package models

import (
	"time"

	"gorm.io/gorm"
)

// AssetLevel 藏品等级配置
type AssetLevel struct {
	ID            int64  `gorm:"primaryKey;autoIncrement"`
	Level         string `gorm:"type:varchar(10);unique;not null"`
	LevelOrder    int    `gorm:"not null"`
	HourlyRevenue int    `gorm:"not null"`
	RequireHours  int    `gorm:"not null"`
	RequireLikes  int    `gorm:"not null"`
	IsInitial     bool   `gorm:"default:false"`
	CreatedAt     int64  `gorm:"not null"`
	UpdatedAt     int64  `gorm:"not null"`
}

func (AssetLevel) TableName() string { return "asset_levels" }

// AssetLevelRecord 藏品等级记录
type AssetLevelRecord struct {
	ID                      int64  `gorm:"primaryKey;autoIncrement"`
	AssetID                 int64  `gorm:"unique;not null"`
	CurrentLevel            string `gorm:"type:varchar(10);not null;default:'N'"`
	SeasonExhibitionHours   int    `gorm:"default:0;not null"`
	SeasonLikes             int    `gorm:"default:0;not null"`
	LifetimeExhibitionHours int    `gorm:"default:0;not null"`
	LifetimeLikes           int    `gorm:"default:0;not null"`
	SeasonID                string `gorm:"type:varchar(50)"`
	UpdatedAt               int64  `gorm:"not null"`
}

func (AssetLevelRecord) TableName() string { return "asset_level_records" }

// AssetLevelChangeLog 等级变化日志
type AssetLevelChangeLog struct {
	ID           int64  `gorm:"primaryKey;autoIncrement"`
	AssetID      int64  `gorm:"not null;index"`
	FromLevel    string `gorm:"type:varchar(10)"`
	ToLevel      string `gorm:"type:varchar(10);not null"`
	TriggerType  string `gorm:"type:varchar(20);not null"`
	TriggerHours int    `gorm:"default:0"`
	TriggerLikes int    `gorm:"default:0"`
	ChangeReason string `gorm:"type:varchar(255)"`
	CreatedAt    int64  `gorm:"not null;index"`
}

func (AssetLevelChangeLog) TableName() string { return "asset_level_change_logs" }

// Season 赛季配置
type Season struct {
	ID            string `gorm:"primaryKey;type:varchar(50)"`
	Name          string `gorm:"type:varchar(100);not null"`
	DurationDays  int    `gorm:"not null;default:84"`
	StartTime     int64  `gorm:"not null"`
	EndTime       int64  `gorm:"not null"`
	ResetStrategy string `gorm:"type:varchar(20);default:'percentage_decay'"`
	ResetLevel    bool   `gorm:"default:true"`
	Status        string `gorm:"type:varchar(20);default:'active'"`
	CreatedAt     int64  `gorm:"not null"`
	UpdatedAt     int64  `gorm:"not null"`
}

func (Season) TableName() string { return "seasons" }

// CalculateEndTime 计算赛季结束时间
func (s *Season) CalculateEndTime() int64 {
	return s.StartTime + int64(s.DurationDays)*86400000
}

// BeforeCreate 创建前钩子
func (s *Season) BeforeCreate(tx *gorm.DB) error {
	now := time.Now().UnixMilli()
	s.CreatedAt = now
	s.UpdatedAt = now
	s.EndTime = s.CalculateEndTime()
	if s.Status == "" {
		s.Status = "active"
	}
	return nil
}

// BeforeUpdate 更新前钩子
func (s *Season) BeforeUpdate(tx *gorm.DB) error {
	s.UpdatedAt = time.Now().UnixMilli()
	s.EndTime = s.CalculateEndTime()
	return nil
}

// SeasonDecayConfig 赛季降序百分比配置
type SeasonDecayConfig struct {
	ID              int64  `gorm:"primaryKey;autoIncrement"`
	SeasonID        string `gorm:"type:varchar(50);not null;uniqueIndex:uk_season_level"`
	Level           string `gorm:"type:varchar(10);not null;uniqueIndex:uk_season_level"`
	PreservePercent int    `gorm:"not null;default:100"`
	UpdatedAt       int64  `gorm:"not null"`
}

func (SeasonDecayConfig) TableName() string { return "season_decay_config" }

// 等级常量
const (
	LevelN   = "N"
	LevelR   = "R"
	LevelSR  = "SR"
	LevelSSR = "SSR"
	LevelUR  = "UR"
)

// LevelOrderMap 等级顺序映射
var LevelOrderMap = map[string]int{
	LevelN:   1,
	LevelR:   2,
	LevelSR:  3,
	LevelSSR: 4,
	LevelUR:  5,
}

// LevelToGradeMap 等级字符串到前端Grade的映射（1-5）
var LevelToGradeMap = map[string]int{
	LevelN:   1,
	LevelR:   2,
	LevelSR:  3,
	LevelSSR: 4,
	LevelUR:  5,
}

// LevelToGrade 将等级字符串转换为前端Grade
func LevelToGrade(level string) int {
	if grade, ok := LevelToGradeMap[level]; ok {
		return grade
	}
	return 1 // 默认返回1
}