// Copyright (c) 2026 Gordon Bolton. MIT License.

import { state } from '../state.js';

// Migration from old single-select to new multi-select format
(function migrateDownloadClientFilter() {
  const oldSelection = localStorage.getItem('sofarr-download-client');
  if (oldSelection && oldSelection !== 'all') {
    try {
      state.selectedDownloadClients = [oldSelection];
      localStorage.setItem('sofarr-download-clients', JSON.stringify(state.selectedDownloadClients));
      localStorage.removeItem('sofarr-download-client');
    } catch (e) {
      console.error('[Migration] Failed to migrate download client filter:', e);
    }
  } else {
    try {
      const newSelection = localStorage.getItem('sofarr-download-clients');
      state.selectedDownloadClients = newSelection ? JSON.parse(newSelection) : [];
    } catch (e) {
      console.error('[Migration] Failed to load download client filter:', e);
      state.selectedDownloadClients = [];
    }
  }
})();

// Load history days from localStorage
(function loadHistorySettings() {
  try {
    const savedDays = localStorage.getItem('sofarr-history-days');
    if (savedDays) {
      state.historyDays = parseInt(savedDays, 10) || 7;
    }
  } catch (e) {
    console.error('[Storage] Failed to load history days:', e);
  }
})();

// Load ignore available setting from localStorage
(function loadIgnoreAvailable() {
  try {
    const saved = localStorage.getItem('sofarr-ignore-available');
    state.ignoreAvailable = saved === 'true';
  } catch (e) {
    console.error('[Storage] Failed to load ignore available:', e);
  }
})();

// Load request filter preferences from localStorage
(function loadRequestFilters() {
  try {
    const savedTypes = localStorage.getItem('sofarr-request-types');
    if (savedTypes) state.selectedRequestTypes = JSON.parse(savedTypes);
  } catch (e) {
    console.error('[Storage] Failed to load request types:', e);
    state.selectedRequestTypes = ['movie', 'tv'];
  }

  try {
    const savedStatuses = localStorage.getItem('sofarr-request-statuses');
    if (savedStatuses) state.selectedRequestStatuses = JSON.parse(savedStatuses);
  } catch (e) {
    console.error('[Storage] Failed to load request statuses:', e);
    state.selectedRequestStatuses = [];
  }

  try {
    const savedSort = localStorage.getItem('sofarr-request-sort');
    if (savedSort) state.requestSortMode = savedSort;
  } catch (e) {
    console.error('[Storage] Failed to load request sort:', e);
    state.requestSortMode = 'requestedDate_desc';
  }

  try {
    const savedSearch = localStorage.getItem('sofarr-request-search');
    if (savedSearch !== null) state.requestSearchQuery = savedSearch;
  } catch (e) {
    console.error('[Storage] Failed to load request search:', e);
    state.requestSearchQuery = '';
  }
})();

// Export helper functions for localStorage operations
export function saveHistoryDays(days) {
  localStorage.setItem('sofarr-history-days', days);
}

export function saveIgnoreAvailable(value) {
  localStorage.setItem('sofarr-ignore-available', value);
}

export function saveDownloadClients(clients) {
  localStorage.setItem('sofarr-download-clients', JSON.stringify(clients));
}

export function getTheme() {
  return localStorage.getItem('sofarr-theme') || 'light';
}

export function saveTheme(theme) {
  localStorage.setItem('sofarr-theme', theme);
}

export function getActiveTab() {
  return localStorage.getItem('sofarr-active-tab') || 'downloads';
}

export function saveActiveTab(tab) {
  localStorage.setItem('sofarr-active-tab', tab);
}

export function saveRequestTypes(types) {
  localStorage.setItem('sofarr-request-types', JSON.stringify(types));
}

export function saveRequestStatuses(statuses) {
  localStorage.setItem('sofarr-request-statuses', JSON.stringify(statuses));
}

export function saveRequestSort(sort) {
  localStorage.setItem('sofarr-request-sort', sort);
}

export function saveRequestSearch(query) {
  localStorage.setItem('sofarr-request-search', query);
}