import { createDirectusConnection } from "@/lib/directus";
import { print } from "graphql";
import getAlbums from '@/graphql/photos/getAlbums.graphql';
import getAlbumItem from '@/graphql/photos/getAlbum.graphql';
import getLastAlbumsQuery from '@/graphql/photos/getLastAlbums.graphql';
import getCategoryAlbumQuery from '@/graphql/photos/getCategoryAlbum.graphql';
import { formatDate } from "@/lib/dates";

export async function getAllAlbums(settings: GlobalSettings): Promise<PhotoAlbum[]> {
    const client = await createDirectusConnection();
    const result = await client.query(print(getAlbums), {
        date: formatDate(new Date(), "%Y-%M-%D")
    });

    let albums: PhotoAlbum[] = [];

    result["Photo_Albums"].forEach((albumRecord: any) => {
        let dates: string[] = [
            settings.website.lastModified.toISOString(),
            settings.photo.lastModified.toISOString(),
            albumRecord["date_created"],
            albumRecord["date_updated"],
            albumRecord["thumbnail"]["created_on"],
        ];

        const album: PhotoAlbum = {
            exists: true,
            type: "PhotoAlbum",
            title: albumRecord["title"],
            description: albumRecord["description"],
            url: albumRecord["url"],
            startDate: albumRecord["start_date"],
            endDate: albumRecord["end_date"],
            location: albumRecord["location"],
            category: {
                id: albumRecord["category"][0]["Photo_Categories_id"]["id"],
                title: albumRecord["category"][0]["Photo_Categories_id"]["title"],
                url: albumRecord["category"][0]["Photo_Categories_id"]["url"],
                thumbnail: {
                    url: albumRecord["category"][0]["Photo_Categories_id"]["thumbnail"]["filename_disk"],
                    height: albumRecord["category"][0]["Photo_Categories_id"]["thumbnail"]["height"],
                    width: albumRecord["category"][0]["Photo_Categories_id"]["thumbnail"]["width"]
                }
            },
            thumbnail: {
                url: albumRecord["thumbnail"]["filename_disk"],
                height: albumRecord["thumbnail"]["height"],
                width: albumRecord["thumbnail"]["width"]
            },
            photos: [],
            lastModified: new Date()
        };

        albumRecord["photos"].forEach((photoRecord: any) => {
            album.photos.push({
                id: photoRecord["id"],
                photo: {
                    url: photoRecord["photo"]["filename_disk"],
                    width: photoRecord["photo"]["width"],
                    height: photoRecord["photo"]["height"]
                },
                text: photoRecord["text"]
            });

            dates.push(photoRecord["date_created"]);
            dates.push(photoRecord["date_updated"]);
            dates.push(photoRecord["photo"]["created_on"]);
        });
        
        if (dates.filter(e => e !== null).length === 0) {
            album.lastModified = new Date();
        }
        else {
            const sortedDates: string[] = dates.sort((a: string, b: string) => {
                return new Date(b).getTime() - new Date(a).getTime();
            });

            album.lastModified = new Date(sortedDates[0]);
        }

        albums.push(album);
    });

    return albums;
}

export async function getAlbum(settings: GlobalSettings, route: string): Promise<PhotoAlbum> {
    const client = await createDirectusConnection();
    const result = await client.query(print(getAlbumItem), {
        route: route
    });

    const albumRecord = result["Photo_Albums"][0];

    let dates: string[] = [
        settings.website.lastModified.toISOString(),
        settings.photo.lastModified.toISOString(),
        albumRecord["date_created"],
        albumRecord["date_updated"],
        albumRecord["thumbnail"]["created_on"],
    ];

    const album: PhotoAlbum = {
        exists: true,
        type: "PhotoAlbum",
        title: albumRecord["title"],
        description: albumRecord["description"],
        url: albumRecord["url"],
        startDate: albumRecord["start_date"],
        endDate: albumRecord["end_date"],
        location: albumRecord["location"],
        category: {
            id: albumRecord["category"][0]["Photo_Categories_id"]["id"],
            title: albumRecord["category"][0]["Photo_Categories_id"]["title"],
            url: albumRecord["category"][0]["Photo_Categories_id"]["url"],
            thumbnail: {
                url: albumRecord["category"][0]["Photo_Categories_id"]["thumbnail"]["filename_disk"],
                height: albumRecord["category"][0]["Photo_Categories_id"]["thumbnail"]["height"],
                width: albumRecord["category"][0]["Photo_Categories_id"]["thumbnail"]["width"]
            }
        },
        thumbnail: {
            url: albumRecord["thumbnail"]["filename_download"],
            height: albumRecord["thumbnail"]["height"],
            width: albumRecord["thumbnail"]["width"]
        },
        photos: [],
        lastModified: new Date()
    };

    albumRecord["photos"].forEach((photoRecord: any) => {
        album.photos.push({
            id: photoRecord["id"],
            photo: {
                url: photoRecord["photo"]["filename_disk"],
                width: photoRecord["photo"]["width"],
                height: photoRecord["photo"]["height"]
            },
            text: photoRecord["text"]
        });

        dates.push(photoRecord["date_created"]);
        dates.push(photoRecord["date_updated"]);
        dates.push(photoRecord["photo"]["created_on"]);
    });
    
    if (dates.filter(e => e !== null).length === 0) {
        album.lastModified = new Date();
    }
    else {
        const sortedDates: string[] = dates.sort((a: string, b: string) => {
            return new Date(b).getTime() - new Date(a).getTime();
        });

        album.lastModified = new Date(sortedDates[0]);
    }

    return album;
}

export async function getLastAlbums(amount: number) {
    const client = await createDirectusConnection();
    const result = await client.query(print(getLastAlbumsQuery), {
        date: formatDate(new Date(), "%Y-%M-%D"),
        limit: amount
    });

    let albums: PhotoAlbum[] = [];

    result["Photo_Albums"].forEach((albumRecord: any) => {
        let dates: string[] = [
            albumRecord["date_created"],
            albumRecord["date_updated"],
            albumRecord["thumbnail"]["created_on"],
        ];

        const album: PhotoAlbum = {
            exists: true,
            type: "PhotoAlbum",
            title: albumRecord["title"],
            description: albumRecord["description"],
            url: albumRecord["url"],
            startDate: albumRecord["start_date"],
            endDate: albumRecord["end_date"],
            location: albumRecord["location"],
            category: {
                id: albumRecord["category"][0]["Photo_Categories_id"]["id"],
                title: albumRecord["category"][0]["Photo_Categories_id"]["title"],
                url: albumRecord["category"][0]["Photo_Categories_id"]["url"],
                thumbnail: {
                    url: albumRecord["category"][0]["Photo_Categories_id"]["thumbnail"]["filename_disk"],
                    height: albumRecord["category"][0]["Photo_Categories_id"]["thumbnail"]["height"],
                    width: albumRecord["category"][0]["Photo_Categories_id"]["thumbnail"]["width"]
                }
            },
            thumbnail: {
                url: albumRecord["thumbnail"]["filename_disk"],
                height: albumRecord["thumbnail"]["height"],
                width: albumRecord["thumbnail"]["width"]
            },
            photos: [],
            lastModified: new Date()
        };

        albumRecord["photos"].forEach((photoRecord: any) => {
            album.photos.push({
                id: photoRecord["id"],
                photo: {
                    url: photoRecord["photo"]["filename_disk"],
                    width: photoRecord["photo"]["width"],
                    height: photoRecord["photo"]["height"]
                },
                text: photoRecord["text"]
            });

            dates.push(photoRecord["date_created"]);
            dates.push(photoRecord["date_updated"]);
            dates.push(photoRecord["photo"]["created_on"]);
        });
        
        if (dates.filter(e => e !== null).length === 0) {
            album.lastModified = new Date();
        }
        else {
            const sortedDates: string[] = dates.sort((a: string, b: string) => {
                return new Date(b).getTime() - new Date(a).getTime();
            });

            album.lastModified = new Date(sortedDates[0]);
        }

        albums.push(album);
    });

    return albums;
}

export async function getCategoryAlbums(settings: GlobalSettings, route: string): Promise<PhotoAlbum[]> {
    const client = await createDirectusConnection();
    const result = await client.query(print(getCategoryAlbumQuery), {
        date: formatDate(new Date(), "%Y-%M-%D"),
        categoryUrl: `/${route}`
    });

    let albums: PhotoAlbum[] = [];

    result["Photo_Albums"].forEach((albumRecord: any) => {
        let dates: string[] = [
            settings.website.lastModified.toISOString(),
            settings.photo.lastModified.toISOString(),
            albumRecord["date_created"],
            albumRecord["date_updated"],
            albumRecord["thumbnail"]["created_on"],
        ];

        const album: PhotoAlbum = {
            exists: true,
            type: "PhotoAlbum",
            title: albumRecord["title"],
            description: albumRecord["description"],
            url: albumRecord["url"],
            startDate: albumRecord["start_date"],
            endDate: albumRecord["end_date"],
            location: albumRecord["location"],
            category: {
                id: albumRecord["category"][0]["Photo_Categories_id"]["id"],
                title: albumRecord["category"][0]["Photo_Categories_id"]["title"],
                url: albumRecord["category"][0]["Photo_Categories_id"]["url"],
                thumbnail: {
                    url: albumRecord["category"][0]["Photo_Categories_id"]["thumbnail"]["filename_disk"],
                    height: albumRecord["category"][0]["Photo_Categories_id"]["thumbnail"]["height"],
                    width: albumRecord["category"][0]["Photo_Categories_id"]["thumbnail"]["width"]
                }
            },
            thumbnail: {
                url: albumRecord["thumbnail"]["filename_disk"],
                height: albumRecord["thumbnail"]["height"],
                width: albumRecord["thumbnail"]["width"]
            },
            photos: [],
            lastModified: new Date()
        };

        albumRecord["photos"].forEach((photoRecord: any) => {
            album.photos.push({
                id: photoRecord["id"],
                photo: {
                    url: photoRecord["photo"]["filename_disk"],
                    width: photoRecord["photo"]["width"],
                    height: photoRecord["photo"]["height"]
                },
                text: photoRecord["text"]
            });

            dates.push(photoRecord["date_created"]);
            dates.push(photoRecord["date_updated"]);
            dates.push(photoRecord["photo"]["created_on"]);
        });
        
        if (dates.filter(e => e !== null).length === 0) {
            album.lastModified = new Date();
        }
        else {
            const sortedDates: string[] = dates.sort((a: string, b: string) => {
                return new Date(b).getTime() - new Date(a).getTime();
            });

            album.lastModified = new Date(sortedDates[0]);
        }

        albums.push(album);
    });

    return albums;
}