import apiClient from "./apiClient";

export type ClientStatus = "active" | "inactive";
export type ClientType = "private" | "pkce";

export type ClientSummary = {
  id: string;
  name: string;
  type: ClientType;
  status: ClientStatus;
  createdAt?: string;
  clientSecret?: string;
  tokenEndpointAuthMethod?: string;
  jwksUri?: string;
  backchannelLogoutUri?: string;
  backchannelLogoutSessionRequired?: boolean;
  redirectUris: string[];
  scopes: string[];
  metadata?: Record<string, unknown>;
};

export type ClientListResponse = {
  items: ClientSummary[];
  limit: number;
  offset: number;
};

export type TenantSummary = {
  id: string;
  type: string;
  parentId?: string | null;
  name: string;
  slug: string;
  description: string;
  status: string;
  domains?: string[];
  config?: Record<string, unknown>;
  memberCount: number;
  createdAt: string;
  updatedAt: string;
};

export type TenantListResponse = {
  items: TenantSummary[];
  limit: number;
  offset: number;
  total: number;
};

export type DevStats = {
  total_clients: number;
  active_sessions: number;
  auth_failures_24h: number;
};

export type RPUsageDailyMetric = {
  date: string;
  tenantId: string;
  tenantType: string;
  tenantName?: string;
  clientId: string;
  clientName: string;
  loginRequests: number;
  otherRequests: number;
  uniqueSubjects: number;
};

export type RPUsagePeriod = "day" | "week" | "month";

export type RPUsageDailyResponse = {
  items: RPUsageDailyMetric[];
  days: number;
  period: RPUsagePeriod;
  tenantId?: string;
};

export type DevAuditLog = {
  event_id: string;
  timestamp: string;
  user_id: string;
  event_type: string;
  status: string;
  ip_address: string;
  user_agent: string;
  device_id?: string;
  details?: string;
};

export type DevAuditLogListResponse = {
  items: DevAuditLog[];
  limit: number;
  cursor?: string;
  next_cursor?: string;
};

export type ClientEndpoints = {
  discovery: string;
  issuer: string;
  authorization: string;
  token: string;
  userinfo: string;
};

export type ClientDetailResponse = {
  client: ClientSummary & {
    clientSecret?: string;
    metadata?: Record<string, unknown>;
  };
  endpoints: ClientEndpoints;
  headlessJwksCache?: {
    clientId: string;
    jwksUri: string;
    cachedAt: string;
    expiresAt: string;
    lastCheckedAt?: string;
    lastSuccessfulVerificationAt?: string;
    lastRefreshStatus?: "success" | "failure" | "pending";
    lastError?: string;
    consecutiveFailures?: number;
    cachedKids?: string[];
    etag?: string;
    lastModified?: string;
    parsedKeys?: Array<{
      kid?: string;
      kty?: string;
      use?: string;
      alg?: string;
      n?: string;
    }>;
  };
};

export type ClientUpsertRequest = {
  id?: string;
  name?: string;
  type?: ClientType;
  status?: ClientStatus;
  redirectUris?: string[];
  scopes?: string[];
  grantTypes?: string[];
  responseTypes?: string[];
  tokenEndpointAuthMethod?: string;
  jwksUri?: string;
  backchannelLogoutUri?: string;
  backchannelLogoutSessionRequired?: boolean;
  metadata?: Record<string, unknown>;
};

export type ClientRelation = {
  relation: string;
  subject: string;
  subjectType: string;
  subjectId: string;
  userName?: string;
  userEmail?: string;
  userLoginId?: string;
};

export type ClientRelationListResponse = {
  items: ClientRelation[];
};

export type ClientRelationUpsertRequest = {
  relation: string;
  subject?: string;
  userId?: string;
};

export type DevAssignableUser = {
  id: string;
  name: string;
  email: string;
  loginId?: string;
};

export type DevAssignableUserListResponse = {
  items: DevAssignableUser[];
};

export type DevUserSummary = {
  id: string;
  email: string;
  loginId?: string;
  name: string;
  phone?: string;
  role: string;
  status: string;
  tenantSlug?: string;
  companyCode?: string;
  tenant?: TenantSummary;
  joinedTenants?: TenantSummary[];
  metadata?: Record<string, unknown>;
  department?: string;
  grade?: string;
  position?: string;
  jobTitle?: string;
  createdAt: string;
  updatedAt: string;
};

export type ConsentSummary = {
  subject: string;
  userName?: string;
  clientId: string;
  clientName?: string;
  grantedScopes: string[];
  authenticatedAt?: string;
  createdAt: string;
  deletedAt?: string;
  status: "active" | "revoked";
  tenantId?: string;
  tenantName?: string;
  rpMetadata?: Record<string, unknown>;
};

export type ConsentListResponse = {
  items: ConsentSummary[];
};

export type RPUserMetadataResponse = {
  clientId: string;
  userId: string;
  metadata: Record<string, unknown>;
};

// --- Federation / IdP Config Types ---
export type ProviderType = "oidc" | "saml";

export type IdpConfig = {
  id: string;
  client_id: string; // Changed from tenant_id
  provider_type: ProviderType;
  display_name: string;
  status: "active" | "inactive";
  issuer_url?: string;
  // OIDC specific fields
  oidc_client_id?: string;
  oidc_client_secret?: string;
  scopes?: string;
  // SAML specific fields
  metadata_url?: string;
  metadata_xml?: string;
  entity_id?: string;
  acs_url?: string;
  createdAt: string;
  updatedAt: string;
};

export type IdpConfigCreateRequest = Omit<
  IdpConfig,
  "id" | "createdAt" | "updatedAt"
>;
export type IdpConfigUpdateRequest = Partial<IdpConfigCreateRequest>;
// --- End Federation Types ---

export async function fetchClients() {
  const { data } = await apiClient.get<ClientListResponse>("/dev/clients");
  return data;
}

export async function fetchDevStats() {
  const { data } = await apiClient.get<DevStats>("/dev/stats");
  return data;
}

export async function fetchDevRPUsageDaily({
  days = 14,
  period = "day",
}: {
  days?: number;
  period?: RPUsagePeriod;
} = {}) {
  const { data } = await apiClient.get<RPUsageDailyResponse>(
    "/dev/rp-usage/daily",
    {
      params: { days, period },
    },
  );
  return data;
}

export async function fetchTenants(
  limit = 1000,
  offset = 0,
  parentId?: string,
) {
  const { data } = await apiClient.get<TenantListResponse>("/tenants", {
    params: { limit, offset, parentId },
  });
  return data;
}

export async function fetchClient(clientId: string) {
  const { data } = await apiClient.get<ClientDetailResponse>(
    `/dev/clients/${clientId}`,
  );
  return data;
}

export async function fetchClientRelations(clientId: string) {
  const { data } = await apiClient.get<ClientRelationListResponse>(
    `/dev/clients/${clientId}/relations`,
  );
  return data;
}

export async function fetchRPUserMetadata(clientId: string, userId: string) {
  const { data } = await apiClient.get<RPUserMetadataResponse>(
    `/dev/clients/${clientId}/users/${userId}/metadata`,
  );
  return data;
}

export async function updateRPUserMetadata(
  clientId: string,
  userId: string,
  metadata: Record<string, unknown>,
) {
  const { data } = await apiClient.put<RPUserMetadataResponse>(
    `/dev/clients/${clientId}/users/${userId}/metadata`,
    { metadata },
  );
  return data;
}

export async function fetchDevUsers(
  search: string,
  limit = 10,
  clientId?: string,
) {
  const { data } = await apiClient.get<DevAssignableUserListResponse>(
    "/dev/users",
    {
      params: { search, limit, clientId },
    },
  );
  return data;
}

export async function fetchDevUser(userId: string) {
  const { data } = await apiClient.get<DevUserSummary>(
    `/admin/users/${userId}`,
  );
  return data;
}

export async function addClientRelation(
  clientId: string,
  payload: ClientRelationUpsertRequest,
) {
  const { data } = await apiClient.post<ClientRelation>(
    `/dev/clients/${clientId}/relations`,
    payload,
  );
  return data;
}

export async function removeClientRelation(
  clientId: string,
  relation: string,
  subject: string,
) {
  await apiClient.delete(`/dev/clients/${clientId}/relations`, {
    params: { relation, subject },
  });
}

export async function updateClientStatus(
  clientId: string,
  status: ClientStatus,
) {
  const { data } = await apiClient.patch<ClientDetailResponse>(
    `/dev/clients/${clientId}/status`,
    { status },
  );
  return data;
}

export async function createClient(payload: ClientUpsertRequest) {
  const { data } = await apiClient.post<ClientDetailResponse>(
    "/dev/clients",
    payload,
  );
  return data;
}

export async function updateClient(
  clientId: string,
  payload: ClientUpsertRequest,
) {
  const { data } = await apiClient.put<ClientDetailResponse>(
    `/dev/clients/${clientId}`,
    payload,
  );
  return data;
}

export async function rotateClientSecret(clientId: string) {
  const { data } = await apiClient.post<ClientDetailResponse>(
    `/dev/clients/${clientId}/secret/rotate`,
  );
  return data;
}

export async function refreshHeadlessJwksCache(clientId: string) {
  const { data } = await apiClient.post<ClientDetailResponse>(
    `/dev/clients/${clientId}/headless-jwks/refresh`,
  );
  return data;
}

export async function revokeHeadlessJwksCache(clientId: string) {
  await apiClient.delete(`/dev/clients/${clientId}/headless-jwks/cache`);
}

export async function deleteClient(clientId: string) {
  await apiClient.delete(`/dev/clients/${clientId}`);
}

export async function fetchConsents(
  subject: string,
  clientId?: string,
  status?: string,
) {
  const params: Record<string, string> = { subject };
  if (clientId) {
    params.client_id = clientId;
  }
  if (status && status !== "all") {
    params.status = status;
  }
  const { data } = await apiClient.get<ConsentListResponse>("/dev/consents", {
    params,
  });
  return data;
}

export async function revokeConsent(subject: string, clientId?: string) {
  const params: Record<string, string> = { subject };
  if (clientId) {
    params.client_id = clientId;
  }
  await apiClient.delete("/dev/consents", { params });
}

// --- Federation / IdP Config API Calls ---

export async function listIdpConfigsForClient(clientId: string) {
  const { data } = await apiClient.get<IdpConfig[]>(
    `/dev/clients/${clientId}/idps`,
  );
  return data;
}

export async function createIdpConfigForClient(
  payload: IdpConfigCreateRequest,
) {
  const { data } = await apiClient.post<IdpConfig>(
    `/dev/clients/${payload.client_id}/idps`,
    payload,
  );
  return data;
}

export async function updateIdpConfig(
  clientId: string,
  idpId: string,
  payload: IdpConfigUpdateRequest,
) {
  const { data } = await apiClient.put<IdpConfig>(
    `/dev/clients/${clientId}/idps/${idpId}`,
    payload,
  );
  return data;
}

export async function deleteIdpConfig(clientId: string, idpId: string) {
  await apiClient.delete(`/dev/clients/${clientId}/idps/${idpId}`);
}

export async function fetchDevAuditLogs(
  limit = 50,
  cursor?: string,
  filters?: {
    action?: string;
    client_id?: string;
    status?: string;
    tenant_id?: string;
  },
) {
  const { data } = await apiClient.get<DevAuditLogListResponse>(
    "/dev/audit-logs",
    {
      params: {
        limit,
        cursor,
        action: filters?.action,
        client_id: filters?.client_id,
        status: filters?.status,
        tenant_id: filters?.tenant_id,
      },
    },
  );
  return data;
}

export type MyTenantSummary = Pick<TenantSummary, "id" | "name" | "slug"> &
  Partial<TenantSummary>;

export async function fetchMyTenants() {
  const { data } = await apiClient.get<MyTenantSummary[]>("/dev/my-tenants");
  return data;
}

// --- Developer Request API ---
export type DeveloperRequestStatus =
  | "pending"
  | "approved"
  | "rejected"
  | "cancelled"
  | "none";

export type DeveloperRequest = {
  id: number;
  userId: string;
  tenantId: string;
  name: string;
  organization: string;
  email?: string;
  phone?: string;
  role?: string;
  reason: string;
  accessPages?: string[];
  status: DeveloperRequestStatus;
  adminNotes?: string;
  createdAt: string;
  updatedAt: string;
};

export type DeveloperGrant = DeveloperRequest;

export type DeveloperAccessStatus = {
  status: DeveloperRequestStatus | "none";
  approvedPages?: string[];
  pendingPages?: string[];
};

export async function fetchDeveloperRequestStatus(tenantId?: string) {
  const { data } = await apiClient.get<DeveloperAccessStatus>(
    "/dev/developer-request/status",
    {
      params: { tenantId },
    },
  );
  return data;
}

export async function requestDeveloperAccess(payload: {
  name: string;
  organization: string;
  reason: string;
  tenantId: string;
  accessPages: string[];
}) {
  const { data } = await apiClient.post<{ status: string }>(
    "/dev/developer-request",
    payload,
  );
  return data;
}

export async function fetchDeveloperRequests(status?: string) {
  const { data } = await apiClient.get<DeveloperRequest[]>(
    "/dev/developer-request/list",
    {
      params: { status },
    },
  );
  return data;
}

export async function approveDeveloperRequest(id: number, adminNotes: string) {
  const { data } = await apiClient.post<{ status: string }>(
    `/dev/developer-request/${id}/approve`,
    { adminNotes },
  );
  return data;
}

export async function rejectDeveloperRequest(id: number, adminNotes: string) {
  const { data } = await apiClient.post<{ status: string }>(
    `/dev/developer-request/${id}/reject`,
    { adminNotes },
  );
  return data;
}

export async function cancelDeveloperRequestApproval(
  id: number,
  adminNotes: string,
) {
  const { data } = await apiClient.post<{ status: string }>(
    `/dev/developer-request/${id}/cancel-approval`,
    { adminNotes },
  );
  return data;
}

export async function fetchDeveloperGrants(tenantId?: string) {
  const { data } = await apiClient.get<DeveloperGrant[]>(
    "/dev/developer-grants",
    {
      params: { tenantId },
    },
  );
  return data;
}

export async function createDeveloperGrant(payload: {
  userId: string;
  tenantId: string;
  reason?: string;
  adminNotes?: string;
  accessPages: string[];
}) {
  const { data } = await apiClient.post<DeveloperGrant>(
    "/dev/developer-grants",
    payload,
  );
  return data;
}

export async function revokeDeveloperGrant(id: number, adminNotes: string) {
  const { data } = await apiClient.post<{ status: string }>(
    `/dev/developer-grants/${id}/revoke`,
    { adminNotes },
  );
  return data;
}