// Copyright (c) 2026 Gordon Bolton. MIT License.
const axios = require('axios');
const ArrRetriever = require('./ArrRetriever');
const { logToFile } = require('../utils/logger');

/**
 * Polling-based Radarr data retriever.
 * Implements the ArrRetriever interface using direct HTTP polling.
 */
class PollingRadarrRetriever extends ArrRetriever {
  constructor(instanceConfig) {
    super(instanceConfig);
  }

  getRetrieverType() {
    return 'radarr';
  }

  /**
   * Get tags from Radarr instance
   * @param {Object} instanceConfig - Configuration for the instance
   * @returns {Promise<Array>} Array of tag objects
   */
  async getTags(instanceConfig) {
    try {
      const response = await axios.get(`${instanceConfig.url}/api/v3/tag`, {
        headers: { 'X-Api-Key': instanceConfig.apiKey }
      });
      return response.data;
    } catch (error) {
      logToFile(`[PollingRadarrRetriever] ${instanceConfig.id} tags error: ${error.message}`);
      return [];
    }
  }

  /**
   * Get queue from Radarr instance
   * @param {Object} instanceConfig - Configuration for the instance
   * @returns {Promise<Object>} Queue object with records array
   */
  async getQueue(instanceConfig) {
    try {
      const response = await axios.get(`${instanceConfig.url}/api/v3/queue`, {
        headers: { 'X-Api-Key': instanceConfig.apiKey },
        params: { includeMovie: true }
      });
      return response.data;
    } catch (error) {
      logToFile(`[PollingRadarrRetriever] ${instanceConfig.id} queue error: ${error.message}`);
      return { records: [] };
    }
  }

  /**
   * Get history from Radarr instance
   * @param {Object} instanceConfig - Configuration for the instance
   * @param {Object} options - Optional parameters for history fetch
   * @param {number} [options.pageSize=10] - Number of records to fetch
   * @param {string} [options.sortKey] - Field to sort by
   * @param {string} [options.sortDir] - Sort direction ('ascending' or 'descending')
   * @param {boolean} [options.includeMovie=true] - Include movie data
   * @param {string} [options.startDate] - ISO date string for filtering
   * @returns {Promise<Object>} History object with records array
   */
  async getHistory(instanceConfig, options = {}) {
    const {
      pageSize = 10,
      sortKey,
      sortDir,
      includeMovie = true,
      startDate
    } = options;

    try {
      const params = {
        pageSize,
        includeMovie
      };

      if (sortKey) params.sortKey = sortKey;
      if (sortDir) params.sortDir = sortDir;
      if (startDate) params.startDate = startDate;

      const response = await axios.get(`${instanceConfig.url}/api/v3/history`, {
        headers: { 'X-Api-Key': instanceConfig.apiKey },
        params
      });
      return response.data;
    } catch (error) {
      logToFile(`[PollingRadarrRetriever] ${instanceConfig.id} history error: ${error.message}`);
      return { records: [] };
    }
  }
}

module.exports = PollingRadarrRetriever;