import { z } from 'zod';

/**
 * OTel severity number mapping (subset):
 * TRACE=1, DEBUG=5, INFO=9, WARN=13, ERROR=17, FATAL=21
 */
export const SEVERITY_TEXT_TO_NUMBER: Record<string, number> = {
  trace: 1,
  debug: 5,
  info: 9,
  warn: 13,
  warning: 13,
  error: 17,
  fatal: 21,
  critical: 21,
};

export const zSeverityText = z.enum([
  'trace',
  'debug',
  'info',
  'warn',
  'warning',
  'error',
  'fatal',
  'critical',
]);

export type ISeverityText = z.infer<typeof zSeverityText>;

export const zLogPayload = z.object({
  /** Log message / body */
  body: z.string().min(1),
  /** Severity level as text */
  severity: zSeverityText.default('info'),
  /** Optional override for the numeric OTel severity (1-24) */
  severityNumber: z.number().int().min(1).max(24).optional(),
  /** ISO 8601 timestamp; defaults to server receive time if omitted */
  timestamp: z.string().datetime({ offset: true }).optional(),
  /** Logger name (e.g. "com.example.MyActivity") */
  loggerName: z.string().optional(),
  /** W3C trace context */
  traceId: z.string().optional(),
  spanId: z.string().optional(),
  traceFlags: z.number().int().min(0).optional(),
  /** Log-level key-value attributes */
  attributes: z.record(z.string(), z.string()).optional(),
  /** Resource/device attributes (app version, runtime, etc.) */
  resource: z.record(z.string(), z.string()).optional(),
  /** Profile/user ID to associate with this log */
  profileId: z.union([z.string().min(1), z.number()]).optional(),
});

export type ILogPayload = z.infer<typeof zLogPayload>;

export const zLogBatchPayload = z.object({
  logs: z.array(zLogPayload).min(1).max(500),
});

export type ILogBatchPayload = z.infer<typeof zLogBatchPayload>;