import swell from 'swell-node'

// Init Swell
swell.init(import.meta.env.VITE_SWELL_STORE_ID, import.meta.env.VITE_SWELL_API_TOKEN)



/**
 * Fetch products
 */
export const getProducts = async (category?: string, limit: number = 25, page: number = 1) => {
    const products = await swell.get('/products', {
        where: {
            active: true,
        },
        category,
        limit,
        page
    })

    if (products) {
        return products
    }
}


/**
 * Retrieve a product
 */
export const getProduct = async (id: string) => {
    const product = await swell.get('/products/{id}', {
        id
    })

    if (product) {
        return product
    }
}


/**
 * Create a cart
 */
export const createCart = async () => {
    const cart = await swell.post('/carts')

    if (cart) {
        return cart
    }
}


/**
 * Retrieve cart
 */
export const fetchCart = async (id: string) => {
    const cart = await swell.get('/carts/{id}', {
        id,
        expand: [
            'items.product',
            'items.variant',
        ]
    })

    if (cart) {
        return cart
    }
}


/**
 * Add product to cart
 */
export const addToCart = async (cartId: string, productId: string, quantity: number) => {
    // Fetch current cart data
    const currentCart = await fetchCart(cartId)

    // Updated cart with new items
    const updatedCart = await swell.put('/carts/{id}', {
        id: cartId,
        items: [
            ...currentCart.items || [],
            {
                product_id: productId,
                quantity,
            }
        ],
    })
    if (updatedCart) {
        // Fetch latest cart with updates
        const cart = await fetchCart(cartId)
        if (cart) {
            return cart
        }
    }
}


/**
 * Update cart item
 */
export const updateCartItem = async (cartId: string, productId: string, quantity: number) => {
    // Fetch current cart data
    const currentCart = await fetchCart(cartId)

    // Updated items with replacing new item quantity
    const updatedCartItems = currentCart.items.map((item: any) => {
        // Replace item quantity with selected one
        if (item.id === productId) {
            item.quantity = quantity
        }
        return item
    })

    const updatedCart = await swell.put('/carts/{id}', {
        id: cartId,
        $set: {
            items: updatedCartItems,
        }
    })
    if (updatedCart) {
        // Fetch latest cart with updates
        const cart = await fetchCart(cartId)
        if (cart) {
            return cart
        }
    }
}


/**
 * Remove cart item
 */
export const removeCartItem = async (cartId: string, productId: string) => {
    // Fetch current cart data
    const currentCart = await fetchCart(cartId)

    // Updated items and remove selected item
    const updatedCartItems = [...currentCart.items.filter((item: any) => {
        return item.id !== productId
    })]

    const updatedCart = await swell.put('/carts/{id}', {
        id: cartId,
        $set: {
            items: updatedCartItems,
        }
    })
    if (updatedCart) {
        // Fetch latest cart with updates
        const cart = await fetchCart(cartId)
        if (cart) {
            return cart
        }
    }
}