package com.cyksj.service.midjourney.impl;

import cn.hutool.core.collection.CollectionUtil;
import cn.hutool.core.map.MapUtil;
import cn.hutool.http.HttpRequest;
import cn.hutool.http.HttpUtil;
import cn.hutool.json.JSONArray;
import cn.hutool.json.JSONObject;
import cn.hutool.json.JSONUtil;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.cyksj.common.exception.BusinessRuntimeException;
import com.cyksj.common.task.GlobalThreadPoolTaskExecutor;
import com.cyksj.common.util.Jsons;
import com.cyksj.mapper.MidjourneyUserConversationMapper;
import com.cyksj.model.dto.BlendDimensions;
import com.cyksj.model.dto.MessageButton;
import com.cyksj.model.entity.MidjourneyUser;
import com.cyksj.model.entity.MidjourneyUserConversation;
import com.cyksj.model.response.SubmitResult;
import com.cyksj.redis.RedisService;
import com.cyksj.service.midjourney.MidjourneyService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;

import javax.imageio.stream.FileImageOutputStream;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.*;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.stream.Collectors;

/**
 * @author zwhui
 * @date 2024/4/23 15:44
 */
@Service
@Slf4j
@RequiredArgsConstructor
public class MidjourneyServiceImpl implements MidjourneyService {
    private static final String RELAX_HOST = "http://43.154.230.104:8080";
    private static final String FAST_HOST = "https://aigc.api4midjourney.com/api";
    private static final String FAST_TOKEN = "14a6b469-7cb2-4b99-9238-676c7c5cffef";

    private final MidjourneyUserConversationMapper conversationMapper;

    private static final List<String> progress = List.of("100%");

    private static final List<String> status = List.of("MODAL","CANCEL","FAILURE");

    private final RedisService redisService;

    private static final GlobalThreadPoolTaskExecutor TASK_EXECUTOR = GlobalThreadPoolTaskExecutor.getInstance();


    @Override
    public MidjourneyUserConversation submitImagine(MidjourneyUser user, String prompt, List<String> base64Array) throws Exception {
        Map<String, Object> imagineParam = MapUtil.builder(new HashMap<String,Object>())
                .put("prompt", prompt).put("state", user.getId()).build();
        if (CollectionUtil.isNotEmpty(base64Array)) {
            imagineParam.put("base64Array", base64Array);
        }
        SubmitResult result = submit(user.getMode(),"imagine", imagineParam);
        return saveConversation(user.getId(), user.getMode(),Long.parseLong(result.getResult()),result.getProperties(),"IMAGINE", StringUtils.EMPTY);
    }

    public MidjourneyUserConversation saveConversation(Long userId,Integer mode,Long taskId,Map<String,Object> properties, String action,String prompt) throws Exception {
        MidjourneyUserConversation conversation = new MidjourneyUserConversation()
                .setUserId(userId).setTaskId(taskId).setAction(action).setPrompt(prompt)
                .setMode(mode).setStartTime(System.currentTimeMillis()).setProgress("0%")
                .setStatus("IN_PROGRESS").setTaskId(taskId);
        if (MapUtil.isNotEmpty(properties)) {
            conversation.setProperties(Jsons.toJson(properties));
            conversation.setChannelId(properties.get("discordChannelId") == null ? null : Long.parseLong(properties.get("discordChannelId").toString()))
                    .setInstanceId(properties.get("discordInstanceId") == null ? null : Long.parseLong(properties.get("discordInstanceId").toString()));
        }
        conversationMapper.insert(conversation);
        return conversation;
    }


    @Override
    public MidjourneyUserConversation submitDescribe(MidjourneyUser user, String base64) throws Exception {
        Map<String, Object> param = MapUtil.builder(new HashMap<String,Object>()).put("state", user.getId()).put("base64", base64).build();
        SubmitResult result = submit(user.getMode(),"describe", param);
        return saveConversation(user.getId(), user.getMode(),Long.parseLong(result.getResult()),result.getProperties(),"DESCRIBE", StringUtils.EMPTY);
    }

    @Override
    public MidjourneyUserConversation submitBlend(MidjourneyUser user, BlendDimensions dimensions, List<String> base64Array) throws Exception {
        Map<String, Object> param = MapUtil.builder(new HashMap<String,Object>())
                .put("base64Array", base64Array).put("state", user.getId()).build();
        if (dimensions != null) {
            param.put("dimensions", dimensions);
        }
        SubmitResult result = submit(user.getMode(),"blend", param);
        Map<String, Object> properties = result.getProperties();
        if (user.getMode() == 1) {
            String finalPrompt = "%s --ar %s --style raw --s 250";
            List<String> picList = uploadBase64Pic(base64Array);
            String pics = picList.stream().map(pic -> "<" + pic + ">").collect(Collectors.joining(" "));
            properties.put("finalPrompt", String.format(finalPrompt, pics,dimensions.getValue()));
        }
        return saveConversation(user.getId(), user.getMode(), Long.parseLong(result.getResult()),properties,"BLEND", StringUtils.EMPTY);
    }

    @Override
    public MidjourneyUserConversation submitModal(MidjourneyUser user, Long taskId, String prompt, String maskBase64) throws Exception {
        Map<String, Object> param = MapUtil.builder(new HashMap<String,Object>())
                .put("taskId", taskId).put("state", user.getId()).build();
        if (StringUtils.isNotBlank(prompt)) {
            param.put("prompt", prompt);
        }
        if (StringUtils.isNotBlank(maskBase64)) {
            param.put("maskBase64", maskBase64);
        }
        SubmitResult result = submit(user.getMode(),"modal", param);
        return saveConversation(user.getId(),  user.getMode(),Long.parseLong(result.getResult()),result.getProperties(),"MODAL", StringUtils.EMPTY);
    }

    @Override
    public MidjourneyUserConversation submitShorten(MidjourneyUser user, String prompt) throws Exception {
        Map<String, Object> param = MapUtil.builder(new HashMap<String,Object>())
                .put("prompt", prompt).put("state", user.getId()).build();
        SubmitResult result = submit(user.getMode(),"shorten", param);
        return saveConversation(user.getId(), user.getMode(), Long.parseLong(result.getResult()),result.getProperties(),"SHORTEN", StringUtils.EMPTY);
    }

    /**
     * 恢复次数
     */
    public void recoverUserLimit(Long id,Integer mode,Integer num){
        if (mode == 1){
            redisService.incr(RedisService.key.MIDJOURNEY_FAST_LIMIT.getName() + id, 1L);
        }
        if (mode == 2){
            if (num != null) {
                redisService.incr(RedisService.key.MIDJOURNEY_RELAX_LIMIT.getName() + id, 1L);
            }
        }
    }
    @Override
    public MidjourneyUserConversation submitAction(MidjourneyUser user, Long taskId, String customId) throws Exception {
        MidjourneyUserConversation conversation = conversationMapper.selectOne(Wrappers.lambdaQuery(MidjourneyUserConversation.class).eq(MidjourneyUserConversation::getTaskId, taskId).last("limit 1"));
        if (conversation == null) {
            throw BusinessRuntimeException.getInstance("关联任务不存在或已失效");
        }
        if (!user.getMode().equals(conversation.getMode())) {
            throw BusinessRuntimeException.getInstance("当前出图模式与关联任务出图模式不符");
        }
        AtomicBoolean flag = new AtomicBoolean(false);
        if (StringUtils.isNotBlank(conversation.getButtons())){
            List<MessageButton> messageButtons = Jsons.parseList(conversation.getButtons(), MessageButton.class);
            messageButtons.forEach(button -> {
                if (button.getCustomId().equals(customId)) {
                    log.info("action customId:{}", customId);
                    button.setStyle(3);
                    if (button.getLabel().contains("Vary") || button.getCustomId().contains("::pan_")
                            || button.getEmoji().equals("🔄") || button.getCustomId().contains("PromptAnalyzer:")
                            || button.getCustomId().contains("PicReader::") || button.getCustomId().contains("::variation::")
                            || button.getCustomId().contains("::CustomZoom::")) {
                        flag.set(true);
                    }
                }
            });
            conversation.setButtons(Jsons.toJson(messageButtons));
        }
        conversation.setBookmark(customId.contains("BOOKMARK"));
        conversationMapper.updateById(conversation);
        if (conversation.getBookmark()) {
            return conversation;
        }
        Map<String, Object> param = MapUtil.builder(new HashMap<String,Object>())
                .put("taskId", taskId).put("state", user.getId()).put("customId", customId).build();
        SubmitResult result = submit(user.getMode(),"action", param);
        if (flag.get()) {
            // 以上操作有弹窗确认，恢复次数
            recoverUserLimit(user.getId(), user.getMode(),user.getMjRelaxNum());
        }
        return saveConversation(user.getId(), user.getMode(), Long.parseLong(result.getResult()),result.getProperties(),"ACTION", StringUtils.EMPTY);
    }


    public SubmitResult submit(Integer mode,String action, Map<String, Object> param) throws Exception {
        if (mode == 1) {
            param.put("mode", "FAST");
        }
        String url = (mode == 1 ? FAST_HOST : RELAX_HOST) + getActionUrl(action);
        String body = HttpRequest.post(url).body(Jsons.toJson(param)).header("Authorization", FAST_TOKEN).execute().body();
        log.info("action body:{}", body);
        SubmitResult submitResult = Jsons.parseObject(body, SubmitResult.class);
        int code = submitResult.getCode();
        if (code != 1 && code != 21 && code != 22) {
            if (code == 3) {
                throw BusinessRuntimeException.getInstance("账号不存在");
            }
            if (code == 4) {
                throw BusinessRuntimeException.getInstance("图片重复");
            }
            if (code == 24) {
                throw BusinessRuntimeException.getInstance("prompt包含敏感词");
            }
            log.error("action:" + action + " error message:" + submitResult.getDescription());
            throw BusinessRuntimeException.getInstance("队列已满，请稍后尝试");
        }
        return submitResult;
    }
    private String getActionUrl(String action) {
         switch (action) {
            case "imagine":
                return "/mj/submit/imagine";
            case "action":
                return "/mj/submit/action";
            case "describe":
                return "/mj/submit/describe";
            case "blend":
                return"/mj/submit/blend";
            case "modal":
                return "/mj/submit/modal";
            case "shorten":
                return "/mj/submit/shorten";
            default:  throw new IllegalArgumentException("Unknown action: " + action);
        }
    }
    @Override
    public List<MidjourneyUserConversation> listConversationByIds(Integer mode, List<Long> ids) throws Exception {
        List<MidjourneyUserConversation> list = new ArrayList<>();
        listByIds(mode,ids).forEach(json -> {
            JSONObject jsons = JSONUtil.parseObj(json);
            MidjourneyUserConversation conversation = JSONUtil.toBean(jsons, MidjourneyUserConversation.class);
            conversation.setUserId(jsons.getLong("state"));
            conversation.setTaskId(jsons.getLong("id"));
            list.add(conversation);
            TASK_EXECUTOR.execute(() -> {
                try {
                    sync(conversation);
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            });
        });
        return list;
    }


    public void sync(MidjourneyUserConversation conversation) throws IOException {
        if ((StringUtils.isNotBlank(conversation.getProgress()) && progress.contains(conversation.getProgress())) || status.contains(conversation.getStatus())) {
            log.info("同步任务：{},进度:{}",conversation.getTaskId(),conversation.getProgress());
            MidjourneyUserConversation dbConversation = conversationMapper.selectOne(Wrappers.lambdaQuery(MidjourneyUserConversation.class).eq(MidjourneyUserConversation::getTaskId, conversation.getTaskId())
                    .eq(MidjourneyUserConversation::getUserId, conversation.getUserId()).last("limit 1"));
            if (dbConversation != null) {
                try {
                    if (StringUtils.isNotBlank(conversation.getImageUrl())) {
                        conversation.setImageUrl(uploadPic(conversation.getImageUrl(), "conversation"+dbConversation.getId()));
                    }
                } catch (IOException e) {
                    log.error("上传图片失败",e);
                }finally {
                    conversation.setId(dbConversation.getId());
                    conversationMapper.updateById(conversation);
                }
            }
        }
    }


    private static String uploadPic(String url, String prefix) throws IOException {
        byte[] body = HttpUtil.downloadBytes(url);
        Path tempFile = Files.createTempFile(prefix, ".png");
        try (FileImageOutputStream imageOutput = new FileImageOutputStream(tempFile.toFile())) {
            imageOutput.write(body, 0, body.length);
        }
        Map<String, Object> paramMap = new HashMap<>();
        paramMap.put("file", tempFile.toFile());
        JSONObject result = JSONUtil.parseObj(HttpUtil.post("https://files.liuliangbang.vip/pic/ups", paramMap));
        return result.getJSONObject("value").getJSONArray("saved").getJSONObject(0).getJSONObject("info").getStr("cdnUrl");
    }

    private static List<String> uploadBase64Pic(List<String> base64Array) throws IOException {
        List<String> list = new ArrayList<>();
        for (String base64 : base64Array) {
            String fileExt = "jpeg";
            if (base64.contains(";")){
                fileExt = base64.split(";")[0].split("/")[1];
                base64 = base64.split(",")[1];
            }
            byte[] body = Base64.getDecoder().decode(base64);
            Path tempFile = Files.createTempFile(UUID.randomUUID().toString(), "." + fileExt);
            try (FileImageOutputStream imageOutput = new FileImageOutputStream(tempFile.toFile())) {
                imageOutput.write(body, 0, body.length);
            }
            Map<String, Object> paramMap = new HashMap<>();
            paramMap.put("file", tempFile.toFile());
            JSONObject result = JSONUtil.parseObj(HttpUtil.post("https://files.liuliangbang.vip/pic/ups", paramMap));
            list.add(result.getJSONObject("value").getJSONArray("saved").getJSONObject(0).getJSONObject("info").getStr("cdnUrl"));
        }
        return list;
    }
    public JSONArray listByIds(Integer mode,List<Long> ids) throws Exception {
        Map<String, Object> param = MapUtil.builder(new HashMap<String, Object>()).put("ids", ids).build();
        String body = HttpRequest.post((mode == 1 ? FAST_HOST : RELAX_HOST) + "/mj/task/list-by-condition").header("Authorization", FAST_TOKEN).body(Jsons.toJson(param)).execute().body();
        log.info("listByIds body:{}", body);
        return JSONUtil.parseArray(body);
    }

    @Override
    public MidjourneyUserConversation cancelConversation(MidjourneyUser user, Long id) {
        MidjourneyUserConversation conversation = conversationMapper.selectOne(Wrappers.lambdaQuery(MidjourneyUserConversation.class).eq(MidjourneyUserConversation::getId, id));
        if (conversation == null) {
            throw BusinessRuntimeException.getInstance("会话不存在");
        }
        if (!Objects.equals(conversation.getUserId(), user.getId())) {
            throw BusinessRuntimeException.getInstance("不是您的会话");
        }
        conversation.setStatus("CANCEL");
        conversationMapper.updateById(conversation);
        TASK_EXECUTOR.execute(() -> {
            cancel(user.getMode(),conversation.getTaskId());
        });
        return conversation;
    }

    public void cancel(Integer mode,Long taskId) {
        String body = HttpUtil.post(mode == 1 ? FAST_HOST : RELAX_HOST + "/mj/task/"+taskId+"/cancel",MapUtil.empty());
        log.info("cancel body:{}", body);
        JSONObject jsonObject = JSONUtil.parseObj(body);
        if (jsonObject.getInt("code") != 1) {
            throw BusinessRuntimeException.getInstance("cancel error message:" + jsonObject.getStr("description"));
        }
    }

}