import { saveAs } from "file-saver";
import { _4X4Cert } from "./certs/4X4";
import { CertData } from "./certs/CertData";
import { matpelCert } from "./certs/MATPEL";
import { Matpel } from "./certs/utils";

import { manejoDefensivoCert } from "./certs/MANEJO_DEFENSIVO";
import { mecanicaBasicaCert } from "./certs/MECANICA_BASICA";
import { segOpMaqPesCert } from "./certs/SEG_OP_MAQ_PES";
import { supervisorEscolta } from "./certs/SUPERVISOR_ESCOLTA";
import { ipercCert } from "./certs/IPERC";

declare global {
    interface Window {
        // eslint-disable-next-line @typescript-eslint/no-explicit-any
        docx: any,
    }
}

async function download(document: Document, filename: string = "filename.docx") {
    const blob = await window.docx.Packer.toBlob(document);
    saveAs(blob, filename);
}

const certGeneratorGenerator = <T>(generatorFn: (options: CertData<T>) => Promise<Document>) => (filename: string, options: CertData<T>) => {
    generatorFn(options)
        .then((doc) => {
            download(doc, filename);
        });
};

type CertGenObj = {
    [key: string]: (filename: string, options: CertData<null>) => void
}

export const certGenerator: CertGenObj = Object.freeze({
    "Matpel 1": (filename: string, options: CertData<null>) => {
        const options_f: CertData<Matpel> = {
            ...options,
            matpel: Matpel._1,
        };
        matpelCert(options_f)
            .then((doc) => {
                download(doc, filename);
            });
    },
    "Matpel 2": (filename: string, options: CertData<null>) => {
        const options_f: CertData<Matpel> = {
            ...options,
            matpel: Matpel._2,
        };
        matpelCert(options_f)
            .then((doc) => {
                download(doc, filename);
            });
    },
    "Matpel 3": (filename: string, options: CertData<null>) => {
        const options_f: CertData<Matpel> = {
            ...options,
            matpel: Matpel._3,
        };
        matpelCert(options_f)
            .then((doc) => {
                download(doc, filename);
            });
    },
    "Manejo Defensivo": certGeneratorGenerator(manejoDefensivoCert),
    "Mecanica Basica": certGeneratorGenerator(mecanicaBasicaCert),
    "4x4": certGeneratorGenerator(_4X4Cert),
    "Seg. Op. Maquinaria Pesada": certGeneratorGenerator(segOpMaqPesCert),
    "Sup. Escolta": certGeneratorGenerator(supervisorEscolta),
    "IPERC": certGeneratorGenerator(ipercCert),
});