package cn.cslg.pas.common.utils.ClaimUtils;


import cn.cslg.pas.common.utils.StringUtils;
import cn.cslg.pas.common.vo.PatentRightParams;
import cn.cslg.pas.common.vo.RePatentClaim;
import org.springframework.stereotype.Component;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

/**
 * 拆分权要工具类
 *
 * @Author chenyu
 * @Date 2023/4/25
 */
@Component
public class ClaimSplitUtils {
    private static final List<String> CNRegix = Arrays.asList("[0-9]+\\.[^0-9]+?", "\\[[0-9]+]","[0-9]+\\、[^0-9]+?");
    private static final List<String> JPRegix = Arrays.asList("【請求項[0-9]+】");
    private static final List<String> KORRegix = Arrays.asList("청구항 [0-9]+", "\\[[0-9]+]");
    private static final List<String> ENReginx = Arrays.asList("[0-9]+\\.[^0-9]+?", "\\[[0-9]+]");


    public static List<RePatentClaim> formatPatentRight(PatentRightParams params) {
        try {
            //国家
            String country = params.getCountry();
            String patentNo = params.getPatentNo();
            if (country == null) {
                country = params.getPatentNo().substring(0, 2);
            }
            //原文
            String content = params.getContent();

            //创建一个权要集合
            ArrayList<RePatentClaim> patentRights = new ArrayList<>();

            //若原文为null或空串，则直接结束并返回空集合；若译文为null，则置为空串
            if (content == null || content.equals("")) {
                return patentRights;
            }
            if (content.contains("@##")) {
                patentRights = getSplitedRePatentClaim(content);
            } else {
                String regex = ClaimSplitUtils.getRegex(country, content);
                if (regex == null) {
                    reDefaultPatentClaim(patentRights, content);
                    return patentRights;
                }
                patentRights = splitPatentRight(regex, content);
            }
            switch (country) {
                case "CN":
                    loadCNPatentClaim(patentNo, patentRights);
                    break;
                case "FR":
                    loadFRPatentClaim(patentNo, patentRights);
                    break;
                default:
                    loadENPatentClaim(patentNo, patentRights);
                    break;
            }
            return patentRights;
        } catch (Exception e) {
            e.printStackTrace();
            ArrayList<RePatentClaim> patentRights = new ArrayList<>();
            patentRights.add(new RePatentClaim().setPatentNo(params.getPatentNo()).setContent(params.getContent()).setContentOut(params.getContentOut()).setType(1).setSort(0).setParentSort("-1"));
            return patentRights;
        }


    }


    private static final ArrayList<RePatentClaim> splitPatentRight(String regex, String content) {
        //获取拆分信息
        List<ClaimSplitVO> claimSplitVOS = ClaimSplitUtils.getClaimSpitVO(regex, content);

        String regexNum = "[1-9][0-9]*";
        Integer num = 1;
        ArrayList<RePatentClaim> patentRights = new ArrayList<>();
        Boolean flag = true;
        Integer start = 0;
        Integer end = 0;
        for (int i = 0; i < claimSplitVOS.size(); i++) {
            String cont = claimSplitVOS.get(i).getContent();
            Matcher matcherNum = Pattern.compile(regexNum).matcher(cont);
            //查询当前序号
            if (matcherNum.find()) {
                String a = matcherNum.group();
                Integer num2 = Integer.parseInt(a);
                if (num2 == num) {
                    if (num == 1) {
                        start = claimSplitVOS.get(i).getPosition();
                        num++;
                    } else {
                        end = claimSplitVOS.get(i).getPosition();
                        String str = content.substring(start, end);
                        RePatentClaim rePatentClaim = new RePatentClaim();
                        rePatentClaim.setSort(num - 2);
                        rePatentClaim.setContent(str);
                        patentRights.add(rePatentClaim);
                        start = claimSplitVOS.get(i).getPosition();
                        num++;

                        //最后一个的处理逻辑
                        if (i + 1 == claimSplitVOS.size()) {
                            end = content.length();
                            String str1 = content.substring(start, end);
                            RePatentClaim rePatentClaim1 = new RePatentClaim();
                            rePatentClaim1.setSort(num - 2);
                            rePatentClaim1.setContent(str1);
                            patentRights.add(rePatentClaim1);
                        }
                    }


                } else {
                    if (i == 0 && num2.equals(2)) {
                        end = claimSplitVOS.get(i).getPosition();
                        String str = content.substring(0, end);
                        RePatentClaim rePatentClaim = new RePatentClaim();
                        rePatentClaim.setSort(num - 1);
                        rePatentClaim.setContent(str);
                        patentRights.add(rePatentClaim);
                        start = claimSplitVOS.get(i).getPosition();
                        num += 2;
                    }
                    continue;
                }

            } else {
                flag = false;
                break;
            }
        }
        if (flag.equals(false) || patentRights.size() == 1 || patentRights.size() == 0) {
            reDefaultPatentClaim(patentRights, content);
        }
        return patentRights;
    }

    /**
     * 根据权要文本拆分，获得拆分内容以及起始位置信息
     *
     * @param regex
     * @param content
     */
    public static List<ClaimSplitVO> getClaimSpitVO(String regex, String content) {

        List<ClaimSplitVO> claimSplitVOS = new ArrayList<>();
        Matcher matcher = Pattern.compile(regex).matcher(content);
        while (matcher.find()) {
            ClaimSplitVO claimSplitVO = new ClaimSplitVO();
            claimSplitVO.setContent(matcher.group());
            claimSplitVO.setPosition(matcher.start());
            claimSplitVOS.add(claimSplitVO);
        }
        return claimSplitVOS;
    }

    public static String getRegex(String country, String content) {
        String reginx = null;
        List<String> regixs = new ArrayList<>();
        switch (country) {
            case "CN":
                regixs = ClaimSplitUtils.CNRegix;
                break;
            case "JP":
                regixs = ClaimSplitUtils.JPRegix;
                break;
            case "KR":
                regixs = ClaimSplitUtils.KORRegix;
                break;
            default:
                regixs = ClaimSplitUtils.ENReginx;
                break;
        }
        for (String re : regixs) {
            Matcher matcher = Pattern.compile(re).matcher(content);
            if (matcher.find()) {
                reginx = re;
                break;
            }
        }
        return reginx;
    }

    private static void reDefaultPatentClaim(ArrayList<RePatentClaim> patentRights, String content) {
        patentRights.clear();
        RePatentClaim rePatentClaim = new RePatentClaim();
        rePatentClaim.setSort(0);
        rePatentClaim.setContent(content);
        rePatentClaim.setParentSort("-1");
        patentRights.add(rePatentClaim);
    }


    private static void loadCNPatentClaim(String patentNo, ArrayList<RePatentClaim> rePatentClaims) {
        String regex1 = "权利要求[0-9]+";
        String regex2 = "权利要求[0-9]+[至或～-]+[0-9]+";

        for (int i = 0; i < rePatentClaims.size(); i++) {
            RePatentClaim patentRight = rePatentClaims.get(i);
            String content = rePatentClaims.get(i).getContent();
            if ((content.contains("，") && content.substring(0, content.indexOf("，")).contains("权利要求")) || (!content.contains("，") && content.contains("权利要求"))) {
                Matcher matcher1 = Pattern.compile(regex1).matcher(content);
                Matcher matcher2 = Pattern.compile(regex2).matcher(content);
                if (matcher2.find()) {
                    String parentNum = matcher2.group().substring(matcher2.group().indexOf("求") + 1);
                    String[] parentNums;
                    if (parentNum.contains("～")) {
                        parentNums = parentNum.split("～");
                    } else if (parentNum.contains("-")) {
                        parentNums = parentNum.split("-");
                    } else if (parentNum.contains("至")) {
                        parentNums = parentNum.split("至");
                    } else if (parentNum.contains("或")) {
                        parentNums = parentNum.split("或");
                    } else {
                        parentNums = new String[0];
                    }
                    StringBuilder builder = new StringBuilder();
                    for (int j = Integer.parseInt(parentNums[0]) - 1; j < Integer.parseInt(parentNums[parentNums.length - 1]); j++) {
                        if ((builder + "").equals("")) {
                            builder.append(j);
                        } else {
                            builder.append(",").append(j);
                        }
                    }
                    patentRight.setType(0)
                            .setParentSort(builder + "");
                } else if (matcher1.find()) {
                    String parentNum = matcher1.group().substring(matcher1.group().indexOf("求") + 1);
                    patentRight.setType(0)
                            .setParentSort((Integer.parseInt(parentNum) - 1) + "");
                } else {
                    patentRight
                            .setType(1)
                            .setParentSort("-1");
                }

            } else {
                if (!StringUtils.isEmpty(content)) {
                    patentRight
                            .setType(1)
                            .setParentSort("-1");
                }
            }

        }
    }

    private static void loadENPatentClaim(String patentNo, ArrayList<RePatentClaim> patentRights) {
        //定义父权要排序号
        String regex1 = "claim [0-9]+";
        String regex2 = "claims [0-9]+ or [0-9]+";
        String regex3 = "any preceding claim";
        String regex5 = "(Anspruch [0-9]+ oder [0-9]+)|(Ansprüche [0-9]+ bis [0-9]+)";
        String regex4 = "Anspruch [0-9]+";
        for (int i = 0; i < patentRights.size(); i++) {
            RePatentClaim patentRight = patentRights.get(i);
            String content = patentRight.getContent();
            Matcher matcher1 = Pattern.compile(regex1).matcher(content);
            Matcher matcher2 = Pattern.compile(regex2).matcher(content);
            Matcher matcher3 = Pattern.compile(regex3).matcher(content);
            Matcher matcher4 = Pattern.compile(regex4).matcher(content);
            Matcher matcher5 = Pattern.compile(regex5).matcher(content);
            Boolean flag1 = matcher1.find();
            Boolean flag2 = matcher2.find();
            Boolean flag3 = matcher3.find();
            Boolean flag4 = matcher4.find();
            Boolean flag5 = matcher5.find();

            if (flag2 || flag5) {
                List<String> parentNums = new ArrayList<>();
                if (flag2) {
                    parentNums = getNums(matcher2.group());
                } else if (flag5) {
                    parentNums = getNums(matcher5.group());
                }
                StringBuilder builder = new StringBuilder();
                for (int j = Integer.parseInt(parentNums.get(0)) - 1; j < Integer.parseInt(parentNums.get(parentNums.size() - 1)); j++) {
                    if ((builder + "").equals("")) {
                        builder.append(j);
                    } else {
                        builder.append(",").append(j);
                    }
                }
                patentRight
                        .setPatentNo(patentNo)
                        .setType(0)
                        .setParentSort(builder + "");
            } else if (flag1 || flag4) {
                String parentNum = null;
                if (flag1) {
                    parentNum = getNums(matcher1.group()).get(0);
                } else if (flag4) {
                    parentNum = getNums(matcher4.group()).get(0);
                }
                patentRight
                        .setPatentNo(patentNo)
                        .setType(0)
                        .setParentSort((Integer.parseInt(parentNum) - 1) + "");
            } else if (flag3) {
                StringBuilder builder = new StringBuilder();
                for (int sort = 0; sort < patentRights.size(); sort++) {
                    if (sort == i) {
                        continue;
                    }
                    builder.append(i).append(",");
                }
                patentRight
                        .setPatentNo(patentNo)
                        .setType(0)
                        .setParentSort(builder.substring(0, builder.lastIndexOf(",")));
            } else {
                patentRight
                        .setPatentNo(patentNo)
                        .setType(1)
                        .setParentSort("-1");
            }
        }

    }


    private static void loadFRPatentClaim(String patentNo, ArrayList<RePatentClaim> patentRights) {

        //定义父权要排序号
        String regex1 = "revendications là [0-9]+";
        String regex2 = "(revendication [0-9]+ ou [0-9]+)|(revendication [0-9]+ et [0-9]+)";
        String regex3 = "des revendications précédentes";
        String regex4 = "revendication précédente";

        for (int i = 0; i < patentRights.size(); i++) {
            RePatentClaim patentRight = patentRights.get(i);
            String content = patentRight.getContent();

            Matcher matcher1 = Pattern.compile(regex1).matcher(content);
            Matcher matcher2 = Pattern.compile(regex2).matcher(content);
            Matcher matcher3 = Pattern.compile(regex3).matcher(content);
            Matcher matcher4 = Pattern.compile(regex4).matcher(content);
            Boolean flag1 = matcher1.find();
            Boolean flag2 = matcher2.find();
            Boolean flag3 = matcher3.find();
            Boolean flag4 = matcher4.find();

            if (flag2) {
                List<String> parentNums = new ArrayList<>();
                if (flag2) {
                    parentNums = getNums(matcher2.group());
                }
                StringBuilder builder = new StringBuilder();
                for (int j = Integer.parseInt(parentNums.get(0)) - 1; j < Integer.parseInt(parentNums.get(parentNums.size() - 1)); j++) {
                    if ((builder + "").equals("")) {
                        builder.append(j);
                    } else {
                        builder.append(",").append(j);
                    }
                }
                patentRight
                        .setPatentNo(patentNo)
                        .setType(0)
                        .setParentSort(builder + "");
            } else if (flag1) {
                String parentNum = null;
                if (flag1) {
                    parentNum = getNums(matcher1.group()).get(0);
                }
                patentRight
                        .setPatentNo(patentNo)
                        .setType(0)
                        .setParentSort((Integer.parseInt(parentNum) - 1) + "");
            } else if (flag3) {
                StringBuilder builder = new StringBuilder();
                for (int sort = 0; sort < patentRights.size(); sort++) {
                    if (sort == i) {
                        continue;
                    }
                    builder.append(i).append(",");
                }
                patentRight
                        .setPatentNo(patentNo)
                        .setType(0)
                        .setParentSort(builder.substring(0, builder.lastIndexOf(",")));
            } else if (flag4) {
                StringBuilder builder = new StringBuilder();

                builder.append(i - 1);

                patentRight
                        .setPatentNo(patentNo)
                        .setType(0)
                        .setParentSort(builder.toString());
            } else {
                patentRight
                        .setPatentNo(patentNo)
                        .setType(1)
                        .setParentSort("-1");
            }
        }

    }

    public static List<String> getNums(String test) {
        List<String> nums = new ArrayList<>();
        String regex1 = "[0-9]+";
        Matcher matcher1 = Pattern.compile(regex1).matcher(test);
        while (matcher1.find()) {
            nums.add(matcher1.group());
        }
        return nums;
    }


    public static final ArrayList<RePatentClaim> getSplitedRePatentClaim(String content) {
        ArrayList<RePatentClaim> arrayList = new ArrayList<>();

        String[] contents = content.split("@##");
        for (int i = 0; i < contents.length; i++) {
            RePatentClaim rePatentClaim = new RePatentClaim();
            rePatentClaim.setSort(i);
            rePatentClaim.setContent(contents[i]);
            arrayList.add(rePatentClaim);
        }
        return arrayList;

    }
}