using Microsoft.Azure.Cosmos;
using Azure.Messaging.ServiceBus;
using Microsoft.Extensions.Configuration;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;
using TEAMModelOS.SDK.DI;
using TEAMModelOS.SDK.Extension;
using TEAMModelOS.SDK.Models.Cosmos.Common;

namespace TEAMModelOS.SDK.Models.Service
{
    public static class ArtService
    {
        public static List<ArtQuota> GetParentByChildId(List<ArtQuota> quotas, string childId) {
            List<ArtQuota> list_quotas = new List<ArtQuota>();
            list_quotas = TreeToList(quotas, list_quotas, null);
            List<ArtQuota> parents = new List<ArtQuota>();
            parents = GetParents(list_quotas, parents, $"{childId}");
            if (parents.IsNotEmpty()) {
                int len = parents.Count;
                parents.ForEach(x => {
                    x.level= len-x.level+1;
                });
            }
            return parents;
        }

        private static List<ArtQuota> GetParents(List<ArtQuota> list, List<ArtQuota> parents, string cid, int level = 1)
        {
            var child = list.Find(x => x.id.Equals(cid));
            if (child != null)
            {
                child.level = level;
                parents.Add(child);
                if (!child.pid.Equals(child.id))
                {
                    level++;
                    return GetParents(list, parents, child.pid, level);
                }
                else
                {
                    return parents;
                }
            }
            else { return parents; }

        }
        private static List<ArtQuota> TreeToList(List<ArtQuota> trees, List<ArtQuota> nodes, string pid)
        {
            List<ArtQuota> list = new List<ArtQuota>();
            trees.ForEach(x => {
                var node = new ArtQuota
                {
                    pid = string.IsNullOrWhiteSpace(pid) ? x.id : pid,
                    id = x.id,
                    name = x.name,
                    percent = x.percent,
                    type = x.type,
                };

                list.Add(node);
            });
            nodes.AddRange(list);
            foreach (ArtQuota tree in trees)
            {
                if (tree.children.IsNotEmpty())
                {
                    TreeToList(tree.children, nodes, tree.id);
                }
            }
            return nodes;
        }
        public async static Task GenArtPDF (List<string> studentIds, string _artId, string _schoolId, string head_lang,AzureServiceBusFactory _serviceBus, IConfiguration _configuration)
        {
            var messageBlobPDF = new ServiceBusMessage(new { studentIds, artId= _artId, schoolCode = $"{_schoolId}", headLang= head_lang, bizType = "ArtStudentPdf" }.ToJsonString());
            var GenPdfQueue = _configuration.GetValue<string>("Azure:ServiceBus:GenPdfQueue");
            await _serviceBus.GetServiceBusClient().SendMessageAsync(GenPdfQueue, messageBlobPDF);
        }

        public async static Task<(List<ArtStudentPdf> studentPdfs, List<StudentArtResult> artResults)> GenStuArtPDF(List<string> studentIds, string _artId,string _schoolId,string head_lang ,AzureCosmosFactory _azureCosmos, 
              CoreAPIHttpService _coreAPIHttpService, DingDing _dingDing) {
            var client = _azureCosmos.GetCosmosClient();

            string query = $" select value c from c where c.school  = '{_schoolId}' ";
            if (studentIds.Any())
            {
                query = $" select value c from c where c.school  = '{_schoolId}' and c.studentId in ({string.Join(",", studentIds.Select(z => $"'{z}'"))})";
            }
            List<StudentArtResult> artResults = new List<StudentArtResult>();
            await foreach (var item in client.GetContainer(Constant.TEAMModelOS, Constant.Student).GetItemQueryIteratorSql<StudentArtResult>
              (queryText: query, requestOptions: new QueryRequestOptions { PartitionKey = new PartitionKey($"ArtResult-{_artId}") }))
            {
                artResults.Add(item);
            }
            School school = await _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, Constant.School).ReadItemAsync<School>($"{_schoolId}", new PartitionKey("Base"));
            string path = Path.Combine("", $"Lang/{head_lang}.json");
            string comment1 = "";
            string comment2 = "";
            string comment3 = "";
            string comment4 = "";
            string comment5 = "";
            string comment_subject_music = "";
            string comment_subject_painting = "";
            var jsonDoc = readFileJson(path);
            if (jsonDoc != null)
            {
                if (jsonDoc.RootElement.TryGetProperty("art-template-comment1", out JsonElement _c1))
                {
                    comment1 = $"{_c1}";
                }
                if (jsonDoc.RootElement.TryGetProperty("art-template-comment2", out JsonElement _c2))
                {
                    comment2 = $"{_c2}";
                }
                if (jsonDoc.RootElement.TryGetProperty("art-template-comment3", out JsonElement _c3))
                {
                    comment3 = $"{_c3}";
                }
                if (jsonDoc.RootElement.TryGetProperty("art-template-comment4", out JsonElement _c4))
                {
                    comment4 = $"{_c4}";
                }
                if (jsonDoc.RootElement.TryGetProperty("art-template-comment5", out JsonElement _c5))
                {
                    comment5 = $"{_c5}";
                }
                if (jsonDoc.RootElement.TryGetProperty("art-template-subject_music", out JsonElement _subject_music))
                {
                    comment_subject_music = $"{_subject_music}";
                }
                if (jsonDoc.RootElement.TryGetProperty("art-template-subject_painting", out JsonElement _subject_painting))
                {
                    comment_subject_painting = $"{_subject_painting}";
                }
            }
            ArtEvaluation art = await client.GetContainer(Constant.TEAMModelOS, "Common").ReadItemAsync<ArtEvaluation>($"{_artId}", new PartitionKey($"Art-{_schoolId}"));
            ArtSetting artSetting = await client.GetContainer(Constant.TEAMModelOS, Constant.Normal).ReadItemAsync<ArtSetting>($"{school.areaId}", new PartitionKey($"ArtSetting"));

            var allExamIds = art.settings.SelectMany(x => x.task).Where(z => z.type == 1);
            var subjects = art.subjects;
            //获取学校的所有艺术科目的uuid，并映射找到相应的知识点，知识块。
            var schoolSubjects = school.period.SelectMany(x => x.subjects).Where(s => !string.IsNullOrWhiteSpace(s.bindId) && subjects.Select(z => z.id).Contains(s.bindId));
            StringBuilder sql = new StringBuilder($"select value(c) from c");
            List<KeyValuePair<string, List<Block>>> subjectBindBlocks = new List<KeyValuePair<string, List<Block>>>();
            foreach (var schSub in schoolSubjects)
            {
                List<Block> blocks = new List<Block>();
                string code = $"Knowledge-{_schoolId}-{schSub.id}";
                await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School")
                    .GetItemQueryIteratorSql<Knowledge>(queryText: sql.ToString(), requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"{code}") }))
                {
                    item.blocks.ForEach(x =>
                    {
                        var block = blocks.Find(z => z.name.Equals(x.name));
                        if (block != null)
                        {
                            block.points.AddRange(x.points);
                        }
                        else
                        {
                            blocks.Add(x);
                        }
                    });
                }
                subjectBindBlocks.Add(new KeyValuePair<string, List<Block>>(schSub.bindId, blocks));
            }
            List<ExamInfo> exams = new List<ExamInfo>();
            List<ExamResult> examResults = new();
            if (allExamIds.Any())
            {
                var queryExam = $"select  value c  from c where c.id  in  ({string.Join(",", allExamIds.Select(x => $"'{x.acId}'"))}) ";
                await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "Common").GetItemQueryIteratorSql<ExamInfo>(queryText: queryExam, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"Exam-{_schoolId}") }))
                {
                    exams.Add(item);
                }
                foreach (var allexamId in allExamIds)
                {
                    var queryResult = $"select c.id,c.name,c.subjectId,c.studentScores,c.studentIds,c.paper,c.classes,c.sRate,c.average,c.standard,c.lostStus,c.record,c.phc,c.plc,c.examId from c where c.examId = '{allexamId.acId}' and c.subjectId = '{allexamId.subject}' ";
                    await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "Common").GetItemQueryIteratorSql<ExamResult>(queryText: queryResult, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"ExamResult-{allexamId.acId}") }))
                    {
                        examResults.Add(item);
                    }
                }
            }
            (List<RMember> rmembers, List<RGroupList> groups) = await GroupListService.GetMemberByListids(_coreAPIHttpService, client, _dingDing, art.classes, art.school);
            List<ArtStudentPdf> studentPdfs = new List<ArtStudentPdf>();
            artResults.ForEach(x =>
            {
                var allSubject = x.results.GroupBy(g => g.quotaId).Select(s => new { key = s.Key, list = s.ToList() }).ToList();
                var groupSubject = x.results.GroupBy(g => $"{g.quotaId}-{g.subjectId}").Select(s => new { key = s.Key, list = s.ToList() }).ToList();
                //综合-所有科目的艺术评测指标维度。
                List<ArtQuotaPdf> allSubjectArtQuotaPdfs = new List<ArtQuotaPdf>();
                allSubject.ForEach(a =>
                {

                    ArtQuotaPdf artPdf = new ArtQuotaPdf();
                    List<ArtQuota> parents = ArtService.GetParentByChildId(artSetting.quotas, $"{a.key}");
                    parents.ForEach(x =>
                    {
                        switch (true)
                        {
                            case bool when x.level == 1:
                                artPdf.quota1 = x.id;
                                artPdf.quotaN1 = x.name;
                                artPdf.quotaP1 = x.percent;
                                if (a.key.Equals(x.id))
                                {
                                    artPdf.quotaName = x.name;
                                }
                                break;
                            case bool when x.level == 2:
                                artPdf.quota2 = x.id;
                                artPdf.quotaN2 = x.name;
                                artPdf.quotaP2 = x.percent;
                                if (a.key.Equals(x.id))
                                {
                                    artPdf.quotaName = x.name;
                                }
                                break;
                            case bool when x.level == 3:
                                artPdf.quota3 = x.id;
                                artPdf.quotaN3 = x.name;
                                artPdf.quotaP3 = x.percent;
                                if (a.key.Equals(x.id))
                                {
                                    artPdf.quotaName = x.name;
                                }
                                break;
                        }
                    });
                    var noneScore = a.list.FindAll(x => x.score == -1);
                    if (!noneScore.IsNotEmpty())
                    {
                        //全部未打分。
                        if (noneScore.Count >= art.subjects.Count)
                        {
                            artPdf.quotaId = a.key;
                            artPdf.score = 0;
                            artPdf.scoreData = "-";
                            artPdf.percent = "0";
                        }
                        else
                        {
                            //有一部分打分的，只算有分的平均分。
                            var hasScore = a.list.FindAll(x => x.score >= 0);
                            if (hasScore.IsNotEmpty())
                            {
                                var avgScore = hasScore.Sum(x => x.score) * 1.0 / a.list.Count;
                                var avg = decimal.Round(decimal.Parse($"{avgScore}"), 2);
                                artPdf.quotaId = a.key;
                                artPdf.score = double.Parse($"{avg}");
                                artPdf.scoreData = $"{avg}";
                                artPdf.percent = $"{avg}";
                            }
                            else
                            {
                                artPdf.quotaId = a.key;
                                artPdf.score = 0;
                                artPdf.scoreData = "-";
                                artPdf.percent = "0";
                            }
                        }
                    }
                    else
                    {
                        artPdf.quotaId = a.key;
                        artPdf.score = 0;
                        artPdf.scoreData = "-";
                        artPdf.percent = "0";
                    }
                    allSubjectArtQuotaPdfs.Add(artPdf);
                });
                string level = "";
                double allScore = 0;
                if (allSubjectArtQuotaPdfs.Any())
                {
                    allScore = allSubjectArtQuotaPdfs.Sum(a => a.score) / allSubjectArtQuotaPdfs.Count;
                }

                if (allScore >= 100)
                {
                    allScore = 100;
                    level = "优秀（A+）";
                }
                if (allScore <= 0)
                {
                    allScore = 0;
                    level = "待及格（D）";
                }
                if (allScore < 100)
                {
                    artSetting.reviewLevel.ForEach(r =>
                    {
                        if (r.value[0] <= allScore && r.value[1] > allScore)
                        {
                            level = r.code;
                        }
                    });
                }
                var rmbs = rmembers.FindAll(r => r.id.Equals(x.studentId) && r.type == 2 && x.code.Equals(x.school));
                if (rmbs.IsNotEmpty())
                {
                    x.studentName = rmbs[0].name;
                }
                List<string> classNames = new List<string>();
                HashSet<string> periodIds = new HashSet<string>();
                x.classIds.ForEach(c =>
                {
                    var gps = groups.FindAll(g => g.id.Equals(c));
                    if (gps.IsNotEmpty())
                    {
                        classNames.Add(gps[0].name);
                        if (!string.IsNullOrWhiteSpace(gps[0].periodId))
                        {
                            periodIds.Add(gps[0].periodId);
                        }
                    }
                });
                allSubjectArtQuotaPdfs.ForEach(x => x.level = level);
                var allSubjectQuotas = allSubjectArtQuotaPdfs.OrderBy(o => o.quota1).ThenBy(o => o.quota2).ThenBy(o => o.quota3);

                StringBuilder comment = new StringBuilder();
                switch (true)
                {
                    case bool when level.Contains("（A+）"):
                        comment.Append(comment1.Replace("{studentName}", x.studentName).Replace("{level}", "表现优异"));
                        break;
                    case bool when level.Contains("（A）"):
                        comment.Append(comment1.Replace("{studentName}", x.studentName).Replace("{level}", "表现优秀"));
                        break;
                    case bool when level.Contains("（B+）"):
                        comment.Append(comment1.Replace("{studentName}", x.studentName).Replace("{level}", "表现优良"));
                        break;
                    case bool when level.Contains("（B）"):
                        comment.Append(comment1.Replace("{studentName}", x.studentName).Replace("{level}", "表现良好"));
                        break;
                    case bool when level.Contains("（C+）"):
                        comment.Append(comment1.Replace("{studentName}", x.studentName).Replace("{level}", "还需加强"));
                        break;
                    case bool when level.Contains("（C）"):
                        comment.Append(comment1.Replace("{studentName}", x.studentName).Replace("{level}", "有待提高"));
                        break;
                    case bool when level.Contains("（D）"):
                        comment.Append(comment1.Replace("{studentName}", x.studentName).Replace("{level}", "还需努力"));
                        break;
                }
                var score80 = allSubjectArtQuotaPdfs.Where(x => x.score >= 80);
                if (score80.Any())
                {
                    List<string> quota = new List<string>();
                    var quota3s = score80.Where(c => !string.IsNullOrWhiteSpace(c.quota3)).Select(z => z.quotaN3);
                    if (quota3s.Any())
                    {
                        quota.AddRange(quota3s);
                    }
                    var quota2s = score80.Where(c => string.IsNullOrWhiteSpace(c.quota3) && !string.IsNullOrWhiteSpace(c.quota2)).Select(z => z.quotaN2);
                    if (quota2s.Any())
                    {
                        quota.AddRange(quota2s);
                    }
                    comment.Append(comment2.Replace("{quotasHigh}", string.Join("、", quota)));
                }
                var score60 = allSubjectArtQuotaPdfs.Where(x => x.score < 60);
                if (score60.Any())
                {
                    List<string> quota = new List<string>();
                    var quota3s = score60.Where(c => !string.IsNullOrWhiteSpace(c.quota3)).Select(z => z.quotaN3);
                    if (quota3s.Any())
                    {
                        quota.AddRange(quota3s);
                    }
                    var quota2s = score60.Where(c => string.IsNullOrWhiteSpace(c.quota3) && !string.IsNullOrWhiteSpace(c.quota2)).Select(z => z.quotaN2);
                    if (quota2s.Any())
                    {
                        quota.AddRange(quota2s);
                    }
                    comment.Append(comment3.Replace("{quotasLow}", string.Join("、", quota)));
                }
                string periodId = "";
                string periodName = "";
                if (periodIds.Any())
                {
                    var ps = school.period.FindAll(x => periodIds.Contains(x.id));
                    if (ps.Any())
                    {
                        periodName = String.Join("，", ps.Select(x => x.name));
                        periodId = String.Join("，", ps.Select(x => x.id));
                    }
                }
                List<ArtSubjectPdf> subjectPdfs = new List<ArtSubjectPdf>();
                exams.ForEach(exam => {
                    var result = examResults.FindAll(e => e.examId.Equals(exam.id));
                    if (result.Any())
                    {
                        var datas = DoKnowledgePoint(result.First(), exam, x.studentId);
                        if (exam.subjects.Any())
                        {
                            ArtSubjectPdf artSubjectPdf = new ArtSubjectPdf()
                            {
                                subjectId = exam.subjects.First().id,
                                subjectName = exam.subjects.First().name
                            };

                            datas.pointScores.Value.ForEach(k => {
                                var artPointPdfs = GetBlockAndDimension(k.score, k.tscore, artSubjectPdf.subjectId, k.name, subjectBindBlocks, artSetting);
                                artSubjectPdf.pointPdfs.AddRange(artPointPdfs);
                            });
                            var pointHigh = artSubjectPdf.pointPdfs.Where(z => z.percent >= 0.8).Select(z => z.point).ToHashSet();
                            var pointLow = artSubjectPdf.pointPdfs.Where(z => z.percent < 0.6).Select(z => z.point).ToHashSet();
                            StringBuilder comment = new StringBuilder();
                            if (pointHigh.Any())
                            {
                                comment.Append(comment4.Replace("{pointHigh}", string.Join("、", pointHigh)));
                            }
                            if (pointLow.Any())
                            {
                                comment.Append(comment5.Replace("{pointLow}", string.Join("、", pointLow)));
                            }
                            if (artSubjectPdf.subjectId.Equals("subject_music"))
                            {
                                comment.Append(comment_subject_music);
                            }
                            if (artSubjectPdf.subjectId.Equals("subject_painting"))
                            {
                                comment.Append(comment_subject_painting);
                            }
                            artSubjectPdf.comment = comment.ToString();
                            subjectPdfs.Add(artSubjectPdf);
                        }
                    }
                });
                ArtStudentPdf studentPdf = new ArtStudentPdf
                {
                    artId = art.id,
                    schoolCode = school.id,
                    schoolName = school.name,
                    periodId = periodId,
                    periodName = periodName,
                    studentId = x.studentId,
                    studentName = x.studentName,
                    picture = x.picture,
                    classNames = classNames,
                    artName = art.name,
                    level = level,
                    score = allScore,
                    allSubjectQuotas = allSubjectQuotas.ToList(),
                    comment = comment.ToString(),
                    subjectPdfs = subjectPdfs,
                };
                studentPdfs.Add(studentPdf);
            });
            // _ = _httpTrigger.RequestHttpTrigger(new { studentPdfs = studentPdfs, artResults, schoolCode = $"{_schoolId}" }, _option.Location, "gen-art-pdf");
           
            return (studentPdfs, artResults);
        }
        private static  JsonDocument readFileJson(string path)
        {
            var sampleJson = System.IO.File.ReadAllBytes(path).AsSpan();
            Utf8JsonReader reader = new Utf8JsonReader(sampleJson);
            if (JsonDocument.TryParseValue(ref reader, out JsonDocument jsonDoc))
            {
                return jsonDoc;
            }
            else
            {
                return null;
            }

        }
        //获取本次评测所有科目结算结果
        /* List<ExamResult> examResults = new();
         ExamInfo info = await client.GetContainer(Constant.TEAMModelOS, "Common").ReadItemAsync<ExamInfo>(examId.ToString(), new PartitionKey($"Exam-{code}"));
         var query = $"select c.id,c.name,c.subjectId,c.studentScores,c.studentIds,c.paper,c.classes,c.sRate,c.average,c.standard,c.lostStus,c.record,c.phc,c.plc from c where c.examId = '{examId}' and c.subjectId = '{subjectId}' ";
         await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "Common").GetItemQueryIteratorSql<ExamResult>(queryText: query, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"ExamResult-{examId}") }))
                 {
                     examResults.Add(item);
                 }*/
        private static (KeyValuePair<string, List<string>> knowledgeName,
            KeyValuePair<string, List<(string name, double score)>> pointScore,
            KeyValuePair<string, List<(string name, double score)>> pointTScore,
            KeyValuePair<string, List<(string name, double score, double tscore)>> pointScores) DoKnowledgePoint(ExamResult exam, ExamInfo info, string studentId)
        {
            HashSet<string> knowledge = new();
            List<double> point = new();
            List<List<double>> result = new();
            List<ClassRange> classes = new();

            //定位试卷信息
            int index = 0;
            foreach (ExamSubject subject in info.subjects)
            {
                if (subject.id.Equals(exam.subjectId))
                {
                    break;
                }
                else
                {
                    index++;
                }
            }
            if (info.papers[index].knowledge != null && info.papers[index].knowledge.Count > 0)
            {
                info.papers[index].knowledge.ForEach(k =>
                {
                    k.ForEach(e =>
                    {
                        knowledge.Add(e);
                    });
                });
            }
            else
            {
                return (default, default, default, default);
            }
            point = info.papers[index].point;
            result = exam.studentScores;
            classes = exam.classes;

            List<string> knowledgeName = new List<string>();
            foreach (string cla in knowledge)
            {
                knowledgeName.Add(cla);
            }
            for (int k = 0; k < knowledgeName.Count; k++)
            {
                if (null == knowledgeName[k])
                {
                    knowledgeName.Remove(knowledgeName[k]);
                }
            }
            List<double> knowScore = new();
            //学生得分情况
            List<(string name, double score)> pointScore = new();
            List<(string name, double score)> pointTScore = new();
            List<(string name, double score, double tscore)> pointScores = new();
            for (int k = 0; k < knowledgeName.Count; k++)
            {
                double OnePoint = 0;
                List<string> itemNo = new();
                int n = 0;
                double scores = 0;
                info.papers[index].knowledge.ForEach(kno =>
                {
                    if (kno.Contains(knowledgeName[k]))
                    {
                        var itemPersent = kno.Count > 0 ? 1 / Convert.ToDouble(kno.Count) : 0;
                        OnePoint += point[n] * itemPersent;
                        int stuIndex = exam.studentIds.IndexOf(studentId);
                        if (exam.studentScores[stuIndex][n] > 0)
                        {
                            scores += exam.studentScores[stuIndex][n] * itemPersent;
                        }
                    }
                    n++;
                });
                //单个知识点的配分
                pointScore.Add((knowledgeName[k], OnePoint));
                pointTScore.Add((knowledgeName[k], scores));
                pointScores.Add((knowledgeName[k], OnePoint, scores));

            }
            KeyValuePair<string, List<string>> key1 = new(exam.subjectId, knowledgeName);
            KeyValuePair<string, List<(string name, double score)>> key2 = new(exam.subjectId, pointScore);
            KeyValuePair<string, List<(string name, double score)>> key3 = new(exam.subjectId, pointTScore);
            KeyValuePair<string, List<(string name, double score, double tscore)>> key4 = new(exam.subjectId, pointScores);
            return (key1, key2, key3, key4);
        }
        private static List<ArtPointPdf> GetBlockAndDimension(double score, double tscore, string subjectId, string point, List<KeyValuePair<string, List<Block>>> subjectBindBlocks, ArtSetting artSetting)
        {
            var block = subjectBindBlocks.Find(z => z.Key.Equals(subjectId));
            List<ArtPointPdf> artPointPdfs = new List<ArtPointPdf>();
            if (!string.IsNullOrWhiteSpace(block.Key))
            {
                block.Value.ForEach(z => {
                    if (z.points.Contains(point))
                    {
                        var dims = artSetting.dimensions.FindAll(m => m.blocks.Contains(z.name));
                        if (dims.Any())
                        {
                            foreach (var dim in dims)
                            {
                                artPointPdfs.Add(
                                    new ArtPointPdf
                                    {
                                        dimension = dim.dimension,
                                        block = z.name,
                                        point = point,
                                        totalScore = score,
                                        score = tscore,
                                        percent = score > 0 ? tscore * 1.0 / score : 0,
                                    }
                                );
                            }
                        }
                    }
                });
            }
            return artPointPdfs;
        }
    }
}