, /'revoked_code'/);
  assert.match(migration, /set local role service_role|profiles_admin_read/);
  assert.match(migration, /p_codes is null or jsonb_typeof\(p_codes\) is distinct from 'array'/);
  assert.match(migration, /admin_verified_actor_email/);
});

test("plaintext code is returned only by create and never enters audit snapshots", () => {
  assert.match(codesRoute, /plainCodes\.map/);
  assert.match(codesRoute, /code,/);
  assert.doesNotMatch(codeRoute, /codeHash|code_hash|plainCodes/);
  const snapshot = migration.match(/create or replace function public\.admin_redemption_code_snapshot[\s\S]*?revoke all on function/);
  assert.ok(snapshot);
  assert.doesNotMatch(snapshot[0], /code_hash|'code'/);
  assert.match(snapshot[0], /'mask'/);
});

test("Refine dependencies and same-origin admin data provider are present", () => {
  for (const dependency of ["@refinedev/core", "@refinedev/antd", "@refinedev/nextjs-router", "antd"]) {
    assert.ok(packageJson.dependencies[dependency], `${dependency} missing`);
  }
  assert.match(providers, /const apiBase = "\/api\/admin"/);
  assert.doesNotMatch(providers, /https?:\/\//);
});

test("administrator writes require scoped email OTP reauthentication without mandatory MFA", () => {
  assert.match(adminHttp, /isSameOriginAdminMutation/);
  assert.match(administratorsRoute, /requireHighRiskAdminMutation\(request, "admin\.users\.manage_roles"\)/);
  assert.match(adminHttp, /requireAdminMutation\(request, permission\)[\s\S]*verifyHighRiskAdminProof/);
  assert.doesNotMatch(adminHttp, /requireAdminMfaIfRequired/);
  assert.match(reauthRoute, /requireAdminMutation\(request, parsed\.data\.permission\)[\s\S]*sendVerificationOTP/);
  assert.doesNotMatch(reauthRoute, /requireAdminMfaIfRequired/);
  assert.match(reauthRoute, /sendVerificationOTP/);
  assert.match(reauthRoute, /verifyEmailOTP/);
  assert.match(reauthRoute, /httpOnly: true/);
  assert.match(reasonActionModal, /action: "request"/);
  assert.match(reasonActionModal, /action: "verify"/);
  assert.match(reasonActionModal, /邮箱验证码/);
  assert.doesNotMatch(reasonActionModal, /\/api\/admin\/mfa|\/admin\/security|MfaStatus|mfaFactor|mfaReady/);

  assert.match(authFactory, /twoFactor\(/);
  assert.match(authFactory, /schema: identityModelMapping\.twoFactor/);
  assert.doesNotMatch(authFactory, /skipVerificationOnEnable\s*:\s*true/);
  assert.match(mfaRoute, /enableTwoFactor/);
  assert.match(mfaRoute, /verifyTOTP/);
  assert.match(mfaRoute, /verifyBackupCode/);
  assert.match(mfaRoute, /generateBackupCodes/);
  assert.match(mfaRoute, /disableTwoFactor/);
  assert.match(mfaSecurity, /\/api\/admin\/mfa/);
  assert.doesNotMatch(administratorsRoute, /ADMIN_MFA_CAPABLE|process\.env/);
  assert.doesNotMatch(reauthRoute, /ADMIN_MFA_CAPABLE|process\.env/);
});

test("customer birth data uses a narrow permission, is masked by default, and audits sensitive reads", () => {
  assert.match(authPolicy, /"admin\.customers\.read"/);
  assert.match(authPolicy, /"admin\.customers\.birth_data\.read"/);
  assert.match(customersRoute, /requirePermission\("admin\.customers\.read"\)/);
  assert.doesNotMatch(customersRoute, /requirePermission\("billing\.orders\.read"\)/);
  assert.match(customersRoute, /admin_read_customer_birth_data/);
  assert.match(customersRoute, /revealCustomerBirthData/);
  assert.match(customersRoute, /birthDataMasked: true/);
  assert.match(rbacMigration, /'owner', 'admin\.customers\.birth_data\.read'/);
  for (const role of ["support", "operations", "auditor"]) {
    assert.doesNotMatch(rbacMigration, new RegExp(`'${role}', 'admin\\.customers\\.birth_data\\.read'`));
  }
  assert.match(rbacMigration, /admin\.customer\.birth_data\.read/);
  assert.match(rbacMigration, /permission_used[\s\S]*admin\.customers\.birth_data\.read/);
  assert.match(rbacMigration, /revoke select \(birth_date, birth_time_status, birth_place_label\)/);
});

test("admin runtime cannot assume service_role and keeps explicit RBAC grants", () => {
  assert.match(bootstrapRoles, /GRANT service_role TO service_runtime/);
  assert.match(bootstrapRoles, /REVOKE service_role FROM admin_runtime/);
  assert.doesNotMatch(bootstrapRoles, /GRANT service_role TO admin_runtime/);
  assert.match(compatibilityRoles, /grant service_role to service_runtime/);
  assert.match(compatibilityRoles, /revoke service_role from admin_runtime/);
  assert.doesNotMatch(compatibilityRoles, /grant service_role to admin_runtime/);
  assert.match(rbacMigration, /admin_runtime_service_role_membership_must_be_revoked_by_bootstrap/);
  assert.match(rbacMigration, /grant execute on function public\.admin_has_permission/);
  assert.match(rbacMigration, /public\.admin_read_customer_birth_data\(uuid, uuid\[\], text\)[\s\S]*to admin_runtime/);
});

test("last Owner revocations are serialized by one transaction advisory lock", () => {
  assert.match(rbacMigration, /pg_advisory_xact_lock\(1096040772, 1\)[\s\S]*v_owner_count/);
});