const { app, BrowserWindow, ipcMain, dialog, Menu } = require('electron');
const path = require('path');

let mainWindow;

function createWindow() {
  mainWindow = new BrowserWindow({
    width: 1200,
    height: 800,
    minWidth: 900,
    minHeight: 600,
    webPreferences: {
      nodeIntegration: false,
      contextIsolation: true,
      preload: path.join(__dirname, 'preload.js')
    },
    titleBarStyle: 'hiddenInset',
    show: false
  });

  mainWindow.loadFile('index.html');

  mainWindow.once('ready-to-show', () => {
    mainWindow.show();
  });

  mainWindow.on('closed', () => {
    mainWindow = null;
  });

  // Menu contestuale (tasto destro)
  mainWindow.webContents.on('context-menu', (event, params) => {
    const contextMenu = Menu.buildFromTemplate([
      {
        label: 'Taglia',
        accelerator: 'CmdOrCtrl+X',
        role: 'cut',
        enabled: params.editFlags.canCut
      },
      {
        label: 'Copia',
        accelerator: 'CmdOrCtrl+C',
        role: 'copy',
        enabled: params.editFlags.canCopy
      },
      {
        label: 'Incolla',
        accelerator: 'CmdOrCtrl+V',
        role: 'paste',
        enabled: params.editFlags.canPaste
      },
      {
        label: 'Seleziona tutto',
        accelerator: 'CmdOrCtrl+A',
        role: 'selectAll',
        enabled: params.editFlags.canSelectAll
      },
      { type: 'separator' },
      {
        label: 'Elimina',
        role: 'delete',
        enabled: params.editFlags.canDelete
      }
    ]);
    contextMenu.popup(mainWindow);
  });

  createMenu();
}

function createMenu() {
  const template = [
    {
      label: 'File',
      submenu: [
        {
          label: 'Esci',
          accelerator: 'CmdOrCtrl+Q',
          click: () => {
            app.quit();
          }
        }
      ]
    },
    {
      label: 'Impostazioni',
      submenu: [
        {
          label: 'Configura Modello e URL',
          accelerator: 'CmdOrCtrl+,',
          click: () => {
            mainWindow.webContents.send('open-settings');
          }
        }
      ]
    },
    {
      label: 'Aiuto',
      submenu: [
        {
          label: 'Informazioni',
          click: () => {
            dialog.showMessageBox(mainWindow, {
              type: 'info',
              title: 'Informazioni',
              message: 'Traduttore AI',
              detail: 'Applicazione desktop per traduzioni con modelli AI locali tramite Ollama.'
            });
          }
        }
      ]
    }
  ];

  const menu = Menu.buildFromTemplate(template);
  Menu.setApplicationMenu(menu);
}

app.whenReady().then(createWindow);

app.on('window-all-closed', () => {
  if (process.platform !== 'darwin') {
    app.quit();
  }
});

app.on('activate', () => {
  if (BrowserWindow.getAllWindows().length === 0) {
    createWindow();
  }
});

ipcMain.handle('translate-text', async (event, { text, direction, model, baseUrl }) => {
  try {
    const sourceLang = direction === 'en-it' ? 'inglese' : 'italiano';
    const targetLang = direction === 'en-it' ? 'italiano' : 'inglese';
    
    // Usa 127.0.0.1 invece di localhost per evitare problemi IPv6
    const cleanBaseUrl = baseUrl.replace('localhost', '127.0.0.1');
    
    const response = await fetch(`${cleanBaseUrl}/api/generate`, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({
        model: model,
        prompt: `Traduci il seguente testo da ${sourceLang} a ${targetLang}. Rispondi SOLO con la traduzione, senza spiegazioni o commenti aggiuntivi:\n\n${text}`,
        stream: false
      })
    });

    if (!response.ok) {
      throw new Error(`Errore HTTP: ${response.status}`);
    }

    const data = await response.json();
    return { success: true, translation: data.response };
  } catch (error) {
    return { success: false, error: error.message };
  }
});

ipcMain.handle('get-models', async (event, baseUrl) => {
  try {
    // Assicurati che l'URL sia pulito e sostituisci localhost con 127.0.0.1 per evitare problemi IPv6
    let cleanUrl = baseUrl.trim().replace(/\/$/, '');
    cleanUrl = cleanUrl.replace('localhost', '127.0.0.1');
    const fullUrl = `${cleanUrl}/api/tags`;
    
    console.log('Richiesta modelli da:', fullUrl);
    
    const response = await fetch(fullUrl, {
      method: 'GET',
      headers: {
        'Accept': 'application/json',
      }
    });
    
    console.log('Risposta status:', response.status);
    
    if (!response.ok) {
      throw new Error(`Errore HTTP: ${response.status} - ${response.statusText}`);
    }

    const data = await response.json();
    console.log('Modelli trovati:', data.models?.length || 0);
    return { success: true, models: data.models || [] };
  } catch (error) {
    console.error('Errore in get-models:', error);
    return { success: false, error: error.message };
  }
});