// /** ********************************************************************************
//     Copyright 2024 Subteno - Timothée Vannier (https://www.subteno.com).
//     License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
//  **********************************************************************************/
import {Attachment} from "@mail/core/common/attachment_model";
import {patch} from "@web/core/utils/patch";

patch(Attachment.prototype, {
    _handleImage() {
        if (this.model_name && this.model_name === "dms.file") {
            return `/web/content?id=${this.id}&field=content&model=dms.file&filename_field=name&download=false`;
        }
        return `/web/image/${this.id}?signature=${this.checksum}`;
    },
    _handlePdf() {
        if (this.model_name && this.model_name === "dms.file") {
            return (
                "/web/content?id=" +
                this.id +
                "&field=content&model=dms.file" +
                "&filename_field=name"
            );
        }
        const pdf_lib = `/web/static/lib/pdfjs/web/viewer.html?file=`;
        if (
            !this.accessToken &&
            this.originThread &&
            this.originThread.model === "mail.channel"
        ) {
            return `${pdf_lib}/mail/channel/${this.originThread.id}/attachment/${this.id}#pagemode=none`;
        }
        const accessToken = this.accessToken
            ? `?access_token%3D${this.accessToken}`
            : "";
        return `${pdf_lib}/web/content/${this.id}${accessToken}#pagemode=none`;
    },
    _handleYoutube() {
        const urlArr = this.url.split("/");
        let token = urlArr[urlArr.length - 1];
        if (token.includes("watch")) {
            token = token.split("v=")[1];
            const amp = token.indexOf("&");
            if (amp !== -1) {
                token = token.substring(0, amp);
            }
        }
        return `https://www.youtube.com/embed/${token}`;
    },
    get defaultSource() {
        if (this.isImage) {
            return this._handleImage();
        }
        if (this.isPdf) {
            return this._handlePdf();
        }
        if (this.isUrlYoutube) {
            return this._handleYoutube();
        }
        if (
            !this.accessToken &&
            this.originThread &&
            this.originThread.model === "mail.channel"
        ) {
            return `/mail/channel/${this.originThread.id}/attachment/${this.id}`;
        }
        const accessToken = this.accessToken ? `?access_token=${this.accessToken}` : "";

        if (this.model_name && this.model_name === "dms.file") {
            return `/web/content?id=${this.id}&field=content&model=dms.file&filename_field=name`;
        }
        return `/web/content/${this.id}${accessToken}`;
    },
    get downloadUrl() {
        if (
            !this.accessToken &&
            this.originThread &&
            this.originThread.model === "mail.channel"
        ) {
            return `/mail/channel/${this.originThread.id}/attachment/${this.id}?download=true`;
        }
        if (this.model_name && this.model_name === "dms.file") {
            return `/web/content?id=${this.id}&field=content&model=dms.file&filename_field=name&download=true`;
        }
        const accessToken = this.accessToken ? `access_token=${this.accessToken}&` : "";
        return `/web/content/ir.attachment/${this.id}/datas?${accessToken}download=true`;
    },
});