package model

import (
	"time"

)

// CloudBilling 云账单模型 - 每日成本记录
type CloudBilling struct {
	ID            uint           `gorm:"primarykey" json:"id"`
	CloudAccountID *uint         `gorm:"index" json:"cloud_account_id"`
	AccountName   string         `gorm:"size:128" json:"account_name"`
	Provider      string         `gorm:"size:64;index" json:"provider"` // aliyun, tencent, aws, huawei, azure
	BillingDate   string         `gorm:"size:10;index;not null" json:"billing_date"` // YYYY-MM-DD
	Cost          float64        `gorm:"type:decimal(12,2);default:0" json:"cost"`   // 费用（元）
	Currency      string         `gorm:"size:8;default:CNY" json:"currency"`         // CNY, USD
	Service       string         `gorm:"size:128" json:"service"`                    // ECS, RDS, OSS, CDN 等
	Region        string         `gorm:"size:64" json:"region"`
	Tags          string         `gorm:"type:text" json:"tags"` // JSON
	Description   string         `gorm:"size:500" json:"description"`
	CreatedAt     time.Time      `json:"created_at"`
	UpdatedAt     time.Time      `json:"updated_at"`
}

func (CloudBilling) TableName() string {
	return "asset_cloud_billings"
}

// BillingAlertRule 账单预警规则
type BillingAlertRule struct {
	ID            uint           `gorm:"primarykey" json:"id"`
	Name          string         `gorm:"size:128;not null" json:"name"`
	Provider      string         `gorm:"size:64" json:"provider"`                // 空=所有云厂商
	CloudAccountID *uint         `gorm:"index" json:"cloud_account_id"`          // 空=所有账号
	Metric        string         `gorm:"size:32;default:daily" json:"metric"`    // daily, monthly
	Threshold     float64        `gorm:"type:decimal(12,2)" json:"threshold"`    // 阈值（元）
	Operator      string         `gorm:"size:8;default:>" json:"operator"`       // >, >=, <, <=
	Enabled       bool           `gorm:"default:true" json:"enabled"`
	LastTriggered *time.Time     `json:"last_triggered"`
	CreatedAt     time.Time      `json:"created_at"`
	UpdatedAt     time.Time      `json:"updated_at"`
}

func (BillingAlertRule) TableName() string {
	return "monitor_billing_alert_rules"
}

// BillingStats 账单统计
type BillingStats struct {
	TodayCost    float64                 `json:"today_cost"`
	MonthCost    float64                 `json:"month_cost"`
	YearCost     float64                 `json:"year_cost"`
	YesterdayCost float64                `json:"yesterday_cost"`
	MonthTrend   []DailyCost             `json:"month_trend"`
	ProviderDist []ProviderCost          `json:"provider_dist"`
	Alerts       []BillingAlert          `json:"alerts"`
}

// DailyCost 每日成本
type DailyCost struct {
	Date  string  `json:"date"`
	Cost  float64 `json:"cost"`
}

// ProviderCost 厂商成本分布
type ProviderCost struct {
	Provider string  `json:"provider"`
	Cost     float64 `json:"cost"`
	Percent  float64 `json:"percent"`
}

// BillingAlert 账单预警
type BillingAlert struct {
	RuleID    uint    `json:"rule_id"`
	RuleName  string  `json:"rule_name"`
	Provider  string  `json:"provider"`
	Current   float64 `json:"current"`
	Threshold float64 `json:"threshold"`
	Metric    string  `json:"metric"`
	Operator  string  `json:"operator"`
}

// CreateBillingRequest 创建账单记录请求
type CreateBillingRequest struct {
	CloudAccountID *uint  `json:"cloud_account_id"`
	AccountName    string `json:"account_name"`
	Provider       string `json:"provider" binding:"required"`
	BillingDate    string `json:"billing_date" binding:"required"`
	Cost           float64 `json:"cost" binding:"required"`
	Currency       string `json:"currency"`
	Service        string `json:"service"`
	Region         string `json:"region"`
	Description    string `json:"description"`
}

// CreateBillingAlertRequest 创建预警规则请求
type CreateBillingAlertRequest struct {
	Name           string  `json:"name" binding:"required"`
	Provider       string  `json:"provider"`
	CloudAccountID *uint   `json:"cloud_account_id"`
	Metric         string  `json:"metric"`
	Threshold      float64 `json:"threshold" binding:"required"`
	Operator       string  `json:"operator"`
	Enabled        bool    `json:"enabled"`
}