stripe

type CartLineItem struct {
	PriceID     string            `json:"priceId"`
	Resource    string            `json:"resource,omitempty"` // Optional: backend resource ID for indexing
	Quantity    int64             `json:"quantity"`
	Description string            `json:"description,omitempty"`
	Metadata    map[string]string `json:"metadata,omitempty"`
}

type CartService struct {
	// contains filtered or unexported fields
}

type Client struct {
	// contains filtered or unexported fields
}

type CouponRepository interface {
	IncrementUsage(ctx context.Context, code string) error
}

type CreateCartSessionRequest struct {
	Items          []CartLineItem    `json:"items"`
	CustomerEmail  string            `json:"customerEmail,omitempty"`
	Metadata       map[string]string `json:"metadata,omitempty"`
	SuccessURL     string            `json:"successUrl,omitempty"`
	CancelURL      string            `json:"cancelUrl,omitempty"`
	CouponCode     string            `json:"couponCode,omitempty"`     // NEW: Coupon code applied
	StripeCouponID string            `json:"stripeCouponId,omitempty"` // NEW: Optional Stripe coupon ID
	OriginalAmount int64             `json:"originalAmount,omitempty"` // NEW: Original total before discount
	DiscountAmount int64             `json:"discountAmount,omitempty"` // NEW: Total discount applied
}

type CreateSessionRequest struct {
	ResourceID     string
	AmountCents    int64
	Currency       string
	PriceID        string
	CustomerEmail  string
	Metadata       map[string]string
	SuccessURL     string
	CancelURL      string
	Description    string
	CouponCode     string // NEW: Coupon code applied (for metadata tracking)
	OriginalAmount int64  // NEW: Original price before discount (for metadata tracking)
	DiscountAmount int64  // NEW: Discount amount applied (for metadata tracking)
	StripeCouponID string // NEW: Optional Stripe coupon ID (if synced to Stripe)
}

type CreateSubscriptionRequest struct {
	ProductID     string
	PriceID       string // Stripe recurring price ID
	CustomerEmail string
	Metadata      map[string]string
	SuccessURL    string
	CancelURL     string
	TrialDays     int
}

type ProrationPreview struct {
	ProrationAmount int64     // Amount in smallest currency unit (cents for USD)
	Currency        string    // Currency code (e.g., "usd")
	EffectiveDate   time.Time // When the change would take effect
	InvoiceTotal    int64     // Total invoice amount after proration
}

type SubscriptionRepository interface {
	GetByStripeSubscriptionID(ctx context.Context, stripeSubID string) (subscriptions.Subscription, error)
	Create(ctx context.Context, sub subscriptions.Subscription) error
	Update(ctx context.Context, sub subscriptions.Subscription) error
	UpdateStatus(ctx context.Context, id string, status subscriptions.Status) error
	ExtendPeriod(ctx context.Context, id string, newStart, newEnd time.Time) error
}

type SubscriptionWebhookEvent struct {
	Type                 string
	StripeSubscriptionID string
	StripeCustomerID     string
	ProductID            string
	Status               string
	CurrentPeriodStart   time.Time
	CurrentPeriodEnd     time.Time
	CancelAtPeriodEnd    bool
	CancelledAt          *time.Time
	Metadata             map[string]string
	// Plan change fields
	PriceID         string // Current price ID
	BillingPeriod   string // e.g., "month", "year"
	BillingInterval int    // Interval count
}

type UpdateSubscriptionRequest struct {
	SubscriptionID    string
	NewPriceID        string // New price ID for plan change
	ProrationBehavior string // "create_prorations", "none", "always_invoice"
	Metadata          map[string]string
}

type UpdateSubscriptionResult struct {
	Subscription    *stripeapi.Subscription
	ProrationAmount int64 // Proration amount in cents (positive = charge, negative = credit)
	EffectiveDate   int64 // Unix timestamp of when change takes effect
}

type WebhookEvent struct {
	Type        string
	SessionID   string
	ResourceID  string
	Customer    string
	Metadata    map[string]string
	AmountTotal int64
	Currency    string
}