using System;
using System.Collections.Generic;
using Kreta.Naplo.Infrastructure;

namespace Kreta.Naplo.Domain
{
    /// <summary>
    /// Service contect
    /// </summary>
    public class ServiceContext
    {
        /// <summary>
        /// Institute code
        /// </summary>
        public string InstituteCode { get; }

        /// <summary>
        /// User identitier
        /// </summary>
        public int UserId { get; }

        /// <summary>
        /// User roles 
        /// </summary>
        public IEnumerable<string> UserRoles { get; }

        /// <summary>
        /// Base url
        /// </summary>
        public string BaseUrl { get; }
        public int SchoolYearId { get; }

        /// <summary>
        /// Api key
        /// </summary>
        public string ApiKey { get; }

        /// <summary>
        /// User agent
        /// </summary>
        public string UserAgent { get; }

        /// <summary>
        /// Constuctor
        /// </summary>
        /// <param name="instituteCode">Institute code</param>
        /// <param name="userId">User Id</param>
        /// <param name="userRoles">User roles</param>
        /// <param name="baseUrl">Base url</param>
        /// <param name="apiKey">Api key</param>
        /// <param name="userAgent">User Agent</param>
        public ServiceContext(string instituteCode, int userId, IEnumerable<string> userRoles, string baseUrl, string apiKey, string userAgent, int schoolYearId)
        {
            if (string.IsNullOrWhiteSpace(instituteCode))
            {
                throw new ArgumentException($"{nameof(InstituteCode)} cannot be null or white space");
            }

            this.InstituteCode = instituteCode;

            if (userId < Constants.MinimumPrimaryKeyValue)
            {
                throw new ArgumentException($"{nameof(userId)} must be greater or equal than {Constants.MinimumPrimaryKeyValue}");
            }

            if (schoolYearId < Constants.MinimumPrimaryKeyValue)
            {
                throw new ArgumentException($"{nameof(schoolYearId)} must be greater or equal than {Constants.MinimumPrimaryKeyValue}");
            }
            this.SchoolYearId = schoolYearId;

            this.UserId = userId;

            this.UserRoles = userRoles ?? throw new ArgumentNullException(nameof(userRoles));

            if (string.IsNullOrWhiteSpace(baseUrl))
            {
                throw new ArgumentException($"{nameof(baseUrl)} cannot be null or white space");
            }

            this.BaseUrl = baseUrl;

            if (string.IsNullOrWhiteSpace(apiKey))
            {
                throw new ArgumentException($"{nameof(apiKey)} cannot be null or white space");
            }

            this.ApiKey = apiKey;

            UserAgent = userAgent ?? throw new ArgumentNullException(nameof(userAgent));
        }
    }
}