package impl

import (
	"context"
	"fmt"
	"geo/internal/data/model"
	"geo/tmpl/dataTemp"
	"geo/utils"
	"time"

	"xorm.io/builder"
)

type PublishImpl struct {
	dataTemp.DataTemp
	db *utils.Db
}

func NewPublishImpl(db *utils.Db) *PublishImpl {
	return &PublishImpl{
		DataTemp: *dataTemp.NewDataTemp(db, new(model.Publish)),
		db:       db,
	}
}

func (m *PublishImpl) PrimaryKey() string {
	return "id"
}

func (m *PublishImpl) GetTemp() *dataTemp.DataTemp {
	return &m.DataTemp
}

// BatchInsert 批量插入发布记录
func (p *PublishImpl) BatchInsert(ctx context.Context, tokenID int, records []map[string]interface{}) (int64, error) {
	if len(records) == 0 {
		return 0, nil
	}

	sql := `INSERT INTO publish 
		(token_id, user_index, request_id, title, tag, type, plat_index, url, publish_time, status, create_time, img) 
		VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`

	var total int64
	for _, record := range records {
		result := p.db.Client.WithContext(ctx).Exec(sql,
			tokenID,
			record["user_index"],
			record["request_id"],
			record["title"],
			record["tag"],
			record["type"],
			record["plat_index"],
			record["url"],
			record["publish_time"],
			1, // status = 1 待发布
			time.Now(),
			record["img"],
		)
		if result.Error != nil {
			return total, result.Error
		}
		total += result.RowsAffected
	}
	return total, nil
}

// GetOneWithPlat 查询单条发布记录并关联平台信息
func (p *PublishImpl) GetOneWithPlat(ctx context.Context, cond *builder.Cond) (map[string]interface{}, error) {
	query, err := builder.ToBoundSQL(*cond)
	if err != nil {
		return nil, err
	}
	// 构建带平台信息的查询
	sql := fmt.Sprintf(`
		SELECT 
			p.id,
			p.token_id,
			p.user_index,
			p.request_id,
			p.title,
			p.tag,
			p.type,
			p.plat_index,
			p.url,
			p.publish_time,
			p.status,
			p.create_time,
			p.img,
			p.msg,
			pl.index as plat_index_db,
			pl.name as plat_name,
			pl.login_url,
			pl.edit_url,
			pl.logined_url,
			pl.desc as plat_desc,
			pl.img_url as plat_img_url
		FROM publish p
		INNER JOIN plat pl ON p.plat_index = pl.index AND pl.status = 1
		WHERE %s
		LIMIT 1
	`, query)

	var result map[string]interface{}
	err = p.db.Client.WithContext(ctx).Raw(sql).Scan(&result).Error
	if err != nil {
		return nil, err
	}
	if result == nil || len(result) == 0 {
		return nil, nil
	}
	return result, nil
}

// GetOneWithPlatByRequestID 根据request_id查询发布记录并关联平台信息
func (p *PublishImpl) GetOneWithPlatByRequestID(ctx context.Context, requestID string) (map[string]interface{}, error) {
	sql := `
		SELECT 
			p.id,
			p.token_id,
			p.user_index,
			p.request_id,
			p.title,
			p.tag,
			p.type,
			p.plat_index,
			p.url,
			p.publish_time,
			p.status,
			p.create_time,
			p.img,
			p.msg,
			pl.index as plat_index_db,
			pl.name as plat_name,
			pl.login_url,
			pl.edit_url,
			pl.logined_url,
			pl.desc as plat_desc,
			pl.img_url as plat_img_url
		FROM publish p
		INNER JOIN plat pl ON p.plat_index = pl.index AND pl.status = 1
		WHERE p.request_id = ?
		LIMIT 1
	`

	var result map[string]interface{}
	err := p.db.Client.WithContext(ctx).Raw(sql, requestID).Scan(&result).Error
	if err != nil {
		return nil, err
	}
	if result == nil || len(result) == 0 {
		return nil, nil
	}
	return result, nil
}

// UpdateStatus 更新发布状态
func (p *PublishImpl) UpdateStatus(ctx context.Context, requestID string, status int, msg string) error {
	updateData := map[string]interface{}{
		"status": status,
	}
	if msg != "" {
		updateData["msg"] = msg
	}
	return p.db.Client.WithContext(ctx).
		Model(&model.Publish{}).
		Where("request_id = ?", requestID).
		Updates(updateData).Error
}

// GetListWithUser 获取发布列表并关联用户信息
func (p *PublishImpl) GetListWithUser(ctx context.Context, tokenID int32, page, pageSize int, filters map[string]interface{}) ([]map[string]interface{}, int64, error) {
	// 构建基础查询
	query := p.db.Client.WithContext(ctx).
		Table("publish p").
		Select(`
			p.id,
			p.user_index,
			u.name as user_name,
			p.request_id,
			p.title,
			p.tag,
			p.type,
			CASE 
				WHEN p.type = 1 THEN '文章'
				WHEN p.type = 2 THEN '视频'
				ELSE '未知'
			END as type_name,
			p.plat_index,
			pl.name as plat_name,
			p.url,
			p.publish_time,
			p.status,
			CASE 
				WHEN p.status = 1 THEN '待发布'
				WHEN p.status = 2 THEN '发布中'
				WHEN p.status = 3 THEN '发布失败'
				WHEN p.status = 4 THEN '发布成功'
				ELSE '未知'
			END as status_name,
			p.create_time,
			p.msg
		`).
		Joins("LEFT JOIN user u ON p.user_index = u.user_index").
		Joins("LEFT JOIN plat pl ON p.plat_index = pl.index").
		Where("u.token_id = ?", tokenID)

	// 添加过滤条件
	if userIndex, ok := filters["user_index"]; ok && userIndex != "" {
		query = query.Where("p.user_index = ?", userIndex)
	}
	if tag, ok := filters["tag"]; ok && tag != "" {
		query = query.Where("p.tag LIKE ?", "%"+tag.(string)+"%")
	}
	if typeFilter, ok := filters["type"]; ok && typeFilter != 0 {
		query = query.Where("p.type = ?", typeFilter)
	}
	if platIndex, ok := filters["plat_index"]; ok && platIndex != "" {
		query = query.Where("p.plat_index = ?", platIndex)
	}
	if status, ok := filters["status"]; ok && status != 0 {
		query = query.Where("p.status = ?", status)
	}
	if requestID, ok := filters["request_id"]; ok && requestID != "" {
		query = query.Where("p.request_id LIKE ?", "%"+requestID.(string)+"%")
	}

	// 获取总数
	var total int64
	if err := query.Count(&total).Error; err != nil {
		return nil, 0, err
	}

	// 分页查询
	var results []map[string]interface{}
	offset := (page - 1) * pageSize
	err := query.
		Order("p.publish_time DESC, p.create_time DESC").
		Limit(pageSize).
		Offset(offset).
		Scan(&results).Error

	return results, total, err
}