const { RESIGNATION_TYPES, RESIGNATION_STAGES } = require('../config/constants');

module.exports = (sequelize, DataTypes) => {
  const Resignation = sequelize.define('Resignation', {
    id: {
      type: DataTypes.UUID,
      defaultValue: DataTypes.UUIDV4,
      primaryKey: true
    },
    resignationId: {
      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'
      }
    },
    resignationType: {
      type: DataTypes.ENUM(Object.values(RESIGNATION_TYPES)),
      allowNull: false
    },
    lastOperationalDateSales: {
      type: DataTypes.DATEONLY,
      allowNull: false
    },
    lastOperationalDateServices: {
      type: DataTypes.DATEONLY,
      allowNull: false
    },
    reason: {
      type: DataTypes.TEXT,
      allowNull: false
    },
    additionalInfo: {
      type: DataTypes.TEXT,
      allowNull: true
    },
    currentStage: {
      type: DataTypes.ENUM(Object.values(RESIGNATION_STAGES)),
      defaultValue: RESIGNATION_STAGES.ASM
    },
    status: {
      type: DataTypes.STRING,
      defaultValue: 'Pending'
    },
    progressPercentage: {
      type: DataTypes.INTEGER,
      defaultValue: 0
    },
    submittedOn: {
      type: DataTypes.DATE,
      defaultValue: DataTypes.NOW
    },
    documents: {
      type: DataTypes.JSON,
      defaultValue: []
    },
    timeline: {
      type: DataTypes.JSON,
      defaultValue: []
    },
    rejectionReason: {
      type: DataTypes.TEXT,
      allowNull: true
    }
  }, {
    tableName: 'resignations',
    timestamps: true,
    indexes: [
      { fields: ['resignationId'] },
      { fields: ['outletId'] },
      { fields: ['dealerId'] },
      { fields: ['currentStage'] },
      { fields: ['status'] }
    ]
  });

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

  return Resignation;
};