package models

// Product represents a product in the database
type Product struct {
	SKU            string  `json:"sku"`
	Name           string  `json:"name"`
	HSNCode        string  `json:"hsn_code"`
	BasePrice      float64 `json:"base_price"`
	WholesalePrice float64 `json:"wholesale_price"`
	GSTRate        float64 `json:"gst_rate"`
	SmallOrderQty  int     `json:"small_order_qty"`
	SmallOrderFee  float64 `json:"small_order_fee"` // Convenience fee for orders below SmallOrderQty
	Unit           string  `json:"unit"`            // Unit of measurement (e.g., "pcs", "kg", "box")
	UserID         string  `json:"user_id"`
	CreatedAt      string  `json:"created_at"`
}

// Invoice represents a stored invoice
type Invoice struct {
	ID              string `json:"id"`                // UUID
	HumanReadableID string `json:"human_readable_id"` // Formatted ID like INV/12-2025/001
	Data            string `json:"data"`              // JSON blob of invoice details
	UserID          string `json:"user_id"`
	CreatedAt       string `json:"created_at"`
}

// User represents an authenticated user
type User struct {
	ID             string `json:"id"`
	Email          string `json:"email"`
	Password       string `json:"-"`
	CompanyDetails string `json:"company_details"` // Multiline company details for invoice header
	BankDetails    string `json:"bank_details"`    // Multiline bank details for invoice footer
	InvoicePrefix  string `json:"invoice_prefix"`  // Prefix for invoice IDs (e.g., INV, BILL)
	InvoiceCounter int    `json:"invoice_counter"` // Auto-incrementing counter for invoice serial numbers
	CreatedAt      string `json:"created_at"`
}

// BuyerDetails represents a buyer/customer for invoices
type BuyerDetails struct {
	ID        string `json:"id"`
	UserID    string `json:"user_id"`
	Name      string `json:"name"`    // Display name for selection
	Details   string `json:"details"` // Multiline buyer details
	CreatedAt string `json:"created_at"`
}