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

export interface ActivityAttributes extends Optional<ActivityInterface, 'id'> { }

export class Activity extends Model<ActivityInterface, ActivityAttributes> implements ActivityInterface {
    public id!: number;
    public code!: string;
    public replacements!: string;
    public isRevision!: boolean;
    public revisionId!: number;
    public userId!: number;
    public accountId!: number | null;
    public lastUpdatedBy!: number;
    public status!: number;
    public sortOrder!: number;
    public readonly createdAt!: Date;
    public readonly updatedAt!: Date;

    static initModel(sequelize: Sequelize): typeof Activity {
        Activity.init(
            {
                id: { type: DataTypes.BIGINT, autoIncrement: true, primaryKey: true, comment: "unique identifier" },
                userId: { type: DataTypes.BIGINT, allowNull: true, defaultValue: null, comment: "user identifier" },
                accountId: { type: DataTypes.BIGINT, allowNull: true, defaultValue: null,unique: "unique-activity", comment: "user account identifier" },
                lastUpdatedBy: { type: DataTypes.BIGINT, allowNull: true, defaultValue: null, comment: "user identifier" },
                code: { type: DataTypes.STRING, allowNull: true, defaultValue: null, unique: "unique-activity", comment: "activity code" },
                replacements: { type: DataTypes.STRING, allowNull: true, defaultValue: null, comment: "activity code" },
                isRevision: { type: DataTypes.BOOLEAN, allowNull: false, defaultValue: false, comment: "is revision?" },
                revisionId: { type: DataTypes.BIGINT, allowNull: true, defaultValue: null, comment: "revision ref identifier" },
                status: { type: DataTypes.INTEGER, defaultValue: 1, comment: "status of Activity. 0-> Inactive, 1-> Active" },
                sortOrder: { type: DataTypes.INTEGER, defaultValue: 0, comment: "activity sort order" }
            },
            {
                paranoid: true,
                underscored: true,
                sequelize,
                tableName: 'activities',
                timestamps: true,
                indexes: [
                    { name: 'activity-revision-index', fields: ['is_revision'] },
                    { name: 'activity-status-index', fields: ['status'] },
                    { name: 'activity-code-index', fields: ['code'] }
                ]
            }
        );
        return Activity;
    }

    public static associate(models: any) {
        Activity.belongsTo(models.User, { foreignKey: 'userId', as: 'author' });
        Activity.belongsTo(models.User, { foreignKey: 'lastUpdatedBy', as: 'updatedBy' });
        Activity.hasOne(models.ActivityContent, { foreignKey: 'activityId', as: 'defaultContent', onDelete: 'cascade', hooks: true });
        Activity.hasOne(models.ActivityContent, { foreignKey: 'activityId', as: 'content', onDelete: 'cascade', hooks: true });
        Activity.hasMany(models.ActivityContent, { foreignKey: 'activityId', as: 'activityContents', onDelete: 'cascade', hooks: true });
    }
}