using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using xCommons.Configurations;
using xCommons.Extensions;
using xCommons.Providers;
using xIdentityService.Controllers;
using xIdentityService.Interfaces;
using xServices.TermsConditions.Interfaces;

namespace xServices.TermsConditions.Controllers
{
    /// <summary>
    /// a Controller base Class which implement based Actions to Provides Terms and Conditions Provider Access ...
    /// </summary>
    public abstract class XTermsConditionsControllerActions : XIBaseProviderController, IXTermsConditionsControllerActions
    {
        //
        #region Props ...
        public IXTermsComditionsProvider TermsProvider { get; }
        #endregion

        //
        #region Constructor ...
        public XTermsConditionsControllerActions(
            ILogger logger,
            XAppConfiguration appConfiguration,
            IXIdentityProvider identityProvider,
            XValidationProvider validationProvider,
            IXTermsComditionsProvider termsProvider
        ) : base(
            logger,
            appConfiguration,
            identityProvider,
            validationProvider
        )
        {
            //
            TermsProvider = termsProvider;
        }
        #endregion

        //
        #region Actions ...
        /// <summary>
        /// Retrieved all Exists Languages Terms and Conditions ...
        /// </summary>
        /// <returns></returns>
        [HttpGet("Terms/Languages")]
        public async Task<ActionResult<IEnumerable<string>>> TermsLanguages()
        {
            //
            // Do ...
            try
            {
                //
                // Retrieve User Info ...
                var userInfo = await GetUserInfo();
                var connectionId = GetConnectionId();

                //
                var result = await TermsProvider.TermsLanguages();

                //
                return Ok(result
                    .ToDynamicObject());
            }
            catch (Exception ex)
            {
                //
                var result = GetExceptionActionResult(ex);
                return result;
            }            
        }

        /// <summary>
        /// Check Has Terms and Conditions based on Specified Language ...
        /// </summary>
        /// <param name="language">if null, used Default Language ...</param>
        /// <returns></returns>
        [HttpGet("Terms/{language}/Has")]
        public async Task<ActionResult<bool>> HasTerms(
            [FromRoute] string language = null
        )
        {
            //
            // Do ...
            try
            {
                //
                // Retrieve User Info ...
                var userInfo = await GetUserInfo();
                var connectionId = GetConnectionId();

                //
                var result = await TermsProvider.HasTerms(
                    language: language
                );

                //
                return Ok(result);
            }
            catch (Exception ex)
            {
                //
                var result = GetExceptionActionResult(ex);
                return result;
            }
        }

        /// <summary>
        /// Retrieve Terms and Conditions for Specified Language ...
        /// </summary>
        /// <param name="language">if null, used Default Language ...</param>
        /// <returns></returns>
        [HttpGet("Terms/{language}")]
        public async Task<ActionResult<string>> GetTerms(
            [FromRoute] string language = null
        )
        {
            //
            // Do ...
            try
            {
                //
                // Retrieve User Info ...
                var userInfo = await GetUserInfo();
                var connectionId = GetConnectionId();

                //
                var result = await TermsProvider.GetTerms(
                    language: language
                );

                //
                return Ok(result);
            }
            catch (Exception ex)
            {
                //
                var result = GetExceptionActionResult(ex);
                return result;
            }
        }

        /// <summary>
        /// Add Terms and Conditions for Specified Language ...
        /// </summary>
        /// <param name="language"></param>
        /// <param name="terms"></param>
        /// <returns></returns>
        [HttpPost("Terms/{language}")]
        public async Task<ActionResult<string>> AddTerms(
            [FromRoute] string language,
            [FromQuery] string terms
        )
        {
            //
            // Do ...
            try
            {
                //
                // Retrieve User Info ...
                var userInfo = await GetUserInfo();
                var connectionId = GetConnectionId();

                //
                var result = await TermsProvider.AddTerms(
                    language: language,
                    terms: terms,
                    userInfo: userInfo,
                    connectionId: connectionId
                );

                //
                return Ok(result);
            }
            catch (Exception ex)
            {
                //
                var result = GetExceptionActionResult(ex);
                return result;
            }
        }

        /// <summary>
        /// Remove Terms and Conditions of Specified Language ...
        /// </summary>
        /// <param name="language"></param>
        /// <returns></returns>
        [HttpDelete("Terms/{language}")]
        public async Task<ActionResult<bool>> RemoveTerms(
            [FromRoute] string language
        )
        {
            //
            // Do ...
            try
            {
                //
                // Retrieve User Info ...
                var userInfo = await GetUserInfo();
                var connectionId = GetConnectionId();

                //
                var result = await TermsProvider.RemoveTerms(
                    language: language,
                    userInfo: userInfo,
                    connectionId: connectionId
                );

                //
                return Ok(result);
            }
            catch (Exception ex)
            {
                //
                var result = GetExceptionActionResult(ex);
                return result;
            }
        }

        /// <summary>
        /// Update Terms and Conditions of Specified Language ...
        /// </summary>
        /// <param name="language"></param>
        /// <param name="terms"></param>
        /// <returns></returns>
        [HttpPut("Terms/{language}")]
        public async Task<ActionResult<bool>> UpdateTerms(
            [FromRoute] string language,
            [FromQuery] string terms
        )
        {
            //
            // Do ...
            try
            {
                //
                // Retrieve User Info ...
                var userInfo = await GetUserInfo();
                var connectionId = GetConnectionId();

                //
                var result = await TermsProvider.UpdateTerms(
                    language: language,
                    terms: terms,
                    userInfo: userInfo,
                    connectionId: connectionId
                );

                //
                return Ok(result);
            }
            catch (Exception ex)
            {
                //
                var result = GetExceptionActionResult(ex);
                return result;
            }
        }
        #endregion

        //
        #region NonActions ...
        #endregion
    }
}