let customJavaCheck;
let customJavaOptions;
let customJavaPath;
let browseJavaBtn;
let settingsPlayerName;
let discordRPCCheck;

// UUID Management elements
let currentUuidDisplay;
let copyUuidBtn;
let regenerateUuidBtn;
let manageUuidsBtn;
let uuidModal;
let uuidModalClose;
let modalCurrentUuid;
let modalCopyUuidBtn;
let modalRegenerateUuidBtn;
let generateNewUuidBtn;
let uuidList;
let customUuidInput;
let setCustomUuidBtn;

function showCustomConfirm(message, title = 'Confirm Action', onConfirm, onCancel = null, confirmText = 'Confirm', cancelText = 'Cancel') {
  const existingModal = document.querySelector('.custom-confirm-modal');
  if (existingModal) {
    existingModal.remove();
  }

  const modal = document.createElement('div');
  modal.className = 'custom-confirm-modal';
  modal.style.cssText = `
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    z-index: 20000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
  `;

  const dialog = document.createElement('div');
  dialog.className = 'custom-confirm-dialog';
  dialog.style.cssText = `
    background: #1f2937;
    border-radius: 12px;
    padding: 0;
    min-width: 400px;
    max-width: 500px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(147, 51, 234, 0.3);
    transform: scale(0.9);
    transition: transform 0.3s ease;
  `;

  dialog.innerHTML = `
    <div style="padding: 24px; border-bottom: 1px solid rgba(255,255,255,0.1);">
      <div style="display: flex; align-items: center; gap: 12px; color: #9333ea;">
        <i class="fas fa-exclamation-triangle" style="font-size: 24px;"></i>
        <h3 style="margin: 0; font-size: 1.2rem; font-weight: 600;">${title}</h3>
      </div>
    </div>
    <div style="padding: 24px; color: #e5e7eb;">
      <p style="margin: 0; line-height: 1.5; font-size: 1rem;">${message}</p>
    </div>
    <div style="padding: 20px 24px; display: flex; gap: 12px; justify-content: flex-end; border-top: 1px solid rgba(255,255,255,0.1);">
      <button class="custom-confirm-cancel" style="
        background: transparent;
        color: #9ca3af;
        border: 1px solid rgba(156, 163, 175, 0.3);
        padding: 10px 20px;
        border-radius: 6px;
        cursor: pointer;
        font-weight: 500;
        transition: all 0.2s;
      ">${cancelText}</button>
      <button class="custom-confirm-action" style="
        background: linear-gradient(135deg, #9333ea, #3b82f6);
        color: white;
        border: none;
        padding: 10px 20px;
        border-radius: 6px;
        cursor: pointer;
        font-weight: 500;
        transition: all 0.2s;
      ">${confirmText}</button>
    </div>
  `;

  modal.appendChild(dialog);
  document.body.appendChild(modal);

  // Animate in
  setTimeout(() => {
    modal.style.opacity = '1';
    dialog.style.transform = 'scale(1)';
  }, 10);

  // Event handlers
  const cancelBtn = dialog.querySelector('.custom-confirm-cancel');
  const actionBtn = dialog.querySelector('.custom-confirm-action');

  const closeModal = () => {
    modal.style.opacity = '0';
    dialog.style.transform = 'scale(0.9)';
    setTimeout(() => {
      modal.remove();
    }, 300);
  };

  cancelBtn.onclick = () => {
    closeModal();
    if (onCancel) onCancel();
  };

  actionBtn.onclick = () => {
    closeModal();
    onConfirm();
  };

  modal.onclick = (e) => {
    if (e.target === modal) {
      closeModal();
      if (onCancel) onCancel();
    }
  };

  // Escape key
  const handleEscape = (e) => {
    if (e.key === 'Escape') {
      closeModal();
      if (onCancel) onCancel();
      document.removeEventListener('keydown', handleEscape);
    }
  };
  document.addEventListener('keydown', handleEscape);
}

export function initSettings() {
  setupSettingsElements();
  loadAllSettings();
}

function setupSettingsElements() {
  customJavaCheck = document.getElementById('customJavaCheck');
  customJavaOptions = document.getElementById('customJavaOptions');
  customJavaPath = document.getElementById('customJavaPath');
  browseJavaBtn = document.getElementById('browseJavaBtn');
  settingsPlayerName = document.getElementById('settingsPlayerName');
  discordRPCCheck = document.getElementById('discordRPCCheck');

  // UUID Management elements
  currentUuidDisplay = document.getElementById('currentUuid');
  copyUuidBtn = document.getElementById('copyUuidBtn');
  regenerateUuidBtn = document.getElementById('regenerateUuidBtn');
  manageUuidsBtn = document.getElementById('manageUuidsBtn');
  uuidModal = document.getElementById('uuidModal');
  uuidModalClose = document.getElementById('uuidModalClose');
  modalCurrentUuid = document.getElementById('modalCurrentUuid');
  modalCopyUuidBtn = document.getElementById('modalCopyUuidBtn');
  modalRegenerateUuidBtn = document.getElementById('modalRegenerateUuidBtn');
  generateNewUuidBtn = document.getElementById('generateNewUuidBtn');
  uuidList = document.getElementById('uuidList');
  customUuidInput = document.getElementById('customUuidInput');
  setCustomUuidBtn = document.getElementById('setCustomUuidBtn');

  if (customJavaCheck) {
    customJavaCheck.addEventListener('change', toggleCustomJava);
  }

  if (browseJavaBtn) {
    browseJavaBtn.addEventListener('click', browseJavaPath);
  }

  if (settingsPlayerName) {
    settingsPlayerName.addEventListener('change', savePlayerName);
  }

  if (discordRPCCheck) {
    discordRPCCheck.addEventListener('change', saveDiscordRPC);
  }

  // UUID event listeners
  if (copyUuidBtn) {
    copyUuidBtn.addEventListener('click', copyCurrentUuid);
  }

  if (regenerateUuidBtn) {
    regenerateUuidBtn.addEventListener('click', regenerateCurrentUuid);
  }

  if (manageUuidsBtn) {
    manageUuidsBtn.addEventListener('click', openUuidModal);
  }

  if (uuidModalClose) {
    uuidModalClose.addEventListener('click', closeUuidModal);
  }

  if (modalCopyUuidBtn) {
    modalCopyUuidBtn.addEventListener('click', copyCurrentUuid);
  }

  if (modalRegenerateUuidBtn) {
    modalRegenerateUuidBtn.addEventListener('click', regenerateCurrentUuid);
  }

  if (generateNewUuidBtn) {
    generateNewUuidBtn.addEventListener('click', generateNewUuid);
  }

  if (setCustomUuidBtn) {
    setCustomUuidBtn.addEventListener('click', setCustomUuid);
  }

  if (uuidModal) {
    uuidModal.addEventListener('click', (e) => {
      if (e.target === uuidModal) {
        closeUuidModal();
      }
    });
  }
}

function toggleCustomJava() {
  if (!customJavaOptions) return;
  
  if (customJavaCheck && customJavaCheck.checked) {
    customJavaOptions.style.display = 'block';
  } else {
    customJavaOptions.style.display = 'none';
    if (customJavaPath) customJavaPath.value = '';
    saveCustomJavaPath('');
  }
}

async function browseJavaPath() {
  try {
    if (window.electronAPI && window.electronAPI.browseJavaPath) {
      const result = await window.electronAPI.browseJavaPath();
      if (result && result.filePaths && result.filePaths.length > 0) {
        const selectedPath = result.filePaths[0];
        if (customJavaPath) {
          customJavaPath.value = selectedPath;
        }
        await saveCustomJavaPath(selectedPath);
      }
    }
  } catch (error) {
    console.error('Error browsing Java path:', error);
  }
}

async function saveCustomJavaPath(path) {
  try {
    if (window.electronAPI && window.electronAPI.saveJavaPath) {
      await window.electronAPI.saveJavaPath(path);
    }
  } catch (error) {
    console.error('Error saving custom Java path:', error);
  }
}

async function loadCustomJavaPath() {
  try {
    if (window.electronAPI && window.electronAPI.loadJavaPath) {
      const savedPath = await window.electronAPI.loadJavaPath();
      if (savedPath && savedPath.trim()) {
        if (customJavaPath) {
          customJavaPath.value = savedPath;
        }
        if (customJavaCheck) {
          customJavaCheck.checked = true;
        }
        if (customJavaOptions) {
          customJavaOptions.style.display = 'block';
        }
      }
    }
  } catch (error) {
    console.error('Error loading custom Java path:', error);
  }
}

async function saveDiscordRPC() {
  try {
    if (window.electronAPI && window.electronAPI.saveDiscordRPC && discordRPCCheck) {
      const enabled = discordRPCCheck.checked;
      console.log('Saving Discord RPC setting:', enabled);
      
      const result = await window.electronAPI.saveDiscordRPC(enabled);
      
      if (result && result.success) {
        console.log('Discord RPC setting saved successfully:', enabled);
        
        // Feedback visuel pour l'utilisateur
        if (enabled) {
          showNotification('Discord Rich Presence enabled', 'success');
        } else {
          showNotification('Discord Rich Presence disabled', 'success');
        }
      } else {
        throw new Error('Failed to save Discord RPC setting');
      }
    }
  } catch (error) {
    console.error('Error saving Discord RPC setting:', error);
    showNotification('Failed to save Discord setting', 'error');
  }
}

async function loadDiscordRPC() {
  try {
    if (window.electronAPI && window.electronAPI.loadDiscordRPC) {
      const enabled = await window.electronAPI.loadDiscordRPC();
      if (discordRPCCheck) {
        discordRPCCheck.checked = enabled;
      }
    }
  } catch (error) {
    console.error('Error loading Discord RPC setting:', error);
  }
}

async function savePlayerName() {
  try {
    if (!window.electronAPI || !settingsPlayerName) return;
    
    const playerName = settingsPlayerName.value.trim();
    
    if (!playerName) {
      showNotification('Please enter a valid player name', 'error');
      return;
    }

    await window.electronAPI.saveUsername(playerName);
    showNotification('Player name saved successfully', 'success');
    
  } catch (error) {
    console.error('Error saving player name:', error);
    showNotification('Failed to save player name', 'error');
  }
}

async function loadPlayerName() {
  try {
    if (!window.electronAPI || !settingsPlayerName) return;
    
    const savedName = await window.electronAPI.loadUsername();
    if (savedName) {
      settingsPlayerName.value = savedName;
    }
  } catch (error) {
    console.error('Error loading player name:', error);
  }
}

async function loadAllSettings() {
  await loadCustomJavaPath();
  await loadPlayerName();
  await loadCurrentUuid();
  await loadDiscordRPC();
}

async function openGameLocation() {
  try {
    if (window.electronAPI && window.electronAPI.openGameLocation) {
      await window.electronAPI.openGameLocation();
    }
  } catch (error) {
    console.error('Error opening game location:', error);
  }
}

export function getCurrentJavaPath() {
  if (customJavaCheck && customJavaCheck.checked && customJavaPath) {
    return customJavaPath.value.trim();
  }
  return '';
}


export function getCurrentPlayerName() {
  if (settingsPlayerName && settingsPlayerName.value.trim()) {
    return settingsPlayerName.value.trim();
  }
  return 'Player';
}

window.openGameLocation = openGameLocation;

document.addEventListener('DOMContentLoaded', initSettings);

window.SettingsAPI = {
  getCurrentJavaPath,
  getCurrentPlayerName
};

async function loadCurrentUuid() {
  try {
    if (window.electronAPI && window.electronAPI.getCurrentUuid) {
      const uuid = await window.electronAPI.getCurrentUuid();
      if (uuid) {
        if (currentUuidDisplay) currentUuidDisplay.value = uuid;
        if (modalCurrentUuid) modalCurrentUuid.value = uuid;
      }
    }
  } catch (error) {
    console.error('Error loading current UUID:', error);
  }
}

async function copyCurrentUuid() {
  try {
    const uuid = currentUuidDisplay ? currentUuidDisplay.value : modalCurrentUuid?.value;
    if (uuid && navigator.clipboard) {
      await navigator.clipboard.writeText(uuid);
      showNotification('UUID copied to clipboard!', 'success');
    }
  } catch (error) {
    console.error('Error copying UUID:', error);
    showNotification('Failed to copy UUID', 'error');
  }
}

async function regenerateCurrentUuid() {
  try {
    if (window.electronAPI && window.electronAPI.resetCurrentUserUuid) {
      showCustomConfirm(
        'Are you sure you want to generate a new UUID? This will change your player identity.',
        'Generate New UUID',
        async () => {
          await performRegenerateUuid();
        },
        null,
        'Generate',
        'Cancel'
      );
    } else {
      console.error('electronAPI.resetCurrentUserUuid not available');
      showNotification('UUID regeneration not available', 'error');
    }
  } catch (error) {
    console.error('Error in regenerateCurrentUuid:', error);
    showNotification('Failed to regenerate UUID', 'error');
  }
}

async function performRegenerateUuid() {
  try {
    const result = await window.electronAPI.resetCurrentUserUuid();
    if (result.success && result.uuid) {
      if (currentUuidDisplay) currentUuidDisplay.value = result.uuid;
      if (modalCurrentUuid) modalCurrentUuid.value = result.uuid;
      showNotification('New UUID generated successfully!', 'success');
      
      if (uuidModal && uuidModal.style.display !== 'none') {
        await loadAllUuids();
      }
    } else {
      throw new Error(result.error || 'Failed to generate new UUID');
    }
  } catch (error) {
    console.error('Error regenerating UUID:', error);
    showNotification(`Failed to regenerate UUID: ${error.message}`, 'error');
  }
}

async function openUuidModal() {
  try {
    if (uuidModal) {
      uuidModal.style.display = 'flex';
      uuidModal.classList.add('active');
      await loadAllUuids();
    }
  } catch (error) {
    console.error('Error opening UUID modal:', error);
  }
}

function closeUuidModal() {
  if (uuidModal) {
    uuidModal.classList.remove('active');
    setTimeout(() => {
      uuidModal.style.display = 'none';
    }, 300);
  }
}

async function loadAllUuids() {
  try {
    if (!uuidList) return;
    
    uuidList.innerHTML = `
      <div class="uuid-loading">
        <i class="fas fa-spinner fa-spin"></i>
        Loading UUIDs...
      </div>
    `;

    if (window.electronAPI && window.electronAPI.getAllUuidMappings) {
      const mappings = await window.electronAPI.getAllUuidMappings();
      
      if (mappings.length === 0) {
        uuidList.innerHTML = `
          <div class="uuid-loading">
            <i class="fas fa-info-circle"></i>
            No UUIDs found
          </div>
        `;
        return;
      }

      uuidList.innerHTML = '';
      
      for (const mapping of mappings) {
        const item = document.createElement('div');
        item.className = `uuid-list-item${mapping.isCurrent ? ' current' : ''}`;
        
        item.innerHTML = `
          <div class="uuid-item-info">
            <div class="uuid-item-username">${escapeHtml(mapping.username)}</div>
            <div class="uuid-item-uuid">${mapping.uuid}</div>
          </div>
          <div class="uuid-item-actions">
            ${mapping.isCurrent ? '<div class="uuid-item-current-badge">Current</div>' : ''}
            <button class="uuid-item-btn copy" onclick="copyUuid('${mapping.uuid}')" title="Copy UUID">
              <i class="fas fa-copy"></i>
            </button>
            ${!mapping.isCurrent ? `<button class="uuid-item-btn delete" onclick="deleteUuid('${escapeHtml(mapping.username)}')" title="Delete UUID">
              <i class="fas fa-trash"></i>
            </button>` : ''}
          </div>
        `;
        
        uuidList.appendChild(item);
      }
    }
  } catch (error) {
    console.error('Error loading UUIDs:', error);
    if (uuidList) {
      uuidList.innerHTML = `
        <div class="uuid-loading">
          <i class="fas fa-exclamation-triangle"></i>
          Error loading UUIDs
        </div>
      `;
    }
  }
}

async function generateNewUuid() {
  try {
    if (window.electronAPI && window.electronAPI.generateNewUuid) {
      const newUuid = await window.electronAPI.generateNewUuid();
      if (newUuid) {
        if (customUuidInput) customUuidInput.value = newUuid;
        showNotification('New UUID generated!', 'success');
      }
    }
  } catch (error) {
    console.error('Error generating new UUID:', error);
    showNotification('Failed to generate new UUID', 'error');
  }
}

async function setCustomUuid() {
  try {
    if (!customUuidInput || !customUuidInput.value.trim()) {
      showNotification('Please enter a UUID', 'error');
      return;
    }

    const uuid = customUuidInput.value.trim();
    
    const uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;
    if (!uuidRegex.test(uuid)) {
      showNotification('Invalid UUID format', 'error');
      return;
    }

    showCustomConfirm(
      'Are you sure you want to set this custom UUID? This will change your player identity.',
      'Set Custom UUID',
      async () => {
        await performSetCustomUuid(uuid);
      },
      null,
      'Set UUID',
      'Cancel'
    );
  } catch (error) {
    console.error('Error in setCustomUuid:', error);
    showNotification('Failed to set custom UUID', 'error');
  }
}

  async function performSetCustomUuid(uuid) {
    try {
      if (window.electronAPI && window.electronAPI.setUuidForUser) {
        const username = getCurrentPlayerName();
        const result = await window.electronAPI.setUuidForUser(username, uuid);
        
        if (result.success) {
          if (currentUuidDisplay) currentUuidDisplay.value = uuid;
          if (modalCurrentUuid) modalCurrentUuid.value = uuid;
          if (customUuidInput) customUuidInput.value = '';
          
          showNotification('Custom UUID set successfully!', 'success');
          
          await loadAllUuids();
        } else {
          throw new Error(result.error || 'Failed to set custom UUID');
        }
      }
    } catch (error) {
      console.error('Error setting custom UUID:', error);
      showNotification(`Failed to set custom UUID: ${error.message}`, 'error');
    }
  }

window.copyUuid = async function(uuid) {
  try {
    if (navigator.clipboard) {
      await navigator.clipboard.writeText(uuid);
      showNotification('UUID copied to clipboard!', 'success');
    }
  } catch (error) {
    console.error('Error copying UUID:', error);
    showNotification('Failed to copy UUID', 'error');
  }
};

window.deleteUuid = async function(username) {
  try {
    showCustomConfirm(
      `Are you sure you want to delete the UUID for "${username}"? This action cannot be undone.`,
      'Delete UUID',
      async () => {
        await performDeleteUuid(username);
      },
      null,
      'Delete',
      'Cancel'
    );
  } catch (error) {
    console.error('Error in deleteUuid:', error);
    showNotification('Failed to delete UUID', 'error');
  }
};

async function performDeleteUuid(username) {
  try {
    if (window.electronAPI && window.electronAPI.deleteUuidForUser) {
        const result = await window.electronAPI.deleteUuidForUser(username);
        
        if (result.success) {
          showNotification('UUID deleted successfully!', 'success');
          await loadAllUuids();
        } else {
          throw new Error(result.error || 'Failed to delete UUID');
        }
      }
    } catch (error) {
      console.error('Error deleting UUID:', error);
      showNotification(`Failed to delete UUID: ${error.message}`, 'error');
    }
}

function escapeHtml(text) {
  const div = document.createElement('div');
  div.textContent = text;
  return div.innerHTML;
}

function showNotification(message, type = 'info') {
  const notification = document.createElement('div');
  notification.className = `notification notification-${type}`;
  notification.style.cssText = `
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    z-index: 10000;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
  `;

  if (type === 'success') {
    notification.style.background = 'linear-gradient(135deg, #22c55e, #16a34a)';
  } else if (type === 'error') {
    notification.style.background = 'linear-gradient(135deg, #ef4444, #dc2626)';
  } else {
    notification.style.background = 'linear-gradient(135deg, #3b82f6, #2563eb)';
  }

  notification.innerHTML = `
    <i class="fas fa-${type === 'success' ? 'check' : type === 'error' ? 'exclamation-triangle' : 'info-circle'}"></i>
    ${message}
  `;

  document.body.appendChild(notification);

  setTimeout(() => {
    notification.style.opacity = '1';
    notification.style.transform = 'translateX(0)';
  }, 100);

  setTimeout(() => {
    notification.style.opacity = '0';
    notification.style.transform = 'translateX(100%)';
    setTimeout(() => {
      if (notification.parentNode) {
        notification.parentNode.removeChild(notification);
      }
    }, 300);
  }, 3000);
}