package com.crm.manager.service.impl;

import com.alibaba.fastjson2.JSON;
import com.crm.manager.dao.mapper.TransactionItemMapper;
import com.crm.manager.repository.TransactionItemRepository;
import com.crm.manager.service.SysConfigService;
import com.crm.manager.service.SysVaultodyConfigService;
import com.crm.manager.service.VaultodyService;
import com.crm.manager.util.DateUtils;
import com.crm.rely.backend.core.constant.Constants;
import com.crm.rely.backend.core.dto.base.BaseResultDto;
import com.crm.rely.backend.core.dto.base.PageDto;
import com.crm.rely.backend.core.dto.base.ResultWithPagerDto;
import com.crm.rely.backend.core.exception.ServiceException;
import com.crm.rely.backend.core.pojo.table.SysConfigTable;
import com.crm.rely.backend.model.config.VaultodyConfig;
import com.crm.rely.backend.model.constant.ConfigConstants;
import com.crm.rely.backend.model.dto.vaultody.vaults.TransactionItemDto;
import com.crm.rely.backend.model.dto.vaultody.vaults.VaultTransaction;
import com.crm.rely.backend.model.dto.vaultody.vaults.VaultodyVaultsListDto;
import com.crm.rely.backend.model.dto.vaultody.vaults.response.ResponseData;
import com.crm.rely.backend.model.dto.vaultody.vaults.response.TransactionItem;
import com.crm.rely.backend.model.dto.vaultody.vaults.response.TransactionResponse;
import com.crm.rely.backend.model.dto.vaultody.vaults.response.VaultsListResponseDto;
import com.crm.rely.backend.model.entity.vaultody.vaults.VaultTransactionsEntity;
import com.crm.rely.backend.model.entity.vaultody.vaults.VaultTransactionsSearchEntity;
import com.crm.rely.backend.model.pojo.table.SysVaultodyConfigTable;
import com.crm.rely.backend.model.pojo.table.TransactionItemTable;
import com.crm.rely.backend.util.AESUtil;
import com.crm.rely.backend.util.HttpUtil;
import com.crm.rely.backend.util.UUIDUtil;
import com.google.common.collect.Lists;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.jsoup.Connection;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;
import org.springframework.util.ObjectUtils;

import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.*;
import java.util.stream.Collectors;

@Slf4j
@Service
public class VaultodyServiceImpl implements VaultodyService {

    @Autowired
    private SysVaultodyConfigService vaultodyConfigService;
    @Autowired
    private SysConfigService sysConfigService;
    @Autowired
    private TransactionItemRepository transactionItemRepository;
    @Autowired
    private TransactionItemMapper transactionItemMapper;

    public static String getSignature(String message, String apiSecret) {
        try {
            byte[] decodedSecret = Base64.getDecoder().decode(apiSecret);
            Mac mac = Mac.getInstance("HmacSHA256");
            SecretKeySpec secretKeySpec = new SecretKeySpec(decodedSecret, "HmacSHA256");
            mac.init(secretKeySpec);
            byte[] hash = mac.doFinal(message.getBytes(StandardCharsets.UTF_8));

            return Base64.getEncoder().encodeToString(hash);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    public static void main2(String[] args) {
        String s = "{\n" +
                "  \"apiKey\": \"6f3cc6caf513a5cde2df5d3ed805e3703d4d43b2\",\n" +
                "  \"apiSecret\": \"MLjTUAYgxSM2dg==\",\n" +
                "  \"passphrase\": \"7UGMi2*t0h\",\n" +
                "  \"vaultId\": \"\",\n" +
                "  \"baseUrl\": \"https://rest.vaultody.com\",\n" +
                "  \"vaultsListUrl\": \"/vaults/test\",\n" +
                "  \"network\": \"\",\n" +
                "  \"vaultsTransactionsPathTemplate\": \"/vaults/%s/transactions\",\n" +
                "  \"webhooksPassphrase\": \"\"\n" +
                "}";
        System.out.println(AESUtil.encrypt(s, "bfa5559109f94c78af615bcf00d52060"));
        System.out.println(AESUtil.decrypt(AESUtil.encrypt(s, "bfa5559109f94c78af615bcf00d52060"), "bfa5559109f94c78af615bcf00d52060"));
    }

    public static void main(String[] args) {
        String s = "{\n" +
                "    \"apiKey\": \"6f3cc6caf513a5cde2df5d3ed805e3703d4d43b2\",\n" +
                "    \"apiSecret\": \"MLjTUAYgxSM2dg==\",\n" +
                "    \"passphrase\": \"7UGMi2*t0h\",\n" +
                "    \"vaultId\": \"\",\n" +
                "    \"baseUrl\": \"https://rest.vaultody.com\",\n" +
                "    \"vaultsListUrl\": \"/vaults/%s\",\n" +
                "    \"networkType\": \"test\",\n" +
                "    \"vaultsTransactionsPathTemplate\": \"/vaults/%s/transactions\",\n" +
                "    \"webhooksPassphrase\": \"\",\n" +
                "    \"vaultodyList\": [\n" +
                "        {\n" +
                "            \"apiKey\": \"6f3cc6caf513a5cde2df5d3ed805e3703d4d43b2\",\n" +
                "            \"apiSecret\": \"MLjTUAYgxSM2dg==\",\n" +
                "            \"passphrase\": \"7UGMi2*t0h\",\n" +
                "            \"vaultId\": \"69cb34038d64830006453c0c\",\n" +
                "            \"baseUrl\": \"https://rest.vaultody.com\",\n" +
                "            \"vaultsListUrl\": \"/vaults/%s\",\n" +
                "            \"networkType\": \"test\",\n" +
                "            \"vaultsTransactionsPathTemplate\": \"/vaults/%s/transactions\",\n" +
                "            \"webhooksPassphrase\": \"\"\n" +
                "        },\n" +
                "        {\n" +
                "            \"apiKey\": \"002key\",\n" +
                "            \"apiSecret\": \"002pwd\",\n" +
                "            \"passphrase\": \"7UGMi2*t0h\",\n" +
                "            \"vaultId\": \"002\",\n" +
                "            \"baseUrl\": \"https://rest.vaultody.com\",\n" +
                "            \"vaultsListUrl\": \"/vaults/%s\",\n" +
                "            \"networkType\": \"test\",\n" +
                "            \"vaultsTransactionsPathTemplate\": \"/vaults/%s/transactions\",\n" +
                "            \"webhooksPassphrase\": \"\"\n" +
                "        }\n" +
                "    ]\n" +
                "}";
        System.out.println(AESUtil.encrypt(s, "bfa5559109f94c78af615bcf00d52060"));
        System.out.println(AESUtil.decrypt(AESUtil.encrypt(s, "bfa5559109f94c78af615bcf00d52060"), "bfa5559109f94c78af615bcf00d52060"));
    }

    /**
     * Coin
     */
    public static void main1(String[] args) {
        try {
            List<VaultodyVaultsListDto> dtos = new ArrayList<>();
            // ------------------ 配置 ------------------
            String apiKey = "6f3cc6caf513a5cde2df5d3ed805e3703d4d43b2";
            String apiSecret = "MLjTUAYgxSM2dg==";        // Base64编码的secret
            String passphrase = "7UGMi2*t0h";
            String method = "GET";
            String requestPath = "/vaults/test";
            String baseUrl = "https://rest.vaultody.com";

            String query = "{}"; // POST 时 query 通常为空，否则按接口要求填写
            String body = "{}"; // POST 时 query 通常为空，否则按接口要求填写

            // ------------------ 时间戳（秒） ------------------
            String timestamp = String.valueOf(System.currentTimeMillis() / 1000);

            // ------------------ 构建消息用于签名 ------------------
            String message = timestamp + method + requestPath + body + query;
            System.out.println("Message: " + message);

            String signature = getSignature(message, apiSecret);
            System.out.println("Signature: " + signature);
            Map<String, String> headers = new HashMap<>();
            headers.put("x-api-key", apiKey);
            headers.put("x-api-sign", signature);
            headers.put("x-api-timestamp", timestamp);
            headers.put("x-api-passphrase", passphrase);
            headers.put("Content-Type", "application/json");

            try {
                Connection.Response response = HttpUtil.get(baseUrl + requestPath, headers);
                if (response.statusCode() != 200){
                    System.out.println("Error: " + response.statusMessage());
                }
                VaultsListResponseDto responseDto = JSON.parseObject(response.body(), VaultsListResponseDto.class);
                List<VaultsListResponseDto.Item> items = responseDto.getData().getItems();
                for (VaultsListResponseDto.Item item : items){
                    VaultodyVaultsListDto dto = new VaultodyVaultsListDto();
                    BeanUtils.copyProperties(item, dto);
                    dtos.add(dto);
                }
                System.out.println(JSON.toJSONString(dtos));
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * 交易记录接口拼接url
     */
    public String getPath(String pathTemplate, String vaultId) {
//        String pathTemplate = "/vaults/%s/transactions";
        String actualPath = String.format(pathTemplate, vaultId);
        return actualPath;
    }
    /**
     * 交易记录接口拼接url
     */
    public String getVaultsPath(String pathTemplate, String networkType) {
//        String pathTemplate = "/vaults/{networkType}";
        String actualPath = String.format(pathTemplate, networkType);
        return actualPath;
    }

    public VaultodyConfig getVaultodyConfig() {
        SysVaultodyConfigTable configTable = vaultodyConfigService.getByCode(ConfigConstants.VAULTODY_MANAGER_CONFIG);
        if (configTable == null) {
            throw ServiceException.exception(Constants.SYSTEM_ERROR);
        }
        String aesKey = getPropertyKey();

        String property = AESUtil.decrypt(configTable.getValue(), aesKey);
        VaultodyConfig vaultodyConfig = JSON.parseObject(property, VaultodyConfig.class);
        return vaultodyConfig;
    }

    public VaultodyConfig getVaultodyConfig(String vaultId) {
        SysVaultodyConfigTable configTable = vaultodyConfigService.getByCode(ConfigConstants.VAULTODY_MANAGER_CONFIG);
        if (configTable == null) {
            throw ServiceException.exception(Constants.SYSTEM_ERROR);
        }
        String aesKey = getPropertyKey();

        String property = AESUtil.decrypt(configTable.getValue(), aesKey);
        VaultodyConfig vaultodyConfig = JSON.parseObject(property, VaultodyConfig.class);
        List<VaultodyConfig> vaultodyList = vaultodyConfig.getVaultodyList();
        if(CollectionUtils.isEmpty(vaultodyList)){
            throw ServiceException.exception(Constants.NOT_PERMIT);
        }

        Map<String, VaultodyConfig> list = vaultodyList.stream().collect(Collectors.toMap(VaultodyConfig::getVaultId, v -> v));
        VaultodyConfig config = new VaultodyConfig();
        if(!list.containsKey(vaultId)){
            throw ServiceException.exception(Constants.NOT_PERMIT);
        }
        config = list.get(vaultId);
        return config;
    }

    private String getPropertyKey() throws ServiceException {
        SysConfigTable table = sysConfigService.getByCode(ConfigConstants.VAULTODY_FINANCE_PROPERTY_KEY);
        if (table == null) {
            throw ServiceException.exception(Constants.SYSTEM_ERROR);
        }
        return table.getValue();
    }


    @Override
    public BaseResultDto vaultsList() throws Exception {
        List<VaultodyVaultsListDto> dtos = new ArrayList<>();
        VaultodyConfig config = getVaultodyConfig();

        String apiKey = config.getApiKey();
        String apiSecret = config.getApiSecret();
        String passphrase = config.getPassphrase();
        String method = "GET";
        String requestPath = getVaultsPath(config.getVaultsListUrl(), config.getNetworkType());
        String baseUrl = config.getBaseUrl();

        String query = "{}"; // POST 时 query 通常为空，否则按接口要求填写
        String body = "{}";

        // ------------------ 时间戳（秒） ------------------
        String timestamp = String.valueOf(System.currentTimeMillis() / 1000);

        // ------------------ 构建消息用于签名 ------------------
        String message = timestamp + method + requestPath + body + query;

        String signature = getSignature(message, apiSecret);
        System.out.println("Signature: " + signature);
        Map<String, String> headers = new HashMap<>();
        headers.put("x-api-key", apiKey);
        headers.put("x-api-sign", signature);
        headers.put("x-api-timestamp", timestamp);
        headers.put("x-api-passphrase", passphrase);
        headers.put("Content-Type", "application/json");

        Connection.Response response = HttpUtil.get(baseUrl + requestPath, headers);
        if (response.statusCode() != 200){
            return BaseResultDto.error(response.statusMessage());
        }
        VaultsListResponseDto responseDto = JSON.parseObject(response.body(), VaultsListResponseDto.class);
        List<VaultsListResponseDto.Item> items = responseDto.getData().getItems();
        for (VaultsListResponseDto.Item item : items){
            VaultodyVaultsListDto dto = new VaultodyVaultsListDto();
            BeanUtils.copyProperties(item, dto);
            dtos.add(dto);
        }
        return BaseResultDto.success(dtos);
    }

    public VaultTransaction query3Items(VaultTransactionsEntity entity,VaultodyConfig config) throws Exception{
        String apiKey = config.getApiKey();
        String apiSecret = config.getApiSecret();       // Base64编码的secret
        String passphrase = config.getPassphrase();
        String method = "GET";
//        String requestPath = "/vaults/"+entity.getVaultId()+"/transactions";
        String requestPath = getPath(config.getVaultsTransactionsPathTemplate(), entity.getVaultId());
        String baseUrl = config.getBaseUrl();
        String query = "{}";
        Map<String, String> params = new HashMap();
        if(!ObjectUtils.isEmpty(entity.getLimit())){
            params.put("limit", String.valueOf(entity.getLimit()));
        }
        if(StringUtils.isNotBlank(entity.getStartingAfter())){
            params.put("startingAfter", entity.getStartingAfter());
        }
        if (StringUtils.isNotBlank(entity.getContext())){
            params.put("context", entity.getContext());
        }
        // ------------------ 时间戳（秒） ------------------
        String timestamp = String.valueOf(System.currentTimeMillis() / 1000);
        // ------------------ 构建消息用于签名 ------------------
        String message = timestamp + method + requestPath + query + JSON.toJSONString(params);
        String signature = getSignature(message, apiSecret);
        log.info("Signature: {}",signature);
        Map<String, String> headers = new HashMap<>();
        headers.put("x-api-key", apiKey);
        headers.put("x-api-sign", signature);
        headers.put("x-api-timestamp", timestamp);
        headers.put("x-api-passphrase", passphrase);
        headers.put("Content-Type", "application/json");
        Connection.Response response = HttpUtil.get(baseUrl + requestPath, headers, params);
        log.info("response.statusCode: {} , response.body: {}",response.statusCode() , response.body());
        if (response.statusCode() != 200) {
            log.error("response.statusCode() != 200,{}","3Item Error!");
            throw ServiceException.exception(Constants.SYSTEM_ERROR);
        }
        TransactionResponse responseDto = JSON.parseObject(response.body(), TransactionResponse.class);
        ResponseData data = responseDto.getData();
        VaultTransaction vaultTransaction = getVaultTransaction(data);
        return vaultTransaction;
    }

    private VaultTransaction getVaultTransaction(ResponseData data) {
        VaultTransaction vaultTransaction = new VaultTransaction();
        vaultTransaction.setHasMore(data.getHasMore());
        vaultTransaction.setLimit(data.getLimit());
        vaultTransaction.setStartingAfter(data.getStartingAfter());
        List<TransactionItemDto> list = Lists.newArrayList();
        for (TransactionItem item : data.getItems()) {
            TransactionItemDto dto = new TransactionItemDto();
            dto.setRequestId(UUIDUtil.getUUID());
            dto.setId(item.getId());
            dto.setTransactionId(item.getTransactionId());
            dto.setStatus(item.getStatus());
            dto.setCreatedTimestamp(item.getCreatedTimestamp());
            dto.setSenderAddress(item.getSenders().get(0).getAddress());
            dto.setSenderIsVaultAddress(item.getSenders().get(0).getIsVaultAddress());
            dto.setSenderAmountUnit(item.getSenders().get(0).getAmountUnit());
            dto.setSenderAmount(item.getSenders().get(0).getAmount());
            dto.setRecipientAddress(item.getRecipients().get(0).getAddress());
            dto.setRecipientIsVaultAddress(item.getRecipients().get(0).getIsVaultAddress());
            dto.setRecipientAmountUnit(item.getRecipients().get(0).getAmountUnit());
            dto.setRecipientAmount(item.getRecipients().get(0).getAmount());
            dto.setBlockchain(item.getBlockchain());
            dto.setMinedInBlockHeight(item.getMinedInBlockHeight());
            dto.setFeeAmount(item.getTransactionFee().getAmount());
            dto.setFeeAmountUnit(item.getTransactionFee().getAmountUnit());
            dto.setSenderLabel(item.getSenders().get(0).getLabel());
            dto.setRecipientLabel(item.getRecipients().get(0).getLabel());
            list.add(dto);
        }
        vaultTransaction.setList(list);
        return vaultTransaction;
    }

    @Override
    public void batchSave(List<TransactionItemTable> tables) {
        transactionItemRepository.saveAll(tables);
    }

    @Override
    public List<TransactionItemTable> finAllByVaultId(String vaultId) {
        return transactionItemRepository.findAllByVaultId(vaultId);
    }

    @Override
    public BaseResultDto searchList(VaultTransactionsSearchEntity entity) throws Exception {
        List<TransactionItemTable> tables = new LinkedList<>();
        VaultodyConfig vaultodyConfig = getVaultodyConfig(entity.getVaultId());
        List<TransactionItemDto> list = queryWithFilter(vaultodyConfig);
        if(!CollectionUtils.isEmpty(list)){
            for (TransactionItemDto transactionItemDto : list) {
                TransactionItemTable table = new TransactionItemTable() ;
                BeanUtils.copyProperties(transactionItemDto, table);
                table.setVaultId(entity.getVaultId());
                table.setItemId(transactionItemDto.getId());
                tables.add(table);
            }
            batchSave(tables);
        }

        Long startSecond = null;
        Long endSecond = null;

        if(entity.getStartTime() != null){
            startSecond = DateUtils.dateToSecondTimestamp(entity.getStartTime());
        }
        if (entity.getEndTime() != null){
            endSecond = DateUtils.dateToSecondTimestamp(entity.getEndTime());
        }

        Integer count = transactionItemMapper.countList(entity,startSecond,endSecond);
        if (count == null || count <= 0) {
            return ResultWithPagerDto.success(new PageDto(), new ArrayList<>());
        }
        PageDto pageDto = PageDto.format(entity, count);
        List<TransactionItemTable> dtos = transactionItemMapper.pageList(entity,startSecond,endSecond);

        if (dtos == null || dtos.size() <= 0) {
            throw new ServiceException(Constants.SYSTEM_ERROR);
        }

        return ResultWithPagerDto.success(pageDto, dtos);
    }

    public List<TransactionItemDto> queryWithFilter(VaultodyConfig config) throws Exception {
        VaultTransactionsEntity entity = new VaultTransactionsEntity();
        entity.setVaultId(config.getVaultId());
        List<TransactionItemDto> result = new ArrayList<>();

        // 先获取数据库中已存在的item ID列表
        List<String> existingItemIds = recordByVaultId(config.getVaultId());
        Set<String> existingIdSet = new HashSet<>(existingItemIds);
        VaultTransaction vaultTransaction = query3Items(entity,config);

        // 处理第一页数据
        if (vaultTransaction.getList() != null && !vaultTransaction.getList().isEmpty()) {
            List<TransactionItemDto> filteredList = filterExistingItems(vaultTransaction.getList(), existingIdSet);
            result.addAll(filteredList);
        }

        // 分页查询剩余数据
        while (Boolean.TRUE.equals(vaultTransaction.getHasMore())
                && vaultTransaction.getList() != null
                && !vaultTransaction.getList().isEmpty()) {

            String lastId = vaultTransaction.getList().get(vaultTransaction.getList().size() - 1).getId();
            entity.setStartingAfter(lastId);

            vaultTransaction = query3Items(entity,config);

            if (vaultTransaction.getList() != null && !vaultTransaction.getList().isEmpty()) {
                List<TransactionItemDto> filteredList = filterExistingItems(vaultTransaction.getList(), existingIdSet);
                result.addAll(filteredList);
            } else {
                break;
            }
        }

        return result;
    }

    private List<TransactionItemDto> filterExistingItems(List<TransactionItemDto> items, Set<String> existingIdSet) {
        if (items == null || items.isEmpty()) {
            return Collections.emptyList();
        }

        return items.stream()
                .filter(item -> item != null && item.getId() != null)
                .filter(item -> !existingIdSet.contains(item.getId()))
                .collect(Collectors.toList());
    }

    private List<String> recordByVaultId(String vaultId){
        List<TransactionItemTable> list = finAllByVaultId(vaultId);
        if(CollectionUtils.isEmpty(list)){
            return new ArrayList<>();
        }
        return list.stream().map(TransactionItemTable::getItemId).toList();
    }
}