import { Model, DataTypes, Sequelize } from 'sequelize';

export interface DistrictAttributes {
    id: string;
    stateId: string;
    zoneId: string;
    regionId: string;
    districtName: string;
    isActive: boolean;
}

export interface DistrictInstance extends Model<DistrictAttributes>, DistrictAttributes { }

export default (sequelize: Sequelize) => {
    const District = sequelize.define<DistrictInstance>('District', {
        id: {
            type: DataTypes.UUID,
            defaultValue: DataTypes.UUIDV4,
            primaryKey: true
        },
        stateId: {
            type: DataTypes.UUID,
            allowNull: false,
            references: {
                model: 'states',
                key: 'id'
            }
        },
        zoneId: {
            type: DataTypes.UUID,
            allowNull: true,
            references: {
                model: 'zones',
                key: 'id'
            }
        },
        regionId: {
            type: DataTypes.UUID,
            allowNull: true,
            references: {
                model: 'regions',
                key: 'id'
            }
        },
        districtName: {
            type: DataTypes.STRING,
            allowNull: false
        },
        isActive: {
            type: DataTypes.BOOLEAN,
            defaultValue: true
        }
    }, {
        tableName: 'districts',
        timestamps: true
    });

    (District as any).associate = (models: any) => {
        District.belongsTo(models.State, {
            foreignKey: 'stateId',
            as: 'state'
        });
        District.belongsTo(models.Zone, {
            foreignKey: 'zoneId',
            as: 'zone'
        });
        District.belongsTo(models.Region, {
            foreignKey: 'regionId',
            as: 'region'
        });
        District.hasMany(models.Area, {
            foreignKey: 'districtId',
            as: 'areas'
        });
    };

    return District;
};