const { CONSTITUTIONAL_CHANGE_TYPES, CONSTITUTIONAL_STAGES } = require('../config/constants');

module.exports = (sequelize, DataTypes) => {
    const ConstitutionalChange = sequelize.define('ConstitutionalChange', {
        id: {
            type: DataTypes.UUID,
            defaultValue: DataTypes.UUIDV4,
            primaryKey: true
        },
        requestId: {
            type: DataTypes.STRING,
            unique: true,
            allowNull: false
        },
        outletId: {
            type: DataTypes.UUID,
            allowNull: false,
            references: {
                model: 'outlets',
                key: 'id'
            }
        },
        dealerId: {
            type: DataTypes.UUID,
            allowNull: false,
            references: {
                model: 'users',
                key: 'id'
            }
        },
        changeType: {
            type: DataTypes.ENUM(Object.values(CONSTITUTIONAL_CHANGE_TYPES)),
            allowNull: false
        },
        description: {
            type: DataTypes.TEXT,
            allowNull: false
        },
        currentStage: {
            type: DataTypes.ENUM(Object.values(CONSTITUTIONAL_STAGES)),
            defaultValue: CONSTITUTIONAL_STAGES.DD_ADMIN_REVIEW
        },
        status: {
            type: DataTypes.STRING,
            defaultValue: 'Pending'
        },
        progressPercentage: {
            type: DataTypes.INTEGER,
            defaultValue: 0
        },
        documents: {
            type: DataTypes.JSON,
            defaultValue: []
        },
        timeline: {
            type: DataTypes.JSON,
            defaultValue: []
        }
    }, {
        tableName: 'constitutional_changes',
        timestamps: true,
        indexes: [
            { fields: ['requestId'] },
            { fields: ['outletId'] },
            { fields: ['dealerId'] },
            { fields: ['currentStage'] }
        ]
    });

    ConstitutionalChange.associate = (models) => {
        ConstitutionalChange.belongsTo(models.Outlet, {
            foreignKey: 'outletId',
            as: 'outlet'
        });
        ConstitutionalChange.belongsTo(models.User, {
            foreignKey: 'dealerId',
            as: 'dealer'
        });
        ConstitutionalChange.hasMany(models.Worknote, {
            foreignKey: 'requestId',
            as: 'worknotes',
            scope: { requestType: 'constitutional' }
        });
    };

    return ConstitutionalChange;
};