using System;
using System.Collections.Generic;
using UnityEngine;

namespace UnityEngine.Purchasing
{
    /// <summary>
    /// Definition of a purchase payout
    /// </summary>
    [Serializable]
    public class PayoutDefinition
    {
        [SerializeField]
        PayoutType m_Type = PayoutType.Other;

        [SerializeField]
        string m_Subtype = string.Empty;

        [SerializeField]
        double m_Quantity;

        [SerializeField]
        string m_Data = string.Empty;

        /// <summary>
        /// Type of the payout
        /// </summary>
        public PayoutType type
        {
            get => m_Type;
            private set => m_Type = value;
        }


        /// <summary>
        /// Type of the payout as a string
        /// </summary>
        public string typeString => m_Type.ToString();


        /// <summary>
        /// Maximum string length of the payout subtype
        /// </summary>
        public const int MaxSubtypeLength = 64;

        /// <summary>
        /// Subtype of the payout
        /// </summary>
        public string subtype
        {
            get => m_Subtype;
            private set
            {
                if (value.Length > MaxSubtypeLength)
                {
                    throw new ArgumentException(string.Format("subtype cannot be longer than {0}", MaxSubtypeLength));
                }

                m_Subtype = value;
            }
        }

        /// <summary>
        /// Quantity or value of the payout
        /// </summary>
        public double quantity
        {
            get => m_Quantity;
            private set => m_Quantity = value;
        }

        /// <summary>
        /// Maximum number of bytes of the payout data
        /// </summary>
        public const int MaxDataLength = 1024;

        /// <summary>
        /// Payload data of the payout
        /// </summary>
        public string data
        {
            get => m_Data;
            private set
            {
                if (value.Length > MaxDataLength)
                {
                    throw new ArgumentException(string.Format("data cannot be longer than {0}", MaxDataLength));
                }

                m_Data = value;
            }
        }

        /// <summary>
        /// Default constructor
        /// </summary>
        public PayoutDefinition()
        {
        }

        /// <summary>
        /// Parametrized constructor
        /// </summary>
        /// <param name="typeString"> The payout type, as a string. </param>
        /// <param name="subtype"> The payout subtype. </param>
        /// <param name="quantity"> The payout quantity. </param>
        public PayoutDefinition(string typeString, string subtype, double quantity) : this(typeString, subtype, quantity, string.Empty)
        {
        }

        /// <summary>
        /// Parametrized constructor
        /// </summary>
        /// <param name="typeString"> The payout type, as a string. </param>
        /// <param name="subtype"> The payout subtype. </param>
        /// <param name="quantity"> The payout quantity. </param>
        /// <param name="data"> The payout data. </param>
        public PayoutDefinition(string typeString, string subtype, double quantity, string data)
        {
            var t = PayoutType.Other;
            if (Enum.IsDefined(typeof(PayoutType), typeString))
            {
                t = (PayoutType)Enum.Parse(typeof(PayoutType), typeString);
            }

            type = t;
            this.subtype = subtype;
            this.quantity = quantity;
            this.data = data;
        }

        /// <summary>
        /// Parametrized constructor
        /// </summary>
        /// <param name="subtype"> The payout subtype. </param>
        /// <param name="quantity"> The payout quantity. </param>
        public PayoutDefinition(string subtype, double quantity) : this(PayoutType.Other, subtype, quantity, string.Empty)
        {
        }

        /// <summary>
        /// Parametrized constructor
        /// </summary>
        /// <param name="subtype"> The payout subtype. </param>
        /// <param name="quantity"> The payout quantity. </param>
        /// <param name="data"> The payout data. </param>
        public PayoutDefinition(string subtype, double quantity, string data) : this(PayoutType.Other, subtype, quantity, data)
        {
        }

        /// <summary>
        /// Parametrized constructor
        /// </summary>
        /// <param name="type"> The payout type. </param>
        /// <param name="subtype"> The payout subtype. </param>
        /// <param name="quantity"> The payout quantity. </param>
        public PayoutDefinition(PayoutType type, string subtype, double quantity) : this(type, subtype, quantity, string.Empty)
        {
        }

        /// <summary>
        /// Parametrized constructor
        /// </summary>
        /// <param name="type"> The payout type. </param>
        /// <param name="subtype"> The payout subtype. </param>
        /// <param name="quantity"> The payout quantity. </param>
        /// <param name="data"> The payout data. </param>
        public PayoutDefinition(PayoutType type, string subtype, double quantity, string data)
        {
            this.type = type;
            this.subtype = subtype;
            this.quantity = quantity;
            this.data = data;
        }
    }
}