const { REGIONS } = require('../config/constants');

module.exports = (sequelize, DataTypes) => {
    const Region = sequelize.define('Region', {
        id: {
            type: DataTypes.UUID,
            defaultValue: DataTypes.UUIDV4,
            primaryKey: true
        },
        name: {
            type: DataTypes.ENUM(Object.values(REGIONS)),
            unique: true,
            allowNull: false
        },
        description: {
            type: DataTypes.TEXT,
            allowNull: true
        },
        regionalManagerId: {
            type: DataTypes.UUID,
            allowNull: true,
            references: {
                model: 'users',
                key: 'id'
            }
        }
    }, {
        tableName: 'regions',
        timestamps: true
    });

    Region.associate = (models) => {
        Region.belongsTo(models.User, {
            foreignKey: 'regionalManagerId',
            as: 'regionalManager'
        });
        Region.hasMany(models.Zone, {
            foreignKey: 'regionId',
            as: 'zones'
        });
    };

    return Region;
};