import { json, error } from '@sveltejs/kit';
import { createAirtableServices } from '$lib/airtable';
import type { RequestHandler } from './$types';

const apiKey = process.env.VITE_AIRTABLE_API_KEY;
const baseId = process.env.VITE_AIRTABLE_BASE_ID;

if (!apiKey || !baseId) {
  throw new Error('Airtable API key and base ID must be configured');
}

const airtable = createAirtableServices(apiKey, baseId);

// GET /api/plants/[id] - Get a specific plant
export const GET: RequestHandler = async ({ params }) => {
  try {
    const { id } = params;
    const record = await airtable.plants.getRecord(id);

    const plant = {
      id: record.id,
      ...record.fields,
      lastWatered: record.fields.lastWatered ? new Date(record.fields.lastWatered) : new Date(),
      nextWatering: record.fields.nextWatering ? new Date(record.fields.nextWatering) : new Date(),
      careInstructions: record.fields.careInstructions ? JSON.parse(record.fields.careInstructions) : [],
      growthStages: record.fields.growthStages ? JSON.parse(record.fields.growthStages) : [],
      additionalImages: record.fields.additionalImages ? JSON.parse(record.fields.additionalImages) : []
    };

    return json(plant);
  } catch (err) {
    console.error('Error fetching plant:', err);
    throw error(404, 'Plant not found');
  }
};

// PUT /api/plants/[id] - Update a plant
export const PUT: RequestHandler = async ({ params, request }) => {
  try {
    const { id } = params;
    const plantData = await request.json();

    // Convert Date objects to ISO strings for Airtable
    const fields = {
      ...plantData,
      lastWatered: plantData.lastWatered?.toISOString(),
      nextWatering: plantData.nextWatering?.toISOString(),
      careInstructions: plantData.careInstructions ? JSON.stringify(plantData.careInstructions) : null,
      growthStages: plantData.growthStages ? JSON.stringify(plantData.growthStages) : null,
      additionalImages: plantData.additionalImages ? JSON.stringify(plantData.additionalImages) : null
    };

    const record = await airtable.plants.updateRecord(id, fields);

    // Convert back to our format
    const plant = {
      id: record.id,
      ...record.fields,
      lastWatered: record.fields.lastWatered ? new Date(record.fields.lastWatered) : new Date(),
      nextWatering: record.fields.nextWatering ? new Date(record.fields.nextWatering) : new Date(),
      careInstructions: record.fields.careInstructions ? JSON.parse(record.fields.careInstructions) : [],
      growthStages: record.fields.growthStages ? JSON.parse(record.fields.growthStages) : [],
      additionalImages: record.fields.additionalImages ? JSON.parse(record.fields.additionalImages) : []
    };

    return json(plant);
  } catch (err) {
    console.error('Error updating plant:', err);
    throw error(500, 'Failed to update plant');
  }
};

// DELETE /api/plants/[id] - Delete a plant
export const DELETE: RequestHandler = async ({ params }) => {
  try {
    const { id } = params;
    await airtable.plants.deleteRecord(id);
    return json({ success: true });
  } catch (err) {
    console.error('Error deleting plant:', err);
    throw error(500, 'Failed to delete plant');
  }
};