package entities

import (
	"time"

	"github.com/google/uuid"
)

// PaymentMethodAnalytics represents payment method analytics data
type PaymentMethodAnalytics struct {
	PaymentMethodID   uuid.UUID `json:"payment_method_id"`
	PaymentMethodName string    `json:"payment_method_name"`
	PaymentMethodType string    `json:"payment_method_type"`
	TotalAmount       float64   `json:"total_amount"`
	OrderCount        int64     `json:"order_count"`
	PaymentCount      int64     `json:"payment_count"`
}

// SalesAnalytics represents sales analytics data
type SalesAnalytics struct {
	Date     time.Time `json:"date"`
	Sales    float64   `json:"sales"`
	Orders   int64     `json:"orders"`
	Items    int64     `json:"items"`
	Tax      float64   `json:"tax"`
	Discount float64   `json:"discount"`
	NetSales float64   `json:"net_sales"`
}

// PurchasingAnalytics represents purchasing analytics data
type PurchasingAnalytics struct {
	OutletName     *string                    `json:"outlet_name,omitempty"`
	Summary        PurchasingSummary          `json:"summary"`
	Data           []PurchasingAnalyticsData  `json:"data"`
	IngredientData []PurchasingIngredientData `json:"ingredient_data"`
	VendorData     []PurchasingVendorData     `json:"vendor_data"`
}

type PurchasingSummary struct {
	TotalPurchases            float64 `json:"total_purchases"`
	TotalPurchaseOrders       int64   `json:"total_purchase_orders"`
	TotalQuantity             float64 `json:"total_quantity"`
	AveragePurchaseOrderValue float64 `json:"average_purchase_order_value"`
	TotalIngredients          int64   `json:"total_ingredients"`
	TotalVendors              int64   `json:"total_vendors"`
}

type PurchasingAnalyticsData struct {
	Date           time.Time `json:"date"`
	Purchases      float64   `json:"purchases"`
	PurchaseOrders int64     `json:"purchase_orders"`
	Quantity       float64   `json:"quantity"`
	Ingredients    int64     `json:"ingredients"`
	Vendors        int64     `json:"vendors"`
}

type PurchasingIngredientData struct {
	IngredientID       uuid.UUID `json:"ingredient_id"`
	IngredientName     string    `json:"ingredient_name"`
	Quantity           float64   `json:"quantity"`
	TotalCost          float64   `json:"total_cost"`
	AverageUnitCost    float64   `json:"average_unit_cost"`
	PurchaseOrderCount int64     `json:"purchase_order_count"`
}

type PurchasingVendorData struct {
	VendorID           uuid.UUID `json:"vendor_id"`
	VendorName         string    `json:"vendor_name"`
	TotalCost          float64   `json:"total_cost"`
	PurchaseOrderCount int64     `json:"purchase_order_count"`
	IngredientCount    int64     `json:"ingredient_count"`
	Quantity           float64   `json:"quantity"`
}

type ProductAnalytics struct {
	ProductID               uuid.UUID `json:"product_id"`
	ProductName             string    `json:"product_name"`
	ProductSku              string    `json:"product_sku"`
	CategoryID              uuid.UUID `json:"category_id"`
	CategoryName            string    `json:"category_name"`
	CategoryOrder           int       `json:"category_order"`
	QuantitySold            int64     `json:"quantity_sold"`
	Revenue                 float64   `json:"revenue"`
	AveragePrice            float64   `json:"average_price"`
	OrderCount              int64     `json:"order_count"`
	StandardHppPerUnit      float64   `json:"standard_hpp_per_unit"`
	StandardHppTotal        float64   `json:"standard_hpp_total"`
	FifoHppPerUnit          float64   `json:"fifo_hpp_per_unit"`
	FifoHppTotal            float64   `json:"fifo_hpp_total"`
	MovingAverageHppPerUnit float64   `json:"moving_average_hpp_per_unit"`
	MovingAverageHppTotal   float64   `json:"moving_average_hpp_total"`
}

type ProductAnalyticsPerCategory struct {
	CategoryID            uuid.UUID `json:"category_id"`
	CategoryName          string    `json:"category_name"`
	TotalRevenue          float64   `json:"total_revenue"`
	TotalQuantity         int64     `json:"total_quantity"`
	ProductCount          int64     `json:"product_count"`
	OrderCount            int64     `json:"order_count"`
	TotalStandardHpp      float64   `json:"total_standard_hpp"`
	TotalFifoHpp          float64   `json:"total_fifo_hpp"`
	TotalMovingAverageHpp float64   `json:"total_moving_average_hpp"`
}

// DashboardOverview represents dashboard overview data
type DashboardOverview struct {
	TotalSales        float64 `json:"total_sales"`
	TotalOrders       int64   `json:"total_orders"`
	AverageOrderValue float64 `json:"average_order_value"`
	TotalCustomers    int64   `json:"total_customers"`
	VoidedOrders      int64   `json:"voided_orders"`
	RefundedOrders    int64   `json:"refunded_orders"`
}

type ProfitLossAnalytics struct {
	TodayRevenue            float64
	TodayCost               float64
	MtdRevenue              float64
	MtdCost                 float64
	TodayExpenseByCategory  []ExpenseCategoryTotal
	MtdExpenseByCategory    []ExpenseCategoryTotal
	OperationalExpenseItems []OperationalExpenseItem
}

type ExpenseCategoryTotal struct {
	CategoryName string
	Amount       float64
}

type OperationalExpenseItem struct {
	Item   string
	Amount float64
}