SP24 - image object name.js

const base = require('base-x');

const baser62 = base("0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");

const min = 0x000000;
const max = 0xffffff;

function getRandomInt() {
    return Math.floor(Math.random() * (max - min)) + min;
}

class BufferOffset {
    constructor(buffer) {
        this.buffer = buffer;
        this.offset = 0;
    }

    write(length, data) {
        this.buffer.writeUIntBE(data, this.offset, length);
        this.offset += length;
    }
}

const buffer = Buffer.alloc(43);
const b = new BufferOffset(buffer);

// b.write(4, getRandomInt()); // Random
// b.write(4, Date.now() / 1000); // Creation timestamp
// b.write(1, 0x55); // Object type
// b.write(1, 0x44); // Object localization
// b.write(3, 0x333333); // Application Id
// b.write(2, 0x1111); // Image width
// b.write(2, 0x2222); // Image height
// b.write(2, 0x6666); // Provider Id
// b.write(4, 0x77777777); // Product creation timestamp
// b.write(5, 0x8888888888); // Product random
// b.write(3, 0x999999); // Product counter
// b.write(4, getRandomInt()); // Original image random
// b.write(4, Date.now() / 1000); // original image timestamp
// b.write(2, 0x2222); // Original image width
// b.write(2, 0x6666); // Original image height

b.write(4, getRandomInt()); // Random
b.write(4, Date.now() / 1000); // Creation timestamp
b.write(1, 0x55); // Object type
b.write(1, 0x44); // Object localization
b.write(3, 0x333333); // Application Id
b.write(2, 0x1111); // Image width
b.write(2, 0x2222); // Image height
b.write(2, 0x6666); // Provider Id
b.write(4, 0x77777777); // Product creation timestamp
b.write(5, 0x8888888888); // Product random
b.write(3, 0x999999); // Product counter
b.write(4, getRandomInt()); // Original image random
b.write(4, Date.now() / 1000); // original image timestamp
b.write(2, 0x2222); // Original image width
b.write(2, 0x6666); // Original image height

console.log(b.offset);
console.log(buffer);
const result = baser62.encode(buffer)
console.log(result.length);
console.log(result);

// 4; Random number
// 6; Millisecond timestamp
// 2; Object type
// 2; Object localization
// 3; Application Id
// 2; Image width
// 2; Image height

// 4; Random number
// 6; Millisecond timestamp
// 2; Object type
// 2; Object localization
// 3; Application Id
// 2; Image width
// 2; Image height
// 2; Provider Id
// 4; Product creation timestamp
// 5; Product random
// 3; Product couter

// 4; Random number
// 6; Millisecond timestamp
// 2; Object type
// 2; Object localization
// 3; Application Id
// 2; Image width
// 2; Image height
// 2; Provider Id
// 4; Product creation timestamp
// 5; Product random
// 3; Product couter
// 4; Random number
// 6; Millisecond timestamp
// 2; Original Image width
// 2; Original Image height




// 0x00 = null
// 0x10 = null
// 0x01 = static images created by developers
// 0x11 = static images thumbs created by developers
// 0x02 = static images created by client
// 0x12 = static images thumbs by client
// 0x03 = example products images
// 0x13 = example products thumbs
// 0x04 = products images
// 0x14 = products thumbs
// 0x15 = integrations images
// 0x15 = integrations thumbs
// 0x16 = integrations images
// 0x16 = integrations thumbs