import axios from 'axios';
import { cookies } from 'next/headers'
import { NextRequest, NextResponse } from 'next/server';

export const POST = async (request: NextRequest) => {
    // INTERPOLATING API URL OF BACKEND
    const {
        offerType,
        offerName,
        pricePlanCode,
        remarks,
        sourceFrom,
        baseValidPeriod,
        serviceType,
        versionValidPeriod
    } = await request.json();
    
    const url: string = `${process.env.NEXT_PUBLIC_API_URL}/priceplan/createpriceplan`
    const data = JSON.parse(cookies().get('credential')?.value ?? "")
    const token = `Bearer ${data.token}`

    try {
        // MAKE AN API REQUEST
        /*
        * - WE USE AXIOS INSTEAD OF FETCH 
        * - FETCH ALWAYS RETURNS "TypeError [ERR_INVALID_STATE]: Invalid state: ReadableStream is already closed" 
        *   WHEN WE RUN "response.json()"
        */
        const response = await axios(url, {
            method: 'POST',
            headers: {
                'Accept': 'application/json',
                'Content-Type': 'application/json',
                'Authorization': token
            },
            data: JSON.stringify({
                offerType,
                offerName,
                applyLevel: "S",
                pricePlanCode,
                remarks,
                sourceFrom,
                baseValidPeriod,
                versionValidPeriod,
                serviceType
            })
        })


        return NextResponse.json(response.data, { status: response.status });
    } catch (error: any) {
        if (axios.isAxiosError(error)) {
            return NextResponse.json(error.response?.data || { message: 'Unknown error' }, { status: error.response?.status || 500 });
        }
        return NextResponse.json({ message: 'An unexpected error occurred' }, { status: 500 });

    }
}