const fs = require('fs');
const path = require('path');
const csvParser = require('csv-parser');
const koillectionBaseUrl = 'https://koillection.nelson-household.com/api'; // Verify this URL
const authenticationUrl = `${koillectionBaseUrl}/authentication_token`; // URL to obtain JWT
const imagesDir = path.join(__dirname, 'images'); // Use __dirname for correct path

// Define mapping of collection names to their corresponding CSV files
const collectionsMapping = {
  'Perfect Order': './ME03PerfectOrderProductsAndPrices.csv',
};

const createJWTToken = async (username, password) => {
  try {
    const response = await fetch(authenticationUrl, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({ username, password }),
    });
    if (!response.ok) {
      throw new Error(`Failed to obtain JWT token: ${response.status} - ${response.statusText}`);
    }
    const data = await response.json();
    console.log(`JWT Token obtained: ${data.token}`);
    return data.token;
  } catch (error) {
    console.error(`Error obtaining JWT token:`, error);
    throw error; // Re-throw to be caught in other functions
  }
};
const createCollectionIfNotExists = async (name, parentCollectionId, token) => {
  try {
    const url = `${koillectionBaseUrl}/collections`;
    const response = await fetch(url, {
      method: 'POST',
      headers: {
        'Authorization': `Bearer ${token}`,
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({ title: name, visibility: 'public', parent: `/api/collections/${parentCollectionId}` }),
    });
    if (!response.ok) {
      throw new Error(`Failed to create collection "${name}": ${response.status} - ${response.statusText} - ${JSON.stringify(await response.json())}`);
    }
    const data = await response.json();
    console.log(`Successfully created collection "${name}" with ID: ${data.id}`);
    return data.id;
  } catch (error) {
    console.error(`Error creating collection ${name} from CSV:`, error);
    throw error;
  }
};
const createItem = async (payload, token) => {
  try {
    const response = await fetch(`${koillectionBaseUrl}/items`, {
      method: 'POST',
      headers: {
        'Authorization': `Bearer ${token}`,
        'Content-Type': 'application/json',
      },
      body: JSON.stringify(payload),
    });

    if (!response.ok) {
      throw new Error(`Failed to create item: ${response.status} - ${await response.text()}`);
    }

    const createdItem = await response.json();
    return createdItem;
  } catch (error) {
    console.error('Error creating item:', error);
    throw error;
  }
};
async function downloadTcgImage(itemId, imageUrl) {
  try {
    // 1. Fetch the image data using fetch
    const response = await fetch(imageUrl, {
      method: 'GET', // Use GET for image retrieval
      responseType: 'stream' // Important for streaming the image
    });

    if (!response.ok) {
      throw new Error(`Failed to fetch image: ${response.statusText}`);
    }

    // 2. Download the image using your existing logic
    const dest = path.join(imagesDir, `${itemId}_${imageUrl.split('/').pop()}`);
    await new Promise((resolve, reject) => {
      response.body.pipe(fs.createWriteStream(dest));
      response.body.on('error', reject);
      (async () => {
        try {
          await new Promise((resolve, reject) => {
            response.body.on('finish', () => resolve());
          });
        } catch (error) {
          reject(error);
        }
      })();
    });

    console.log(`Image saved to ${dest}`);
    return { success: true, destination: dest };
  } catch (error) {
    console.error('Error applying image:', error);
    throw error;
  }
}
const applyImageToItem = async (itemId, localImagePath, token) => {
  try {
    const response = await fetch(`${koillectionBaseUrl}/items/${itemId}/image`, {
      method: 'POST',
      headers: {
        'Authorization': `Bearer ${token}`,
        'Content-Type': 'multipart/form-data', // Important for file uploads
      },
      body: new FormData({
        append: 'image',
        value: new Blob([fs.readFileSync(localImagePath)]), // Use fs.readFileSync to read the local file
      }, 'image.jpg')
    });

    if (!response.ok) {
      const errorData = await response.json();
      throw new Error(`HTTP error! Status: ${response.status}, Error: ${JSON.stringify(errorData)}`);
    }

    const data = await response.json();
    return data; // Returns the item with the new image
  } catch (error) {
    console.error('Error applying image:', error);
    throw error; // Re-throw for handling in the caller
  }
};
const parseCsv = async (collectionId, csvFilePath, token) => {
  try {
    const rows = [];
    fs.createReadStream(csvFilePath)
      .pipe(csvParser())
      .on('data', (row) => rows.push(row))
      .on('end', async () => {
        rows.map(async (row) => {
          //console.log(`Here is the row wer are on: ${JSON.stringify(row, null, 2)}`);
          const payload = {
            name: row.name,
            collection: `/api/collections/${collectionId}`,
            visibility: 'public',
          };

          try {
            const createdItem = await createItem(payload, token);
            console.log(`Created item: ${createdItem.name}`);
            const imageObj = await downloadTcgImage(createdItem.id, row.imageUrl);
            const image = applyImageToItem(createdItem.id, imageObj.destination, token);
            console.log(`Applied image to item: ${createdItem.name}`);
          } catch (itemError) {
            console.error(`Error creating item for row ${row.name}:`, itemError);
          }
        });
      });
  } catch (error) {
    console.error(`Error creating collection ${name} from CSV:`, error);
  }
}
const createCollectionFromCSV = async (name, csvFilePath) => {
  const token = await createJWTToken('bigassdragon', 'd7Bis4Y4EUhfMf');
  const joeCollectionId = await createCollectionIfNotExists(name, '019dc310-a130-799e-8c0d-db90774b7b77', token);
  const tylerCollectionId = await createCollectionIfNotExists(name, '019dc310-d175-7e59-b465-c8e684ee7186', token);
  await parseCsv(joeCollectionId, csvFilePath, token);
  await parseCsv(tylerCollectionId, csvFilePath, token);
};
// Main execution
async function main() {
  for (const collectionName in collectionsMapping) {
    try {
      await createCollectionFromCSV(collectionName, collectionsMapping[collectionName]);
    } catch (error) {
      console.error(`Error processing collection - ${collectionName}:`, error);
    }
  }
}
main();