package model

import (
	"time"

	"gorm.io/gorm"
)

const (
	PaymentMerchantStatusDisabled = 0
	PaymentMerchantStatusEnabled  = 1

	PaymentMerchantStrategyAmount = "amount"
	PaymentMerchantStrategyCount  = "count"
	PaymentMerchantStrategyTime   = "time"
)

// PaymentMerchant 是实际收款商户，凭证只保存在受控字段。
type PaymentMerchant struct {
	gorm.Model
	BaseModel         `gorm:"embedded"`
	Name              string `gorm:"column:name" json:"name"`
	PaymentMethod     string `gorm:"column:payment_method" json:"payment_method"`
	ProviderType      string `gorm:"column:provider_type" json:"provider_type"`
	MerchantIdentity  string `gorm:"column:merchant_identity" json:"merchant_identity"`
	Credentials       JSONB  `gorm:"column:credentials;type:jsonb" json:"-"`
	CredentialVersion int64  `gorm:"column:credential_version" json:"credential_version"`
	Status            int    `gorm:"column:status" json:"status"`
	Remark            string `gorm:"column:remark" json:"remark"`
}

func (PaymentMerchant) TableName() string { return "tb_payment_merchant" }

// PaymentMerchantPool 是一种支付方式的商户轮询池。
type PaymentMerchantPool struct {
	gorm.Model
	BaseModel           `gorm:"embedded"`
	Name                string     `gorm:"column:name" json:"name"`
	PaymentMethod       string     `gorm:"column:payment_method" json:"payment_method"`
	Status              int        `gorm:"column:status" json:"status"`
	Strategy            string     `gorm:"column:strategy" json:"strategy"`
	ThresholdAmount     *int64     `gorm:"column:threshold_amount" json:"threshold_amount,omitempty"`
	ThresholdCount      *int64     `gorm:"column:threshold_count" json:"threshold_count,omitempty"`
	StatisticCycle      *string    `gorm:"column:statistic_cycle" json:"statistic_cycle,omitempty"`
	TimePeriodValue     *int64     `gorm:"column:time_period_value" json:"time_period_value,omitempty"`
	TimePeriodUnit      *string    `gorm:"column:time_period_unit" json:"time_period_unit,omitempty"`
	TimePeriodStartedAt *time.Time `gorm:"column:time_period_started_at" json:"time_period_started_at,omitempty"`
	RoutingEpoch        int64      `gorm:"column:routing_epoch" json:"routing_epoch"`
	Remark              string     `gorm:"column:remark" json:"remark"`
}

func (PaymentMerchantPool) TableName() string { return "tb_payment_merchant_pool" }

// PaymentMerchantPoolMember 是商户池内按顺序参与轮询的商户。
type PaymentMerchantPoolMember struct {
	gorm.Model
	BaseModel  `gorm:"embedded"`
	PoolID     uint  `gorm:"column:pool_id" json:"pool_id"`
	MerchantID uint  `gorm:"column:merchant_id" json:"merchant_id"`
	SortOrder  int64 `gorm:"column:sort_order" json:"sort_order"`
}

func (PaymentMerchantPoolMember) TableName() string { return "tb_payment_merchant_pool_member" }

// WechatAuthorization 是 C 端微信 OAuth、小程序与支付 AppID 的全局授权配置。
type WechatAuthorization struct {
	gorm.Model
	BaseModel          `gorm:"embedded"`
	OaAppID            string `gorm:"column:oa_app_id" json:"oa_app_id"`
	OaAppSecret        string `gorm:"column:oa_app_secret" json:"-"`
	OaToken            string `gorm:"column:oa_token" json:"-"`
	OaAesKey           string `gorm:"column:oa_aes_key" json:"-"`
	OaOAuthRedirectURL string `gorm:"column:oa_oauth_redirect_url" json:"oa_oauth_redirect_url"`
	MiniappAppID       string `gorm:"column:miniapp_app_id" json:"miniapp_app_id"`
	MiniappAppSecret   string `gorm:"column:miniapp_app_secret" json:"-"`
	CredentialVersion  int64  `gorm:"column:credential_version" json:"credential_version"`
	Status             int    `gorm:"column:status" json:"status"`
}

func (WechatAuthorization) TableName() string { return "tb_wechat_authorization" }

// PaymentMerchantRoutingSuccess 是支付首次成功的唯一统计事实。
type PaymentMerchantRoutingSuccess struct {
	ID           uint      `gorm:"column:id;primaryKey" json:"id"`
	PaymentID    uint      `gorm:"column:payment_id" json:"payment_id"`
	MerchantID   uint      `gorm:"column:merchant_id" json:"merchant_id"`
	PoolID       uint      `gorm:"column:pool_id" json:"pool_id"`
	RoutingEpoch int64     `gorm:"column:routing_epoch" json:"routing_epoch"`
	Amount       int64     `gorm:"column:amount" json:"amount"`
	PaidAt       time.Time `gorm:"column:paid_at" json:"paid_at"`
	CreatedAt    time.Time `gorm:"column:created_at" json:"created_at"`
}

func (PaymentMerchantRoutingSuccess) TableName() string { return "tb_payment_merchant_routing_success" }