module.exports = (sequelize, DataTypes) => {
    const SubmissionProduct = sequelize.define("submission_products", {
      id: {
        type: DataTypes.INTEGER,
        autoIncrement: true,
        primaryKey: true,
      },
      submission_id: {
        type: DataTypes.INTEGER,
        allowNull: false,
      },
      product_id: DataTypes.INTEGER,
      unit_id: DataTypes.INTEGER,
      annual_installed_capacity: DataTypes.STRING(100),
      
      // --- Previous Periods ---
      previous_quantity_period_one: { type: DataTypes.STRING(100), allowNull: true },
      previous_quantity_period_two: { type: DataTypes.STRING(100), allowNull: true },
      previous_quantity_period_three: { type: DataTypes.STRING(100), allowNull: true },

      previous_cost_period_one: { type: DataTypes.STRING(100), allowNull: true },
      previous_cost_period_two: { type: DataTypes.STRING(100), allowNull: true },
      previous_cost_period_three: { type: DataTypes.STRING(100), allowNull: true },

      // --- Current Periods ---
      current_quantity_period_one: { type: DataTypes.STRING(100), allowNull: true },
      current_quantity_period_two: { type: DataTypes.STRING(100), allowNull: true },
      current_quantity_period_three: { type: DataTypes.STRING(100), allowNull: true },

      current_cost_period_one: { type: DataTypes.STRING(100), allowNull: true },
      current_cost_period_two: { type: DataTypes.STRING(100), allowNull: true },
      current_cost_period_three: { type: DataTypes.STRING(100), allowNull: true },

      // --- Forecast Periods ---
      forecast_quantity_period_one: { type: DataTypes.STRING(100), allowNull: true },
      forecast_quantity_period_two: { type: DataTypes.STRING(100), allowNull: true },
      forecast_quantity_period_three: { type: DataTypes.STRING(100), allowNull: true },

      forecast_cost_period_one: { type: DataTypes.STRING(100), allowNull: true },
      forecast_cost_period_two: { type: DataTypes.STRING(100), allowNull: true },
      forecast_cost_period_three: { type: DataTypes.STRING(100), allowNull: true },

      previous_quantity: DataTypes.STRING(100),
      previous_cost: DataTypes.STRING(100),
      current_quantity: DataTypes.STRING(100),
      current_cost: DataTypes.STRING(100),
      forecast_quantity: DataTypes.STRING(100),
      forecast_cost: DataTypes.STRING(100),
      variation_reason_master_id: DataTypes.INTEGER,
      other_variation_reason: DataTypes.STRING(255),
      zero_target_reason_master_id: DataTypes.INTEGER,
      other_zero_target_reason: DataTypes.STRING(255),
      remarks: DataTypes.STRING(255),
      created_by: DataTypes.INTEGER,
      updated_by: DataTypes.INTEGER,
      is_active: {
        type: DataTypes.BOOLEAN,
        defaultValue: true,
      },
      created_at: {
        type: DataTypes.DATE,
        defaultValue: DataTypes.NOW,
      },
      updated_at: {
        type: DataTypes.DATE,
        allowNull: true,
      },
    }, {
      tableName: "submission_products",
      timestamps: false,
    });
  
    SubmissionProduct.associate = (models) => {
      SubmissionProduct.belongsTo(models.Submission, {
        foreignKey: "submission_id",
        as: "submission",
      });
    };

    SubmissionProduct.associate = (models) => {

        SubmissionProduct.belongsTo(models.Product, { 
          foreignKey: "product_id",
          as: "product",
        });

        SubmissionProduct.belongsTo(models.UnitMaster, {
          foreignKey: "unit_id",
          as: "unit",
        });

        SubmissionProduct.belongsTo(models.VariationReasonMaster, {
          foreignKey: "variation_reason_master_id",
          as: "variation_reason",
        });
        
        SubmissionProduct.belongsTo(models.ZeroTargetReasonMaster, {
          foreignKey: "zero_target_reason_master_id",
          as: "zero_target_reason",
        });
        
        
     };
  
    return SubmissionProduct;
  };