const crypto = require('crypto');
const mongoose = require('mongoose');

const schema = new mongoose.Schema({
  tokenGtoP: { type: String, required: true, unique: true },
  tokenPtoG: { type: String, required: true, unique: true },
});
class SlackAppIntegration {

  static generateAccessToken() {
    const hasher1 = crypto.createHash('sha512');
    const hasher2 = crypto.createHash('sha512');
    const tokenGtoP = hasher1.update(`${new Date().getTime().toString()}proxy`).digest('base64');
    const tokenPtoG = hasher2.update(`${new Date().getTime().toString()}growi`).digest('base64');
    return [tokenGtoP, tokenPtoG];
  }

}

module.exports = function(crowi) {
  SlackAppIntegration.crowi = crowi;
  schema.loadClass(SlackAppIntegration);
  return mongoose.model('SlackAppIntegration', schema);
};