package mediacontentmod

import (
	"91porn-server/models"
	"encoding/json"
	"errors"
	"fmt"
	"strings"
	"time"

	"91porn-server/common/db"
	"91porn-server/common/log"

	"go.mongodb.org/mongo-driver/bson"
	"go.mongodb.org/mongo-driver/bson/primitive"
	"go.mongodb.org/mongo-driver/mongo"
	"go.mongodb.org/mongo-driver/mongo/options"
)

const table = models.MediaContent

func coll(t *db.MongoTool) *db.MongoTool {
	if t == nil {
		return mdb.Coll(table)
	}
	return t.Coll(table)
}

// Init 初始化索引
func Init() {
	mdb = db.Init(table)
	initIndex()
}

func initIndex() {
	many := []mongo.IndexModel{
		{
			Keys: bson.D{{Key: "mediaId", Value: 1}},
		},
		{
			Keys: bson.D{{Key: "hashId", Value: 1}},
		},
	}
	if _, err := coll(nil).CreateIndex(many); err != nil {
		panic(fmt.Sprintf("%s model set index err ==>[%+v]", table, err))
	}
}

// GetList 获取列表
func GetList(cond bson.M, skip, limit int64, sort bson.D) (res []MediaContent, count int64, hasNext bool, err error) {
	count, err = coll(nil).Count(cond)
	if err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "GetList", table, "Count", err),
			log.Any("skip", skip),
			log.Any("limit", limit),
			log.Any("cond", cond),
			log.Any("sort", sort),
		)
		return
	}

	if len(sort) == 0 {
		sort = bson.D{{Key: "_id", Value: -1}}
	}
	opts := options.Find().SetSort(sort).SetSkip(skip).SetLimit(limit + 1)
	if err = coll(nil).Find(&res, cond, opts); err != nil {
		return
	}
	// 判断下一页
	if len(res) > int(limit) {
		hasNext = true
		res = res[:limit]
	}

	return
}

func QueryContentsPrice(mediaId primitive.ObjectID) (price int64, err error) {
	type contentsPrice struct {
		Total int64 `bson:"total"`
	}
	res := []contentsPrice{}
	pipeline := []bson.M{
		bson.M{"$match": bson.M{
			"mediaId":  mediaId,
			"isActive": true,
			"isDelete": false,
		},
		},
		bson.M{"$group": bson.M{"_id": "$mediaId", "total": bson.M{"$sum": "$price"}}},
	}
	err = coll(nil).Aggregate(&res, pipeline)
	if err != nil {
		return
	}
	if len(res) > 0 {
		price = res[0].Total
	}
	return
}

// QueryAllList 分页查询文档
func QueryAllList(filter primitive.M, opts ...*options.FindOptions) (out []*MediaContent, err error) {
	if err = coll(nil).Find(&out, filter, opts...); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "QueryAllList", table, "Find", err),
			log.Any("filter", filter),
			log.Any("opts", opts),
		)
		return nil, err
	}
	return
}

// QueryAllCount 查询文档条目数
func QueryAllCount(filter primitive.M) (int64, error) {
	if count, err := coll(nil).Count(filter); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "QueryAllCount", table, "Count", err),
			log.Any("filter", filter),
		)
		return 0, err
	} else {
		return count, nil
	}
}

var MediaContentNotFound = errors.New("media not found")

// GetInfoByHashId 通过hashId获取详细信息
func GetInfoByHashId(mediaId primitive.ObjectID, hashId string) (MediaContent, error) {
	v := MediaContent{}
	if err := coll(nil).FindOne(&v, bson.M{"mediaId": mediaId, "hashId": hashId, "isDelete": false}); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "GetInfoByHashId", table, "FindOne", err),
			log.Any("hashId", hashId),
		)
		return v, err
	}
	if v.ID.IsZero() {
		return v, MediaContentNotFound
	}

	return v, nil
}

// GetInfoByMediaIdAndName 通过mediaId与name获取详细信息
func GetInfoByMediaIdAndName(mediaId primitive.ObjectID, name string) (MediaContent, error) {
	v := MediaContent{}
	if err := coll(nil).FindOne(&v, bson.M{"mediaId": mediaId, "name": strings.TrimSpace(name), "isDelete": false}); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "GetInfoByMediaIdAndName", table, "FindOne", err),
			log.Any("mediaId", mediaId),
			log.Any("title", name),
		)
		return v, err
	}
	if v.ID.IsZero() {
		return v, MediaContentNotFound
	}

	return v, nil
}

// GetInfo 通过id获取详细信息
func GetInfo(id primitive.ObjectID, isActive ...bool) (MediaContent, error) {
	cond := bson.M{"_id": id}
	if len(isActive) > 0 {
		cond["isActive"] = isActive[0]
	}
	v := MediaContent{}
	if err := coll(nil).FindOne(&v, cond); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "GetInfo", table, "FindOne", err),
			log.Any("id", id),
		)
		return v, err
	}

	return v, nil
}

func GetInfoByCond(cond bson.M) (MediaContent, error) {
	v := MediaContent{}
	if err := coll(nil).FindOne(&v, cond); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "GetInfo", table, "FindOne", err),
			log.Any("cond", cond),
		)
		return v, err
	}

	return v, nil
}

// IncCountPurchases 购买次数增加
func IncCountPurchases(id primitive.ObjectID, inc int) error {
	return IncCountPurchasesWithTool(nil, id, inc)
}

func IncCountPurchasesWithTool(t *db.MongoTool, id primitive.ObjectID, inc int) error {
	query := bson.M{"_id": id}
	update := bson.M{"$set": bson.M{"updateTime": time.Now()}, "$inc": bson.M{"countPurchases": inc}}
	_, err := coll(t).UpdateOne(query, update)
	if err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "IncCountPurchases", table, "UpdateOne", err),
			log.Any("id", id),
		)
		return err
	}
	return nil
}

// IncCollectCount 收藏次数增加
func IncCollectCount(id primitive.ObjectID, inc int) error {
	query := bson.M{"_id": id}
	update := bson.M{"$set": bson.M{"updateTime": time.Now()}, "$inc": bson.M{"countCollect": inc}}
	_, err := coll(nil).UpdateOne(query, update)
	if err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "IncLikeCount", table, "UpdateOne", err),
			log.Any("id", id),
		)
		return err
	}
	return nil
}

// IncreaseCountLikeByID 更新媒体点赞数
func IncreaseCountLikeByID(id primitive.ObjectID, value int) (err error) {
	if _, err = coll(nil).UpdateOne(bson.M{"_id": id}, bson.M{"$inc": bson.M{"countLike": value}}); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "IncreaseLikeCountByID", table, "UpdateOne", err),
			log.Any("id", id),
			log.Any("value", value),
		)
		return
	}
	return
}

// IncreaseCountDislikeByID 更新媒体点踩数
func IncreaseCountDislikeByID(id primitive.ObjectID, value int) (err error) {
	if _, err = coll(nil).UpdateOne(bson.M{"_id": id}, bson.M{"$inc": bson.M{"countDisLike": value}}); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "IncreaseLikeCountByID", table, "UpdateOne", err),
			log.Any("id", id),
			log.Any("value", value),
		)
		return
	}
	return
}

// IncrCommentCountByID 更新媒体评论数
func IncrCommentCountByID(id primitive.ObjectID, value int) (err error) {
	if _, err = coll(nil).UpdateOne(bson.M{"_id": id}, bson.M{"$inc": bson.M{"countComment": value}}); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "IncrCommentCountByID", table, "UpdateOne", err),
			log.Any("id", id),
			log.Any("value", value),
		)
		return
	}
	return
}

// IncBrowseCount 更新媒体评论数
func IncBrowseCount(id primitive.ObjectID, value int) (err error) {
	if _, err = coll(nil).UpdateOne(bson.M{"_id": id}, bson.M{"$inc": bson.M{"countBrowse": value}}); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "IncBrowseCount", table, "UpdateOne", err),
			log.Any("id", id),
			log.Any("value", value),
		)
		return
	}
	return
}

func UpdateOneByID(id primitive.ObjectID, set bson.M) (*mongo.UpdateResult, error) {
	return coll(nil).UpdateOne(bson.M{"_id": id}, bson.M{"$set": set})
}

func InsetBatch(t *db.MongoTool, list []MediaContent) (err error) {
	if len(list) == 0 {
		return
	}
	if _, err := coll(t).InsertMany(list); err != nil {
		log.Warn(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "InsetBatch", table, "InsertMany", err))
		return err
	}
	return
}

// Insert 插入记录
func Insert(t *db.MongoTool, d MediaContent) (data primitive.ObjectID, err error) {
	result, err := coll(t).InsertOne(&d)
	if err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "Insert", table, "InsertOne", err))
		return
	}
	byteID, err := json.Marshal(result.InsertedID)
	if err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "Insert", table, "Marshal", err))
		return
	}
	if err = data.UnmarshalJSON(byteID); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "Insert", table, "UnmarshalJSON", err))
		return
	}
	return
}

// UpdateByID 根据id更新数据
func UpdateByID(t *db.MongoTool, id primitive.ObjectID, data map[string]interface{}) (int64, error) {
	cond := bson.M{"_id": id}
	return update(t, cond, data)
}

// UpdateByIDS 根据ids更新数据
func UpdateByIDS(t *db.MongoTool, ids []primitive.ObjectID, data map[string]interface{}) (int64, error) {
	cond := bson.M{"_id": bson.M{"$in": ids}}
	return update(t, cond, data)
}

// UpdateByCond 根据cond更新数据
func UpdateByCond(t *db.MongoTool, cond primitive.M, data map[string]interface{}) (int64, error) {
	return update(t, cond, data)
}

// update 更新数据
func update(t *db.MongoTool, cond primitive.M, data map[string]interface{}) (int64, error) {
	result, err := coll(t).UpdateMany(cond, bson.M{"$set": bson.M(data)})
	if err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "Update", table, "UpdateMany", err),
			log.Any("cond", cond),
			log.Any("update", data),
		)
		return 0, err
	}

	return result.ModifiedCount, nil
}

// DeleteByID 删除数据
func DeleteByID(t *db.MongoTool, id primitive.ObjectID) error {
	_, err := coll(t).UpdateOne(bson.M{"_id": id}, bson.M{"$set": bson.M{"isDelete": true}})
	if err != nil {
		if err == mongo.ErrNoDocuments {
			return nil
		} else {
			log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "DeleteByID", table, "DeleteMany", err), log.Any("id", id))
		}
	}

	return err
}

// DeleteByMediaId 删除数据
func DeleteByMediaId(t *db.MongoTool, mediaId primitive.ObjectID) error {
	_, err := coll(t).UpdateMany(bson.M{"mediaId": mediaId}, bson.M{"$set": bson.M{"isDelete": true}})
	if err != nil {
		if err == mongo.ErrNoDocuments {
			return nil
		} else {
			log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "DeleteByMediaId", table, "DeleteMany", err), log.Any("mediaId", mediaId))
		}
	}

	return err
}

// UpdateForReview 内容审查通过后回写文本字段
// title 对应 MediaContent.Name，content 对应 MediaContent.Text
func UpdateForReview(id primitive.ObjectID, title, content string) error {
	set := bson.M{}
	if title != "" {
		set["name"] = title
	}
	if content != "" {
		set["text"] = content
	}
	if len(set) == 0 {
		return nil
	}
	set["updateTime"] = time.Now()
	_, err := coll(nil).UpdateOne(bson.M{"_id": id}, bson.M{"$set": set})
	return err
}

// OffShelfManyForReview 内容审查命中后批量下架章节（isActive -> false）
// 仅当前 isActive=true 的会被改动
func OffShelfManyForReview(ids []primitive.ObjectID) error {
	if len(ids) == 0 {
		return nil
	}
	_, err := coll(nil).UpdateMany(
		bson.M{"_id": bson.M{"$in": ids}, "isActive": true},
		bson.M{"$set": bson.M{"isActive": false, "updateTime": time.Now()}},
	)
	return err
}