package com.example.demo.serviceImpl.coin;

import com.example.demo.domain.entity.Translation;
import com.example.demo.mapper.coin.TranslationMapper;
import com.example.demo.service.coin.TranslationService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Service
public class TranslationServiceImpl implements TranslationService {

    @Autowired
    private TranslationMapper translationMapper;

    @Override
    public List<Translation> findAll() {
        return translationMapper.findAll();
    }

    @Override
    public boolean add(Translation translation) {
        // 使用精确匹配检查是否存在相同的 chineseSimplified
        Translation existingTranslation = translationMapper.findByChineseSimplified(translation.getChineseSimplified());
        if (existingTranslation != null) {
            throw new RuntimeException("简体中文已存在");
        }
        return translationMapper.insert(translation) > 0;
    }

    @Override
    public boolean update(Translation translation) {
        return translationMapper.update(translation) > 0;
    }

    @Override
    public boolean deleteById(Integer id) {
        return translationMapper.deleteById(id) > 0;
    }

    @Override
    public List<Translation> findByChineseSimplifiedLike(String chineseSimplified) {
        return translationMapper.findByChineseSimplifiedLike(chineseSimplified);
    }

    @Override
    public Translation findByChineseSimplified(String chineseSimplified) {
        return translationMapper.findByChineseSimplified(chineseSimplified);
    }

    @Override
    public List<Translation> findByLanguageAndTranslationStatus(String language, boolean isTranslated) {
        // 语言字段映射关系
        Map<String, String> languageColumnMap = new HashMap<>();
        languageColumnMap.put("en", "english");           // 英语
        languageColumnMap.put("th", "thai");              // 泰语
        languageColumnMap.put("zh_TW", "chinese_traditional"); // 繁体中文
        languageColumnMap.put("ms", "malay");             // 马来语
        languageColumnMap.put("vi", "vietnamese");        // 越南语

        String columnName = languageColumnMap.get(language.toLowerCase());
        if (columnName == null) {
            throw new IllegalArgumentException("不支持的语言类型: " + language);
        }

        return translationMapper.findByLanguageAndTranslationStatus(columnName, isTranslated);
    }

    @Override
    public List<Translation> findByChineseSimplifiedAndLanguageStatus(
            String chineseSimplified,
            String language,
            boolean isTranslated) {
        // 语言字段映射关系
        Map<String, String> languageColumnMap = new HashMap<>();
        languageColumnMap.put("en", "english");           // 英语
        languageColumnMap.put("th", "thai");              // 泰语
        languageColumnMap.put("zh_TW", "chinese_traditional"); // 繁体中文
        languageColumnMap.put("ms", "malay");             // 马来语
        languageColumnMap.put("vi", "vietnamese");        // 越南语

        String columnName = languageColumnMap.get(language.toLowerCase());
        if (columnName == null) {
            throw new IllegalArgumentException("不支持的语言类型: " + language);
        }
        return translationMapper.findByChineseSimplifiedAndLanguageStatus(
                chineseSimplified, columnName, isTranslated);
    }

    @Override
    public Translation findById(Integer id) {
        return translationMapper.findById(id);
    }
}