import { utcToZonedTime } from "date-fns-tz";
import setHours from "date-fns/setHours";
import xl from "excel4node";

class Export {
    /**
     * Méthode permettant de remplacer certains cartactères par leur équivalents html
     * @param {String} str
     *
     * @return {String}
     */
    static replaceSpecialChars(str) {
        if (!str) {
            return "";
        }
        let final = str.toString();
        const find = ["&", "<", ">"];
        const replace = ["&amp;", "&lt;", "&gt;"];

        for (let i = 0; i < find.length; i += 1) {
            final = final.replace(new RegExp(find[i], "g"), replace[i]);
        }

        return final;
    }

    /**
     * Méthode permettant de convertir les rows en csv
     * @param {Array} rows
     *
     * @return {string}
     */
    static async convertToCsv(rows) {
        let data =
            "Artiste;Titre;Genre;Styles;Pays;Année;Date de sortie;Format\n\r";

        for (let i = 0; i < rows.length; i += 1) {
            const {
                artists_sort,
                title,
                genres,
                styles,
                country,
                year,
                released,
                formats,
            } = rows[i];

            let format = "";
            for (let j = 0; j < formats.length; j += 1) {
                format += `${format !== "" ? ", " : ""}${formats[j].name}`;
            }

            data += `${artists_sort};${title};${genres.join()};${styles.join()};${country};${year};${released};${format}\n\r`;
        }

        return data;
    }

    /**
     * Méthode permettant de convertir les rows en fichier xls
     * @param {Array} rows
     *
     * @return {Object}
     */
    static async convertToXls(rows) {
        const wb = new xl.Workbook();
        const ws = wb.addWorksheet("MusicTopus");

        const headerStyle = wb.createStyle({
            font: {
                color: "#FFFFFF",
                size: 11,
            },
            fill: {
                type: "pattern",
                patternType: "solid",
                bgColor: "#595959",
                fgColor: "#595959",
            },
        });
        const style = wb.createStyle({
            font: {
                color: "#000000",
                size: 11,
            },
            numberFormat: "0000",
        });

        const header = [
            "Artiste",
            "Titre",
            "Genre",
            "Styles",
            "Pays",
            "Année",
            "Date de sortie",
            "Format",
        ];
        for (let i = 0; i < header.length; i += 1) {
            ws.cell(1, i + 1)
                .string(header[i])
                .style(headerStyle);
        }

        for (let i = 0; i < rows.length; i += 1) {
            const currentRow = i + 2;
            const {
                artists_sort,
                title,
                genres,
                styles,
                country,
                year,
                released,
                formats,
            } = rows[i];

            let format = "";
            for (let j = 0; j < formats.length; j += 1) {
                format += `${format !== "" ? ", " : ""}${formats[j].name}`;
            }

            ws.cell(currentRow, 1).string(artists_sort).style(style);
            ws.cell(currentRow, 2).string(title).style(style);
            ws.cell(currentRow, 3).string(genres.join()).style(style);
            ws.cell(currentRow, 4).string(styles.join()).style(style);
            if (country) {
                ws.cell(currentRow, 5).string(country).style(style);
            }
            if (year) {
                ws.cell(currentRow, 6).number(year).style(style);
            }
            if (released) {
                ws.cell(currentRow, 7)
                    .date(
                        setHours(utcToZonedTime(released, "Europe/Paris"), 12)
                    )
                    .style({ numberFormat: "dd/mm/yyyy" });
            }
            ws.cell(currentRow, 8).string(format).style(style);
        }

        return wb;
    }

    /**
     * Méthode permettant de convertir les rows en csv pour importer dans MusicTopus
     * @param {Array} rows
     *
     * @return {string}
     */
    static async convertToXml(rows) {
        let data = '<?xml version="1.0" encoding="UTF-8"?>\n\r<albums>';

        for (let i = 0; i < rows.length; i += 1) {
            const {
                discogsId,
                year,
                released,
                uri,
                artists,
                artists_sort,
                labels,
                series,
                companies,
                formats,
                title,
                country,
                notes,
                identifiers,
                videos,
                genres,
                styles,
                tracklist,
                extraartists,
                images,
                thumb,
            } = rows[i];

            let artistsList = "";
            let labelList = "";
            let serieList = "";
            let companiesList = "";
            let formatsList = "";
            let identifiersList = "";
            let videosList = "";
            let genresList = "";
            let stylesList = "";
            let tracklistList = "";
            let extraartistsList = "";
            let imagesList = "";

            for (let j = 0; j < artists.length; j += 1) {
                artistsList += `<artist>
            <name>${Export.replaceSpecialChars(artists[j].name)}</name>
            <anv>${Export.replaceSpecialChars(artists[j].anv)}</anv>
            <join>${Export.replaceSpecialChars(artists[j].join)}</join>
            <role>${Export.replaceSpecialChars(artists[j].role)}</role>
            <tracks>${Export.replaceSpecialChars(artists[j].tracks)}</tracks>
            <id>${Export.replaceSpecialChars(artists[j].id)}</id>
            <resource_url>${Export.replaceSpecialChars(
                artists[j].resource_url
            )}</resource_url>
            <thumbnail_url>${Export.replaceSpecialChars(
                artists[j].thumbnail_url
            )}</thumbnail_url>
        </artist>`;
            }

            for (let j = 0; j < labels.length; j += 1) {
                labelList += `<label>
            <name>${Export.replaceSpecialChars(labels[j].name)}</name>
            <catno>${Export.replaceSpecialChars(labels[j].catno)}</catno>
            <entity_type>${Export.replaceSpecialChars(
                labels[j].entity_type
            )}</entity_type>
            <entity_type_name>${Export.replaceSpecialChars(
                labels[j].entity_type
            )}</entity_type_name>
            <id>${Export.replaceSpecialChars(labels[j].id)}</id>
            <resource_url>${Export.replaceSpecialChars(
                labels[j].resource_url
            )}</resource_url>
            <thumbnail_url>${Export.replaceSpecialChars(
                labels[j].thumbnail_url
            )}</thumbnail_url>
        </label>
        `;
            }

            for (let j = 0; j < series.length; j += 1) {
                serieList += `<serie>
            <name>${Export.replaceSpecialChars(series[j].name)}</name>
            <catno>${Export.replaceSpecialChars(series[j].catno)}</catno>
            <entity_type>${Export.replaceSpecialChars(
                series[j].entity_type
            )}</entity_type>
            <entity_type_name>${Export.replaceSpecialChars(
                series[j].entity_type_name
            )}</entity_type_name>
            <id>${Export.replaceSpecialChars(series[j].id)}</id>
            <resource_url>${Export.replaceSpecialChars(
                series[j].resource_url
            )}</resource_url>
            <thumbnail_url>${Export.replaceSpecialChars(
                series[j].thumbnail_url
            )}</thumbnail_url>
        </serie>
        `;
            }

            for (let j = 0; j < companies.length; j += 1) {
                companiesList += `<company>
            <name>${Export.replaceSpecialChars(companies[j].name)}</name>
            <catno>${Export.replaceSpecialChars(companies[j].catno)}</catno>
            <entity_type>${Export.replaceSpecialChars(
                companies[j].entity_type
            )}</entity_type>
            <entity_type_name>${Export.replaceSpecialChars(
                companies[j].entity_type_name
            )}</entity_type_name>
            <id>${Export.replaceSpecialChars(companies[j].id)}</id>
            <resource_url>${Export.replaceSpecialChars(
                companies[j].resource_url
            )}</resource_url>
            <thumbnail_url>${Export.replaceSpecialChars(
                companies[j].thumbnail_url
            )}</thumbnail_url>
        </company>
        `;
            }

            for (let j = 0; j < formats.length; j += 1) {
                let descriptions = "";
                if (formats[j].descriptions) {
                    for (
                        let k = 0;
                        k < formats[j].descriptions.length;
                        k += 1
                    ) {
                        descriptions += `<description>${formats[j].descriptions[k]}</description>
                `;
                    }
                }
                formatsList += `<format>
            <name>${Export.replaceSpecialChars(formats[j].name)}</name>
            <qte>${Export.replaceSpecialChars(formats[j].qty)}</qte>
            <text>${Export.replaceSpecialChars(formats[j].text)}</text>
            <descriptions>
                ${descriptions}
            </descriptions>
        </format>
        `;
            }

            for (let j = 0; j < identifiers.length; j += 1) {
                identifiersList += `<identifier>
            <type>${Export.replaceSpecialChars(identifiers[j].type)}</type>
            <value>${Export.replaceSpecialChars(identifiers[j].value)}</value>
            <description>${Export.replaceSpecialChars(
                identifiers[j].description
            )}</description>
        </identifier>
        `;
            }

            for (let j = 0; j < videos.length; j += 1) {
                videosList += `<video embed="${videos[j].embed}">
            <uri>${Export.replaceSpecialChars(videos[j].uri)}</uri>
            <title>${Export.replaceSpecialChars(videos[j].title)}</title>
            <description>${Export.replaceSpecialChars(
                videos[j].description
            )}</description>
            <duration>${Export.replaceSpecialChars(
                videos[j].duration
            )}</duration>
        </video>
        `;
            }

            for (let j = 0; j < genres.length; j += 1) {
                genresList += `<genre>${Export.replaceSpecialChars(
                    genres[j]
                )}</genre>
        `;
            }

            for (let j = 0; j < styles.length; j += 1) {
                stylesList += `<style>${Export.replaceSpecialChars(
                    styles[j]
                )}</style>
        `;
            }

            for (let j = 0; j < tracklist.length; j += 1) {
                tracklistList += `<tracklist position="${
                    tracklist[j].position
                }" type="${tracklist[j].type_}" duration="${
                    tracklist[j].duration
                }">
            ${Export.replaceSpecialChars(tracklist[j].title)}
        </tracklist>
        `;
            }

            for (let j = 0; j < extraartists.length; j += 1) {
                extraartistsList += `<extraartist>
            <name>${Export.replaceSpecialChars(extraartists[j].name)}</name>
            <anv>${Export.replaceSpecialChars(extraartists[j].anv)}</anv>
            <join>${Export.replaceSpecialChars(extraartists[j].join)}</join>
            <role>${Export.replaceSpecialChars(extraartists[j].role)}</role>
            <tracks>${Export.replaceSpecialChars(
                extraartists[j].tracks
            )}</tracks>
            <id>${Export.replaceSpecialChars(extraartists[j].id)}</id>
            <resource_url>${Export.replaceSpecialChars(
                extraartists[j].resource_url
            )}</resource_url>
            <thumbnail_url>${Export.replaceSpecialChars(
                extraartists[j].thumbnail_url
            )}</thumbnail_url>
        </extraartist>
        `;
            }

            for (let j = 0; j < images.length; j += 1) {
                imagesList += `<image type="${images[j].type}" width="${
                    images[j].width
                }" height="${images[j].height}">
            <uri>${Export.replaceSpecialChars(images[j].uri)}</uri>
            <resource_url>${Export.replaceSpecialChars(
                images[j].resource_url
            )}</resource_url>
            <uri150>${Export.replaceSpecialChars(
                images[j].resource_url
            )}</uri150>
        </image>
        `;
            }

            data += `
<album>
    <discogId>${discogsId}</discogId>
    <title>${Export.replaceSpecialChars(title)}</title>
    <artists_sort>${Export.replaceSpecialChars(artists_sort)}</artists_sort>
    <artists>
        ${artistsList}
    </artists>
    <year>${year}</year>
    <country>${Export.replaceSpecialChars(country)}</country>
    <released>${released}</released>
    <uri>${uri}</uri>
    <thumb>${thumb}</thumb>
    <labels>
        ${labelList}
    </labels>
    <series>
        ${serieList}
    </series>
    <companies>
        ${companiesList}
    </companies>
    <formats>
        ${formatsList}
    </formats>
    <notes>${Export.replaceSpecialChars(notes)}</notes>
    <identifiers>
        ${identifiersList}
    </identifiers>
    <videos>
        ${videosList}
    </videos>
    <genres>
        ${genresList}
    </genres>
    <styles>
        ${stylesList}
    </styles>
    <tracklist>
        ${tracklistList}
    </tracklist>
    <extraartists>
        ${extraartistsList}
    </extraartists>
    <images>
        ${imagesList}
    </images>
</album>`;
        }

        return `${data}</albums>`;
    }

    /**
     * Méthode permettant de convertir les rows en csv pour importer dans MusicTopus
     * @param {Array} rows
     *
     * @return {string}
     */
    static async convertToMusicTopus(rows) {
        let data = "itemId;createdAt;updatedAt\n\r";

        for (let i = 0; i < rows.length; i += 1) {
            const { discogsId, createdAt, updatedAt } = rows[i];

            data += `${discogsId};${createdAt};${updatedAt}\n\r`;
        }

        data += "v1.0";

        return data;
    }
}

export default Export;