import type {BiDiLogLevel, LogEntryAddedEvent, ContextUpdatedEvent} from './types';
import {NATIVE_WIN} from '../context/helpers';
import {
  CONTEXT_UPDATED_EVENT,
  LOG_ENTRY_ADDED_EVENT,
  CONTEXT_UPDATED_EVENT_OBSOLETE,
} from './constants';
import type {LogEntry} from 'appium-adb';

function toContextUpdatedEvent(method: string, contextName: string): ContextUpdatedEvent {
  return {
    method,
    params: {
      name: contextName,
      type: contextName === NATIVE_WIN ? 'NATIVE' : 'WEB',
    },
  };
}

export const makeContextUpdatedEvent = (contextName: string, domain: string) =>
  toContextUpdatedEvent(CONTEXT_UPDATED_EVENT(domain), contextName);

/**
 * @deprecated Use {@link makeContextUpdatedEvent} instead
 */
export const makeObsoleteContextUpdatedEvent = (contextName: string) =>
  toContextUpdatedEvent(CONTEXT_UPDATED_EVENT_OBSOLETE, contextName);

/**
 * Builds a BiDi `log.entryAdded` event from a logcat entry.
 *
 * @param entry - Raw log line from the device
 * @param context - Active session context name
 * @param type - Log entry classification passed through to the event
 */
export function makeLogEntryAddedEvent(
  entry: LogEntry,
  context: string,
  type: string,
): LogEntryAddedEvent {
  return {
    context,
    method: LOG_ENTRY_ADDED_EVENT,
    params: {
      type,
      level: adjustLogLevel(entry.level),
      source: {
        realm: '',
        context,
      },
      text: entry.message,
      timestamp: entry.timestamp,
    },
  };
}

function adjustLogLevel(originalLevel: string): BiDiLogLevel {
  const originalLevelLc = originalLevel?.toLowerCase();
  switch (originalLevelLc) {
    case 'debug':
    case 'info':
    case 'warn':
    case 'error':
      return originalLevelLc as BiDiLogLevel;
    default:
      return 'info';
  }
}