package db

import (
	"context"
	"fmt"
	"reflect"
	"youngee_b_api/model/common_model"
	"youngee_b_api/model/gorm_model"
	"youngee_b_api/pack"
	"youngee_b_api/util"

	"github.com/sirupsen/logrus"
	"gorm.io/gorm"
)

func CreateProject(ctx context.Context, projectInfo gorm_model.ProjectInfo) (*int64, error) {
	db := GetWriteDB(ctx)
	err := db.Create(&projectInfo).Error
	if err != nil {
		return nil, err
	}
	return &projectInfo.ProjectID, nil
}
func UpdateProject(ctx context.Context, project gorm_model.ProjectInfo) (*int64, error) {
	db := GetReadDB(ctx)
	err := db.Model(&project).Updates(project).Error
	if err != nil {
		return nil, err
	}
	return &project.ProjectID, nil
}

func GetFullProjectList(ctx context.Context, enterpriseID int64, pageSize, pageNum int32, condition *common_model.ProjectCondition) ([]*gorm_model.ProjectInfo, int64, error) {
	db := GetReadDB(ctx)
	// 根据企业id过滤
	db = db.Debug().Model(gorm_model.ProjectInfo{}).Where("enterprise_id = ?", enterpriseID)
	// 根据Project条件过滤
	conditionType := reflect.TypeOf(condition).Elem()
	conditionValue := reflect.ValueOf(condition).Elem()
	for i := 0; i < conditionType.NumField(); i++ {
		field := conditionType.Field(i)
		tag := field.Tag.Get("condition")
		value := conditionValue.FieldByName(field.Name)
		if tag == "project_status" && util.IsBlank(value) {
			db = db.Where(fmt.Sprintf("project_status != 1"))
		}
		if !util.IsBlank(value) && tag != "updated_at" && tag != "project_name" {
			db = db.Where(fmt.Sprintf("%s = ?", tag), value.Interface())
		}
		if tag == "updated_at" {
			db = db.Where(fmt.Sprintf("%s > ?", tag), value.Interface())
		}
		if tag == "project_name" && !util.IsBlank(value) {
			db = db.Where(fmt.Sprintf("%s = ?", tag), value.Interface())
		}
	}
	// 查询总数
	var total int64
	var fullProjects []*gorm_model.ProjectInfo
	if err := db.Count(&total).Error; err != nil {
		logrus.WithContext(ctx).Errorf("[GetFullProjectList] error query mysql total, err:%+v", err)
		return nil, 0, err
	}
	// 查询该页数据
	limit := pageSize
	offset := pageSize * pageNum // assert pageNum start with 0
	err := db.Order("project_id").Limit(int(limit)).Offset(int(offset)).Find(&fullProjects).Error
	if err != nil {
		logrus.WithContext(ctx).Errorf("[GetFullProjectList] error query mysql total, err:%+v", err)
		return nil, 0, err
	}
	return fullProjects, total, nil
}

func GetProjectTaskList(ctx context.Context, projectID string, pageSize, pageNum int64, conditions *common_model.TaskConditions) ([]*gorm_model.ProjectTaskInfo, int64, error) {
	db := GetReadDB(ctx)
	// 查询task表信息
	db = db.Debug().Model(gorm_model.YoungeeTaskInfo{})
	// 根据Project条件过滤
	conditionType := reflect.TypeOf(conditions).Elem()
	conditionValue := reflect.ValueOf(conditions).Elem()
	for i := 0; i < conditionType.NumField(); i++ {
		field := conditionType.Field(i)
		tag := field.Tag.Get("condition")
		value := conditionValue.FieldByName(field.Name)
		if !util.IsBlank(value) && tag != "platform_nickname" {
			db = db.Where(fmt.Sprintf("%s = ?", tag), value.Interface())
		} else if tag == "platform_nickname" {
			continue
		}
	}
	var taskInfos []gorm_model.YoungeeTaskInfo
	db = db.Model(gorm_model.YoungeeTaskInfo{})
	// 查询总数
	var totalTask int64
	if err := db.Count(&totalTask).Error; err != nil {
		logrus.WithContext(ctx).Errorf("[GetProjectTaskList] error query mysql total, err:%+v", err)
		return nil, 0, err
	}
	db.Order("task_id").Find(&taskInfos)

	// 查询账号id
	var accountIds []int
	taskMap := make(map[int]gorm_model.YoungeeTaskInfo)
	for _, taskInfo := range taskInfos {
		accountIds = append(accountIds, taskInfo.AccountID)
		taskMap[taskInfo.AccountID] = taskInfo
	}
	db1 := GetReadDB(ctx)
	db1 = db1.Debug().Model(gorm_model.YoungeePlatformAccountInfo{})
	// 根据Project条件过滤
	conditionType2 := reflect.TypeOf(conditions).Elem()
	conditionValue2 := reflect.ValueOf(conditions).Elem()
	for i := 0; i < conditionType2.NumField(); i++ {
		field := conditionType2.Field(i)
		tag := field.Tag.Get("condition")
		value := conditionValue2.FieldByName(field.Name)
		if !util.IsBlank(value) && tag == "platform_nickname" {
			db1 = db1.Where(fmt.Sprintf("%s = ?", tag), value.Interface())
		}
	}
	var accountInfos []gorm_model.YoungeePlatformAccountInfo
	db1 = db1.Model(gorm_model.YoungeePlatformAccountInfo{}).Where("account_id IN ?", accountIds).Find(&accountInfos)
	// 查询总数
	var totalAccount int64
	if err := db1.Count(&totalAccount).Error; err != nil {
		logrus.WithContext(ctx).Errorf("[GetProjectTaskList] error query mysql total, err:%+v", err)
		return nil, 0, err
	}
	var misNum int64
	if totalAccount > totalTask {
		misNum = totalAccount - totalTask
	} else {
		misNum = totalTask - totalAccount
	}
	logrus.Println("misNum:", misNum)
	// 查询该页数据
	limit := pageSize + misNum
	offset := pageSize * pageNum // assert pageNum start with 0
	err := db.Order("task_id").Limit(int(limit)).Offset(int(offset)).Error
	if err != nil {
		logrus.WithContext(ctx).Errorf("[GetProjectTaskList] error query mysql total, err:%+v", err)
		return nil, 0, err
	}

	accountMap := make(map[int]gorm_model.YoungeePlatformAccountInfo)
	for _, accountInfo := range accountInfos {
		accountMap[accountInfo.AccountID] = accountInfo
	}
	var taskAccounts []*gorm_model.TaskAccount
	var projectTasks []*gorm_model.ProjectTaskInfo
	for _, accountId := range accountIds {
		taskAccount := new(gorm_model.TaskAccount)
		_, ok := taskMap[accountId]
		_, ok2 := accountMap[accountId]
		if ok && ok2 {
			taskAccount.Task = taskMap[accountId]
			taskAccount.Account = accountMap[accountId]
		}
		taskAccounts = append(taskAccounts, taskAccount)
	}

	projectTasks = pack.TaskAccountToTaskInfo(taskAccounts)
	var fullProjectTasks []*gorm_model.ProjectTaskInfo
	// 删除只存在于一个表中的元素
	for i := 0; i < len(projectTasks); i++ {
		if projectTasks[i].TaskID != 0 {
			fullProjectTasks = append(fullProjectTasks, projectTasks[i])
		}
	}
	var total int64
	if totalTask > totalAccount {
		total = totalAccount
	} else {
		total = totalTask
	}
	return fullProjectTasks, total, nil
}

func GetProjectDetail(ctx context.Context, projectID int64) (*gorm_model.ProjectInfo, error) {
	db := GetReadDB(ctx)
	var ProjectDetail *gorm_model.ProjectInfo
	err := db.Where("project_id = ?", projectID).First(&ProjectDetail).Error
	if err != nil {
		if err == gorm.ErrRecordNotFound {
			return nil, nil
		} else {
			return nil, err
		}
	}
	return ProjectDetail, nil
}

func GetProjectPhoto(ctx context.Context, ProjectID int64) ([]gorm_model.ProjectPhoto, error) {
	db := GetReadDB(ctx)
	ProjectPhoto := []gorm_model.ProjectPhoto{}
	err := db.Where("project_id=?", ProjectID).Find(&ProjectPhoto).Error
	if err != nil {
		return nil, err
	}
	return ProjectPhoto, nil
}

func GetRecruitStrategys(ctx context.Context, ProjectID int64) ([]gorm_model.RecruitStrategy, error) {
	db := GetReadDB(ctx)
	RecruitStrategys := []gorm_model.RecruitStrategy{}
	err := db.Where("project_id=?", ProjectID).Find(&RecruitStrategys).Error
	if err != nil {
		return nil, err
	}
	return RecruitStrategys, nil
}

func ChangeTaskStatus(ctx context.Context, data []string, taskStatus string) error {
	db := GetReadDB(ctx)
	taskInfo := gorm_model.YoungeeTaskInfo{}
	if err := db.Debug().Model(&taskInfo).Where("task_id IN ?", data).
		Updates(gorm_model.YoungeeTaskInfo{TaskStatus: taskStatus}).Error; err != nil {

		logrus.WithContext(ctx).Errorf("[ChangeTaskStatus] error query mysql total, err:%+v", err)
		return err
	}
	return nil
}