import { jsPDF } from 'jspdf'
import {applyPlugin} from 'jspdf-autotable'
import { ContainerWithDrinkAndHistory, DrinkComposite, containerTypeToString } from '~/models/types';
import { volume } from '../conversions';

export async function createPdf(filename: string, reportId: string, dateStart: string, dateEnd: string, containers: ContainerWithDrinkAndHistory[]){
    applyPlugin(jsPDF);
    
    let body : string[][] = [];
    let total : number = 0;
    
    for(let container of containers){
        let price = Math.round((container.price * container.checkouts.length) * 100) / 100;
        total += price;
        
        let bodyRow = [
            container.drink.name + " - " + containerTypeToString(container.type) + " " + volume(container.volume), 
            "€" + container.price, 
            container.checkouts.length.toString(), 
            "€" + price];

        body.push(bodyRow);
    }
    
    const doc = new jsPDF();
    doc.setCreationDate(new Date(Date.now()));

    doc.setFontSize(20);
    doc.text("K-FRIDGE", 15, 25);

    doc.setFontSize(12);
    doc.text("Report #" + reportId, 160, 25);

    doc.setFontSize(10);
    doc.text("Selected date range:   " + dateStart.slice(0, -8).replace("T", "") + "   -   " + dateEnd.slice(0,-8).replace("T", ""), 15, 35);
    
    const table = doc.autoTable({
        startY: 40,
        head: [['Drink', 'Price', 'Amount', 'Total']],
        body: body,
        foot: [["", "", "Total", "€" + (Math.round(total*100)/100)]]
    });

    const finalY = table?.lastAutoTable?.finalY ?? 40;

    doc.text("Generated on " + new Date(Date.now()).toString(), 15, finalY + 10);

    const filepath = "/reports/" + filename + ".pdf";

    doc.save("public" + filepath);

    return filepath;
}