using Microsoft.Extensions.Logging;
using XiangYi.Application.Interfaces;
using XiangYi.Core.Entities.Biz;
using XiangYi.Core.Interfaces;

namespace XiangYi.Application.Services;

/// <summary>
/// 系统配置服务实现
/// </summary>
public class SystemConfigService : ISystemConfigService
{
    private readonly IRepository<SystemConfig> _configRepository;
    private readonly ILogger<SystemConfigService> _logger;

    /// <summary>
    /// 默认头像配置键
    /// </summary>
    public const string DefaultAvatarKey = "default_avatar";

    /// <summary>
    /// 用户协议配置键
    /// </summary>
    public const string UserAgreementKey = "user_agreement";

    /// <summary>
    /// 隐私协议配置键
    /// </summary>
    public const string PrivacyPolicyKey = "privacy_policy";

    /// <summary>
    /// 会员权益长图配置键
    /// </summary>
    public const string MemberBenefitsImageKey = "member_benefits_image";

    /// <summary>
    /// 搜索页Banner配置键
    /// </summary>
    public const string SearchBannerKey = "search_banner";

    /// <summary>
    /// 管家二维码配置键
    /// </summary>
    public const string ButlerQrcodeKey = "butler_qrcode";

    public SystemConfigService(
        IRepository<SystemConfig> configRepository,
        ILogger<SystemConfigService> logger)
    {
        _configRepository = configRepository;
        _logger = logger;
    }

    /// <inheritdoc />
    public async Task<string?> GetConfigValueAsync(string key)
    {
        var configs = await _configRepository.GetListAsync(c => c.ConfigKey == key);
        return configs.FirstOrDefault()?.ConfigValue;
    }

    /// <inheritdoc />
    public async Task<bool> SetConfigValueAsync(string key, string value, string? description = null)
    {
        try
        {
            var configs = await _configRepository.GetListAsync(c => c.ConfigKey == key);
            var config = configs.FirstOrDefault();

            if (config != null)
            {
                config.ConfigValue = value;
                config.UpdateTime = DateTime.Now;
                if (description != null)
                {
                    config.Description = description;
                }
                await _configRepository.UpdateAsync(config);
            }
            else
            {
                config = new SystemConfig
                {
                    ConfigKey = key,
                    ConfigValue = value,
                    ConfigType = "system",
                    Description = description,
                    CreateTime = DateTime.Now,
                    UpdateTime = DateTime.Now
                };
                await _configRepository.AddAsync(config);
            }

            return true;
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "设置配置失败: {Key}", key);
            return false;
        }
    }

    /// <inheritdoc />
    public async Task<string?> GetDefaultAvatarAsync()
    {
        return await GetConfigValueAsync(DefaultAvatarKey);
    }

    /// <inheritdoc />
    public async Task<bool> SetDefaultAvatarAsync(string avatarUrl)
    {
        return await SetConfigValueAsync(DefaultAvatarKey, avatarUrl, "新用户默认头像");
    }

    /// <inheritdoc />
    public async Task<Dictionary<string, string>> GetAllConfigsAsync()
    {
        var configs = await _configRepository.GetListAsync(c => true);
        return configs.ToDictionary(c => c.ConfigKey, c => c.ConfigValue);
    }

    /// <inheritdoc />
    public async Task<string?> GetUserAgreementAsync()
    {
        return await GetConfigValueAsync(UserAgreementKey);
    }

    /// <inheritdoc />
    public async Task<bool> SetUserAgreementAsync(string content)
    {
        return await SetConfigValueAsync(UserAgreementKey, content, "用户协议内容");
    }

    /// <inheritdoc />
    public async Task<string?> GetPrivacyPolicyAsync()
    {
        return await GetConfigValueAsync(PrivacyPolicyKey);
    }

    /// <inheritdoc />
    public async Task<bool> SetPrivacyPolicyAsync(string content)
    {
        return await SetConfigValueAsync(PrivacyPolicyKey, content, "隐私协议内容");
    }

    /// <inheritdoc />
    public async Task<string?> GetMemberBenefitsImageAsync()
    {
        return await GetConfigValueAsync(MemberBenefitsImageKey);
    }

    /// <inheritdoc />
    public async Task<bool> SetMemberBenefitsImageAsync(string imageUrl)
    {
        return await SetConfigValueAsync(MemberBenefitsImageKey, imageUrl, "会员权益长图URL");
    }

    /// <inheritdoc />
    public async Task<string?> GetSearchBannerAsync()
    {
        return await GetConfigValueAsync(SearchBannerKey);
    }

    /// <inheritdoc />
    public async Task<bool> SetSearchBannerAsync(string imageUrl)
    {
        return await SetConfigValueAsync(SearchBannerKey, imageUrl, "搜索页Banner图URL");
    }

    /// <inheritdoc />
    public async Task<string?> GetButlerQrcodeAsync()
    {
        return await GetConfigValueAsync(ButlerQrcodeKey);
    }

    /// <inheritdoc />
    public async Task<bool> SetButlerQrcodeAsync(string imageUrl)
    {
        return await SetConfigValueAsync(ButlerQrcodeKey, imageUrl, "管家指导二维码URL");
    }
}