export type FanavaranClientKey = "parsian" | "tejaratno";

export const FANAVARAN_CLIENT_KEYS: readonly FanavaranClientKey[] = [
  "parsian",
  "tejaratno",
] as const;

export function isFanavaranClientKey(
  value: string,
): value is FanavaranClientKey {
  const normalized = value?.trim().toLowerCase();
  return normalized === "parsian" || normalized === "tejaratno";
}

export function normalizeFanavaranClientKey(value: string): FanavaranClientKey {
  const normalized = value?.trim().toLowerCase();
  if (normalized === "parsian" || normalized === "tejaratno") {
    return normalized;
  }
  throw new Error(
    `Invalid Fanavaran client "${value}". Expected one of: ${FANAVARAN_CLIENT_KEYS.join(", ")}`,
  );
}

export interface FanavaranAuthConfig {
  appName: string;
  secret: string;
  username: string;
  password: string;
  corpId: string;
  contractId: string;
  location: string;
}

export interface FanavaranPayloadDefaults {
  AccidentCityId: number;
  AccidentReportTypeId: number;
  AccidentVehicleUsedId: number;
  ClaimExpertId: number;
  ExpertiseClaimExpertId: number;
  CompensationReferenceId: number;
  CulpritLicenceTypeId: number;
  CulpritTypeId: number;
  DmgCaseTypeId: number;
  DmgHistoryStatus: number;
  PlaqueKindId: number;
  PlaqueSampleId: number;
  DriverIsOwner: number;
  FaultPercent: number;
  ClaimFileTypeId: number;
}

export interface FanavaranClientProfile {
  key: FanavaranClientKey;
  auth: FanavaranAuthConfig;
  defaults: FanavaranPayloadDefaults;
}

const FANAVARAN_CLIENT_PROFILES: Record<
  FanavaranClientKey,
  FanavaranClientProfile
> = {
  tejaratno: {
    key: "tejaratno",
    auth: {
      appName: "fanhab",
      secret: "5Fa@N#A2B",
      username: "fanhabUser",
      password: "Fan#@2U$3er",
      corpId: "3539",
      contractId: "263",
      location: "100",
    },
    defaults: {
      AccidentCityId: 701,
      AccidentReportTypeId: 155,
      AccidentVehicleUsedId: 1,
      ClaimExpertId: 4543092,
      ExpertiseClaimExpertId: 4543092,
      CompensationReferenceId: 167,
      CulpritLicenceTypeId: 2,
      CulpritTypeId: 337,
      DmgCaseTypeId: 175,
      DmgHistoryStatus: 5214,
      PlaqueKindId: 8,
      PlaqueSampleId: 10,
      DriverIsOwner: 0,
      FaultPercent: 100,
      ClaimFileTypeId: 23,
    },
  },
  parsian: {
    key: "parsian",
    auth: {
      appName: "ParsianService",
      secret: "P@r30@n$erv!ce",
      username: "ParsianServiceUser",
      password: "P@r30@n123",
      corpId: "543",
      contractId: "28",
      location: "210050",
    },
    defaults: {
      AccidentCityId: 701,
      AccidentReportTypeId: 155,
      AccidentVehicleUsedId: 1,
      ClaimExpertId: 154,
      ExpertiseClaimExpertId: 29,
      CompensationReferenceId: 167,
      CulpritLicenceTypeId: 2,
      CulpritTypeId: 337,
      DmgCaseTypeId: 175,
      DmgHistoryStatus: 5214,
      PlaqueKindId: 8,
      PlaqueSampleId: 10,
      DriverIsOwner: 0,
      FaultPercent: 100,
      ClaimFileTypeId: 70,
    },
  },
};

/** Resolve active Fanavaran tenant from env (`FANAVARAN_CLIENT`) with optional CLIENT_ID fallback. */
export function resolveFanavaranClientKey(): FanavaranClientKey {
  const explicit = process.env.FANAVARAN_CLIENT?.trim().toLowerCase();
  if (explicit === "parsian" || explicit === "tejaratno") {
    return explicit;
  }

  // Optional deployment hint when FANAVARAN_CLIENT is not set.
  if (String(process.env.CLIENT_ID ?? "") === "8") {
    return "parsian";
  }

  return "tejaratno";
}

export function resolveFanavaranClientProfile(): FanavaranClientProfile {
  return FANAVARAN_CLIENT_PROFILES[resolveFanavaranClientKey()];
}

export function getFanavaranClientProfile(
  clientKey: FanavaranClientKey,
): FanavaranClientProfile {
  return FANAVARAN_CLIENT_PROFILES[clientKey];
}

export function listFanavaranClientProfiles(): FanavaranClientProfile[] {
  return FANAVARAN_CLIENT_KEYS.map((key) => FANAVARAN_CLIENT_PROFILES[key]);
}

export function fanavaranPreviewPath(
  clientKey: FanavaranClientKey,
  claimCaseId: string,
): string {
  return `/v2/fanavaran/${clientKey}/claim-cases/${claimCaseId}/base-claim/preview`;
}

export function fanavaranSubmitPath(
  clientKey: FanavaranClientKey,
  claimCaseId: string,
): string {
  return `/v2/fanavaran/${clientKey}/claim-cases/${claimCaseId}/base-claim/submit`;
}

export function fanavaranManualSubmitPath(claimCaseId: string): string {
  return fanavaranSubmitPath(resolveFanavaranClientKey(), claimCaseId);
}