package model

import "time"

// PackageSeries 套餐系列模型
// 套餐的分组,用于一次性分佣规则配置
type PackageSeries struct {
	ID          uint      `gorm:"column:id;primaryKey;comment:套餐系列ID" json:"id"`
	SeriesCode  string    `gorm:"column:series_code;type:varchar(100);uniqueIndex;not null;comment:系列编码" json:"series_code"`
	SeriesName  string    `gorm:"column:series_name;type:varchar(255);not null;comment:系列名称" json:"series_name"`
	Description string    `gorm:"column:description;type:text;comment:描述" json:"description"`
	Status      int       `gorm:"column:status;type:int;default:1;not null;comment:状态 1-启用 2-禁用" json:"status"`
	CreatedAt   time.Time `gorm:"column:created_at;autoCreateTime;comment:创建时间" json:"created_at"`
	UpdatedAt   time.Time `gorm:"column:updated_at;autoUpdateTime;comment:更新时间" json:"updated_at"`
}

// TableName 指定表名
func (PackageSeries) TableName() string {
	return "package_series"
}

// Package 套餐模型
// 只适用于 IoT 卡,支持真流量/虚流量共存机制
type Package struct {
	ID             uint      `gorm:"column:id;primaryKey;comment:套餐ID" json:"id"`
	PackageCode    string    `gorm:"column:package_code;type:varchar(100);uniqueIndex;not null;comment:套餐编码" json:"package_code"`
	PackageName    string    `gorm:"column:package_name;type:varchar(255);not null;comment:套餐名称" json:"package_name"`
	SeriesID       uint      `gorm:"column:series_id;type:bigint;comment:套餐系列ID" json:"series_id"`
	PackageType    string    `gorm:"column:package_type;type:varchar(50);not null;comment:套餐类型 formal-正式套餐 addon-附加套餐" json:"package_type"`
	DurationMonths int       `gorm:"column:duration_months;type:int;not null;comment:套餐时长(月数) 1-月套餐 12-年套餐" json:"duration_months"`
	DataType       string    `gorm:"column:data_type;type:varchar(20);comment:流量类型 real-真流量 virtual-虚流量" json:"data_type"`
	RealDataMB     int64     `gorm:"column:real_data_mb;type:bigint;default:0;comment:真流量额度(MB)" json:"real_data_mb"`
	VirtualDataMB  int64     `gorm:"column:virtual_data_mb;type:bigint;default:0;comment:虚流量额度(MB,用于停机判断)" json:"virtual_data_mb"`
	DataAmountMB   int64     `gorm:"column:data_amount_mb;type:bigint;default:0;comment:总流量额度(MB)" json:"data_amount_mb"`
	Price          float64   `gorm:"column:price;type:decimal(10,2);not null;comment:套餐价格(元)" json:"price"`
	Status         int       `gorm:"column:status;type:int;default:1;not null;comment:状态 1-启用 2-禁用" json:"status"`
	CreatedAt      time.Time `gorm:"column:created_at;autoCreateTime;comment:创建时间" json:"created_at"`
	UpdatedAt      time.Time `gorm:"column:updated_at;autoUpdateTime;comment:更新时间" json:"updated_at"`
}

// TableName 指定表名
func (Package) TableName() string {
	return "packages"
}

// AgentPackageAllocation 代理套餐分配模型
// 为直属下级代理分配套餐,设置佣金模式
type AgentPackageAllocation struct {
	ID          uint      `gorm:"column:id;primaryKey;comment:分配ID" json:"id"`
	AgentID     uint      `gorm:"column:agent_id;type:bigint;not null;comment:代理用户ID" json:"agent_id"`
	PackageID   uint      `gorm:"column:package_id;type:bigint;not null;comment:套餐ID" json:"package_id"`
	CostPrice   float64   `gorm:"column:cost_price;type:decimal(10,2);not null;comment:成本价(元)" json:"cost_price"`
	RetailPrice float64   `gorm:"column:retail_price;type:decimal(10,2);not null;comment:零售价(元)" json:"retail_price"`
	Status      int       `gorm:"column:status;type:int;default:1;not null;comment:状态 1-启用 2-禁用" json:"status"`
	CreatedAt   time.Time `gorm:"column:created_at;autoCreateTime;comment:创建时间" json:"created_at"`
	UpdatedAt   time.Time `gorm:"column:updated_at;autoUpdateTime;comment:更新时间" json:"updated_at"`
}

// TableName 指定表名
func (AgentPackageAllocation) TableName() string {
	return "agent_package_allocations"
}

// DeviceSimBinding 设备-IoT卡绑定关系模型
// 管理设备与 IoT 卡的多对多绑定关系(1 设备绑定 1-4 张 IoT 卡)
type DeviceSimBinding struct {
	ID           uint       `gorm:"column:id;primaryKey;comment:绑定ID" json:"id"`
	DeviceID     uint       `gorm:"column:device_id;type:bigint;not null;comment:设备ID" json:"device_id"`
	IotCardID    uint       `gorm:"column:iot_card_id;type:bigint;not null;comment:IoT卡ID" json:"iot_card_id"`
	SlotPosition int        `gorm:"column:slot_position;type:int;comment:插槽位置(1, 2, 3, 4)" json:"slot_position"`
	BindStatus   int        `gorm:"column:bind_status;type:int;default:1;comment:绑定状态 1-已绑定 2-已解绑" json:"bind_status"`
	BindTime     *time.Time `gorm:"column:bind_time;comment:绑定时间" json:"bind_time"`
	UnbindTime   *time.Time `gorm:"column:unbind_time;comment:解绑时间" json:"unbind_time"`
	CreatedAt    time.Time  `gorm:"column:created_at;autoCreateTime;comment:创建时间" json:"created_at"`
	UpdatedAt    time.Time  `gorm:"column:updated_at;autoUpdateTime;comment:更新时间" json:"updated_at"`
}

// TableName 指定表名
func (DeviceSimBinding) TableName() string {
	return "device_sim_bindings"
}

// PackageUsage 套餐使用情况模型
// 跟踪单卡套餐和设备级套餐的流量使用
type PackageUsage struct {
	ID                 uint       `gorm:"column:id;primaryKey;comment:套餐使用ID" json:"id"`
	OrderID            uint       `gorm:"column:order_id;type:bigint;not null;comment:订单ID" json:"order_id"`
	PackageID          uint       `gorm:"column:package_id;type:bigint;not null;comment:套餐ID" json:"package_id"`
	UsageType          string     `gorm:"column:usage_type;type:varchar(20);not null;comment:使用类型 single_card-单卡套餐 device-设备级套餐" json:"usage_type"`
	IotCardID          uint       `gorm:"column:iot_card_id;type:bigint;comment:IoT卡ID(单卡套餐时有值)" json:"iot_card_id"`
	DeviceID           uint       `gorm:"column:device_id;type:bigint;comment:设备ID(设备级套餐时有值)" json:"device_id"`
	DataLimitMB        int64      `gorm:"column:data_limit_mb;type:bigint;not null;comment:流量限额(MB)" json:"data_limit_mb"`
	DataUsageMB        int64      `gorm:"column:data_usage_mb;type:bigint;default:0;comment:已使用流量(MB)" json:"data_usage_mb"`
	RealDataUsageMB    int64      `gorm:"column:real_data_usage_mb;type:bigint;default:0;comment:真流量使用(MB)" json:"real_data_usage_mb"`
	VirtualDataUsageMB int64      `gorm:"column:virtual_data_usage_mb;type:bigint;default:0;comment:虚流量使用(MB)" json:"virtual_data_usage_mb"`
	ActivatedAt        time.Time  `gorm:"column:activated_at;not null;comment:套餐生效时间" json:"activated_at"`
	ExpiresAt          time.Time  `gorm:"column:expires_at;not null;comment:套餐过期时间" json:"expires_at"`
	Status             int        `gorm:"column:status;type:int;default:1;not null;comment:状态 1-生效中 2-已用完 3-已过期" json:"status"`
	LastPackageCheckAt *time.Time `gorm:"column:last_package_check_at;comment:最后一次套餐流量检查时间" json:"last_package_check_at"`
	CreatedAt          time.Time  `gorm:"column:created_at;autoCreateTime;comment:创建时间" json:"created_at"`
	UpdatedAt          time.Time  `gorm:"column:updated_at;autoUpdateTime;comment:更新时间" json:"updated_at"`
}

// TableName 指定表名
func (PackageUsage) TableName() string {
	return "package_usages"
}