const { PrismaClient } = require("@prisma/client");
const { generatePrivateKey, getPublicKey } = require("../../api/utils/nostr-tools");
const { categories, projects, tags, hackathons, roles, skills } = require("./data");
const Chance = require('chance');
const { getCoverImage, randomItems, random } = require("./helpers");

const chance = new Chance();


const prisma = new PrismaClient()


async function purge() {
    await prisma.award.deleteMany();
    await prisma.tag.deleteMany();
    await prisma.vote.deleteMany();
    await prisma.project.deleteMany();
    await prisma.category.deleteMany();
}


async function generateNostrKeys() {
    const allUsers = await prisma.user.findMany({
        where: {
            nostr_prv_key: null
        }
    })
    for (const user of allUsers) {

        const prvkey = generatePrivateKey();
        const pubkey = getPublicKey(prvkey);

        await prisma.user.update({
            where: {
                id: user.id,
            },
            data: {
                nostr_prv_key: prvkey,
                nostr_pub_key: pubkey
            }
        })
    }
}



async function main() {
    // console.log("Purging old data");
    // await purge()

    // await createCategories();

    // await createTags();

    // await createProjects();

    // await createStories();

    // await createHackathons();

    // await fillUserKeysTable()

    // await createRoles();

    // await createSkills();

    // await migrateOldImages();
}

async function migrateOldImages() {
    console.log('Migrating old images data to HostedImage');

    // Can't use prisma method createMany() for columns like Project.screenshots, because this method doesn't return created IDs.

    /**
     * Project
     **/
    const projects = await prisma.project.findMany({
        select: {
            id: true,
            screenshots: true,
            cover_image: true,
            thumbnail_image: true
        }
    })
    for (const project of projects) {
        /**
         * Project.screenshots to Project.screenshots_ids
         **/
        let projectScreenshotIds = [];
        for (const screenshot of project.screenshots) {
            let hostedImageId = await _insertInHostedImage(screenshot)
            projectScreenshotIds.push(hostedImageId);
        }
        if (projectScreenshotIds.length > 0) {
            await _updateObjectWithHostedImageId(prisma.project, project.id, {
                screenshots_ids: projectScreenshotIds,
            })
        }
    
        /**
         * Project.cover_image to Project.cover_image_id
         **/
        if (project.cover_image) {
            let hostedImageId = await _insertInHostedImage(project.cover_image)
            await _updateObjectWithHostedImageId(prisma.project, project.id, {
                cover_image_id: hostedImageId,
            })
        }

        /**
         * Project.thumbnail_image to Project.thumbnail_image_id
         **/
        if (project.cover_image) {
            let hostedImageId = await _insertInHostedImage(project.thumbnail_image)
            await _updateObjectWithHostedImageId(prisma.project, project.id, {
                thumbnail_image_id: hostedImageId,
            })
        }
    }

    /**
     * Category
     **/
    const categories = await prisma.category.findMany({
        select: {
            id: true,
            cover_image: true,
        }
    })
    for (const category of categories) {
        if (category.cover_image) {
            let hostedImageId = await _insertInHostedImage(category.cover_image)
            await _updateObjectWithHostedImageId(prisma.category, category.id, {
                cover_image_id: hostedImageId,
            })
        }
    }

    /**
     * Award
     **/
     const awards = await prisma.award.findMany({
        select: {
            id: true,
            image: true,
        }
    })
    for (const award of awards) {
        if (award.image) {
            let hostedImageId = await _insertInHostedImage(award.image)
            await _updateObjectWithHostedImageId(prisma.award, award.id, {
                image_id: hostedImageId,
            })
        }
    }

    /**
     * Hackaton
     **/
     const hackatons = await prisma.hackathon.findMany({
        select: {
            id: true,
            cover_image: true,
        }
    })
    for (const hackaton of hackatons) {
        if (hackaton.cover_image) {
            let hostedImageId = await _insertInHostedImage(hackaton.cover_image)
            await _updateObjectWithHostedImageId(prisma.hackathon, hackaton.id, {
                cover_image_id: hostedImageId,
            })
        }
    }

    /**
     * Story
     **/
     const stories = await prisma.story.findMany({
        select: {
            id: true,
            cover_image: true,
            body: true,
        }
    })
    for (const story of stories) {
        /**
         * Story.body to Story.body_image_ids
         **/
        let bodyImageIds = [];
        const regex = /(?:!\[(.*?)\]\((.*?)\))/g
        let match;
        while((match = regex.exec(story.body))) {
            const [,,value] = match
            let hostedImageId = await _insertInHostedImage(value)
            bodyImageIds.push(hostedImageId)
        }
        if (bodyImageIds.length > 0) {
            await _updateObjectWithHostedImageId(prisma.story, story.id, {
                body_image_ids: bodyImageIds,
            })
        }

        /**
         * Story.cover_image to Story.cover_image_id
         **/
        if (story.cover_image) {
            let hostedImageId = await _insertInHostedImage(story.cover_image)
            await _updateObjectWithHostedImageId(prisma.story, story.id, {
                cover_image_id: hostedImageId,
            })
        }
    }

    /**
     * User
     **/
     const users = await prisma.user.findMany({
        select: {
            id: true,
            avatar: true,
        }
    })
    for (const user of users) {
        if (user.avatar) {
            let hostedImageId = await _insertInHostedImage(user.avatar)
            await _updateObjectWithHostedImageId(prisma.user, user.id, {
                avatar_id: hostedImageId,
            })
        }
    }
}

async function _insertInHostedImage(url){
    const newHostedImage = await prisma.hostedImage.create({
        data: {
            filename: "default.png",
            provider: "external",
            provider_image_id: "",
            url,
            is_used: true  
        }
    });
    return newHostedImage.id;
}
async function _updateObjectWithHostedImageId(prismaObject, objectId, data){
    await prismaObject.update({
        where: { id: objectId },
        data,
    });
}

async function createCategories() {
    console.log("Creating Categories");
    await prisma.category.createMany({
        data: categories.map(item => ({
            id: item.id,
            title: item.title,
            cover_image: 'https://via.placeholder.com/1920x850.png?text=Category+Cover+Image',
            icon: '🎭'
        }))
    })
}

async function createTags() {
    console.log("Creating Tags");
    await prisma.tag.createMany({
        data: tags.map(item => ({
            id: item.id,
            title: item.title,
            description: item.description,
            isOfficial: item.isOfficial,
            icon: item.icon,
        }))
    })
}

async function createProjects() {
    console.log("Creating Projects");

    for (let i = 0; i < projects.length; i++) {
        const item = projects[i];
        const { tags, ...feilds } = item
        await prisma.project.create({
            data: {
                ...feilds,
                tags: {
                    connect: tags.map(t => ({
                        id: t.id
                    }))
                },
                description: "Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged.",
                screenshots: Array(4).fill('https://via.placeholder.com/1280x729.png?text=Project+Screenshot')
            }
        })
    }
}

async function createStories() {
    console.log("Creating Stories");

    const user = await prisma.user.findFirst();

    for (let i = 0; i < 15; i++) {
        const randomTags = randomItems(random(2, 5), tags)
        await prisma.story.create({
            data: {
                body: chance.paragraph(),
                excerpt: chance.paragraph({ sentences: 1 }),
                title: chance.sentence({ words: chance.integer({ min: 3, max: 7 }) }),
                cover_image: getCoverImage(),
                is_published: true,
                tags: {
                    connect: randomTags.map(t => ({ id: t.id }))
                },
                user_id: user.id,
                votes_count: Math.floor(random(10, 6600)),
            }
        })
    }
}

async function createHackathons() {
    console.log("Creating Hackathons");

    for (let i = 0; i < hackathons.length; i++) {
        const item = hackathons[i];
        const { tags, ...feilds } = item
        await prisma.hackathon.create({
            data: {
                ...feilds,
                tags: {
                    connect: tags.map(t => ({
                        id: t.id
                    }))
                },
                description: "Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged.",
            }
        })
    }
}

async function fillUserKeysTable() {
    console.log('Filling Users Keys Table');
    const allUsers = await prisma.user.findMany({
        select: {
            id: true,
            pubKey: true,
        }
    })

    await prisma.userKey.createMany({
        data: allUsers.filter(u => !!u.pubKey).map(u => ({
            key: u.pubKey,
            user_id: u.id
        }))
    })
}

async function createRoles() {
    console.log("Creating Users Roles");
    await prisma.workRole.createMany({
        data: roles.map(item => ({
            id: item.id,
            title: item.title,
            icon: item.icon,
        }))
    })
}

async function createSkills() {
    console.log("Creating Users Skills");
    await prisma.skill.createMany({
        data: skills.map(item => ({
            id: item.id,
            title: item.title,
        }))
    })
}


main()
    .catch((e) => {
        console.error(e)
        process.exit(1)
    })
    .finally(async () => {
        await prisma.$disconnect()
    })