using System;
using System.Threading.Tasks;
using Microsoft.Extensions.Logging;
using xCommons.Extensions;
using xExceptions.Constants;
using xMessageService.Interfaces;
using xMessageService.Models;

namespace xMessageService.Providers {
    public partial class XMessageProvider : IXMessageProvider {
        private readonly XMessageConfiguration configuration;
        private readonly ILogger<XMessageProvider> logger;
        private readonly IXSmsService smsService;
        private readonly IXMailService mailService;

        public XMessageProvider (
            XMessageConfiguration configuration,
            ILogger<XMessageProvider> logger,
            IXSmsService smsService,
            IXMailService mailService
        ) {
            this.configuration = configuration;
            this.logger = logger;
            this.smsService = smsService;
            this.mailService = mailService;
        }

        /// <summary>
        /// Send a Mail Message
        /// </summary>
        /// <param name="message"></param>
        /// <param name="provider"></param>
        /// <param name="throwException"></param>
        /// <param name="exception"></param>
        /// <returns></returns>
        public async Task SendMailAsync (
            XMessage message,
            string provider = null,
            bool throwException = true,
            Exception exception = null
        ) {
            //
            if (exception.IsNull ()) {
                exception = XException.ActionFailed.ToException ();
            }

            //
            try {
                await mailService.SendMailAsync (message, provider);
            } catch (Exception ex) {
                //
                logger.LogError ($"Exeption: {ex.Message}");

                //
                if (throwException) {
                    throw exception;
                }
            }
        }

        /// <summary>
        /// Send SMS Message 
        /// </summary>
        /// <param name="message"></param>
        /// <returns></returns>
        public async Task SendSmsAsync (
            XMessage message,
            string provider = null,
            bool throwException = true,
            Exception exception = null
        ) {
            //
            if (exception.IsNull ()) {
                exception = XException.ActionFailed.ToException ();
            }

            //
            try {
                await smsService.SendSmsAsync (message, provider);
            } catch {
                if (throwException) {
                    throw exception;
                }
            }
        }

        /// <summary>
        /// Check Message Provider is Ready or not
        /// </summary>
        /// <param name="checkMailService"></param>
        /// <param name="checkSmsService"></param>
        /// <returns></returns>
        public bool IsReady (
            bool? checkMailService = false,
            bool? checkSmsService = false
        ) {
            //
            var result = true;

            //
            // Check Mail Service ...
            if (checkMailService.HasValue &&
                checkMailService.GetValueOrDefault ()) {
                result = result && mailService != null;
            }

            //
            // Check Sms Service ...
            if (checkSmsService.HasValue &&
                checkSmsService.GetValueOrDefault ()) {
                result = result && smsService != null;
            }

            //
            return result;
        }
    }
}