/** Types for the ERPNext commands (see src-tauri/src/commands/erpnext.rs); the UI helpers live in erpnextUi.ts. */

export type ErpnextNamingMode = "mirror" | "series";

/** What the backend returns. The API secret is never included: `apiSecretSet` says whether one is stored. */
export interface ErpnextConfig {
  baseUrl: string;
  apiKey: string;
  apiSecretSet: boolean;
  extraCaPem: string;
  company: string;
  companyAddress: string;
  namingMode: ErpnextNamingMode;
  namingSeries: string;
  incomeAccount: string;
  costCenter: string;
  cgstAccount: string;
  sgstAccount: string;
  utgstAccount: string;
  igstAccount: string;
  taxTemplateIntra: string;
  taxTemplateInter: string;
  paymentBankAccount: string;
  tdsAccount: string;
  defaultItemCode: string;
  /** Voiced unit (second, minute, hour, session, unit) to ERPNext UOM. */
  uomMap: Record<string, string>;
  customerGroup: string;
  territory: string;
  sellingPriceList: string;
  submitOnPush: boolean;
  attachPdf: boolean;
  autoPushOnIssue: boolean;
  createMissingCustomers: boolean;
  /** The last connection test, or null if none was stored. */
  lastDetectResult: ErpnextConnectionTest | null;
}

/**
 * What the webview sends to save or test. A blank `apiSecret` keeps the stored secret, a value replaces it,
 * and `clearSecret` removes it. `lastDetectResult` omitted keeps the stored one.
 */
export type ErpnextConfigInput = Omit<ErpnextConfig, "apiSecretSet" | "lastDetectResult"> & {
  apiSecret: string;
  clearSecret?: boolean;
  lastDetectResult?: ErpnextConnectionTest | null;
};

export interface ErpnextWarning {
  code: string;
  message: string;
}

export interface ErpnextVersions {
  frappe: string | null;
  erpnext: string | null;
  indiaCompliance: string | null;
}

export interface ErpnextConnectionTest {
  user: string;
  versions: ErpnextVersions;
  features: { v2Naming: boolean; indiaCompliance: boolean };
  indiaCompliance: boolean;
  warnings: ErpnextWarning[];
}

export interface ErpnextOptionItem {
  /** The value to store (the document name). */
  name: string;
  label: string;
  detail: string;
}

export interface ErpnextOptions {
  companies: ErpnextOptionItem[];
  companyAddresses: ErpnextOptionItem[];
  incomeAccounts: ErpnextOptionItem[];
  taxAccounts: ErpnextOptionItem[];
  taxTemplates: ErpnextOptionItem[];
  namingSeries: ErpnextOptionItem[];
  itemGroups: ErpnextOptionItem[];
  uoms: ErpnextOptionItem[];
  costCenters: ErpnextOptionItem[];
  priceLists: ErpnextOptionItem[];
  customerGroups: ErpnextOptionItem[];
  territories: ErpnextOptionItem[];
  /** Lists that failed to load; the others are still filled. */
  errors: { list: string; message: string }[];
}

export type ErpnextErrorKind =
  | "auth"
  | "permission"
  | "not_found"
  | "duplicate"
  | "validation"
  | "rate_limit"
  | "server"
  | "timeout"
  | "network"
  | "config"
  | "protocol"
  | "conflict"
  | "precondition"
  | "other";

/** `refused`: nothing was sent and nothing was recorded (a draft or cancelled invoice). */
export type ErpnextPushStatus = "synced" | "error" | "conflict" | "refused";

export interface ErpnextPushResult {
  invoiceId: number;
  number: string;
  ok: boolean;
  status: ErpnextPushStatus;
  remoteName: string;
  /** 0 draft, 1 submitted. */
  remoteDocstatus: number;
  /** Created by this call, not found already there. */
  created: boolean;
  /** Already synced with the same payload; nothing was done. */
  noOp: boolean;
  /** The archived PDF is attached on the remote document. */
  attached: boolean;
  error: string | null;
  errorKind: ErpnextErrorKind | null;
  /** Non-fatal notes, e.g. sent without the PDF because the invoice is not archived. */
  warnings: string[];
}

export interface ErpnextPaymentPushResult {
  paymentId: number;
  invoiceId: number;
  ok: boolean;
  entryName: string | null;
  /** Sent earlier; nothing was posted. */
  alreadySynced: boolean;
  error: string | null;
  errorKind: ErpnextErrorKind | null;
}

/** `none` until something was pushed. */
export type ErpnextSyncState = "none" | "pending" | "synced" | "error" | "conflict";

export interface ErpnextSyncStatus {
  invoiceId: number;
  status: ErpnextSyncState;
  remoteName: string;
  /** 0 draft, 1 submitted. */
  remoteDocstatus: number;
  lastError: string;
  syncedAt: string | null;
  attached: boolean;
}