package dto

// === BASE METRICS ===
type FinancialMetrics struct {
	RpPerBird float64 `json:"rp_per_bird"`
	RpPerKg   float64 `json:"rp_per_kg"`
	Amount    float64 `json:"amount"`
}

type Comparison struct {
	Budgeting   FinancialMetrics `json:"budgeting"`
	Realization FinancialMetrics `json:"realization"`
}

// === HPP PURCHASES PACKAGE ===
type HppItem struct {
	Type string `json:"type"`
	Comparison
}

type HppGroup struct {
	GroupName string    `json:"group_name"`
	Data      []HppItem `json:"data"`
}

type SummaryHpp struct {
	Label string `json:"label"`
	Comparison
}

// Ini adalah struct mandiri untuk bagian HPP Purchases
type HppPurchasesSection struct {
	Title      string     `json:"title"`
	Hpp        []HppGroup `json:"hpp"`
	SummaryHpp SummaryHpp `json:"summary_hpp"`
}

// === PROFIT LOSS PACKAGE ===
type PLItem struct {
	Type string `json:"type"`
	FinancialMetrics
}

type PLSummaryItem struct {
	Label string `json:"label"`
	FinancialMetrics
}

type PLSummaryGroup struct {
	GrossProfit PLSummaryItem `json:"gross_profit"`
	SubTotal    PLSummaryItem `json:"sub_total"`
	NetProfit   PLSummaryItem `json:"net_profit"`
}

type ProfitLossData struct {
	Penjualan []PLItem       `json:"penjualan"`
	Pembelian []PLItem       `json:"pembelian"`
	Summary   PLSummaryGroup `json:"summary"`
}

// Ini adalah struct mandiri untuk bagian Profit Loss
type ProfitLossSection struct {
	Title string         `json:"title"`
	Data  ProfitLossData `json:"data"`
}

// === RESPONSE DTO (ROOT) ===
// Sekarang Root-nya terlihat sangat bersih dan tidak "janggal" lagi
type ReportResponse struct {
	HppPurchases HppPurchasesSection `json:"hpp_purchases"`
	ProfitLoss   ProfitLossSection   `json:"profit_loss"`
}

// === MAPPER FUNCTIONS ===

// FinancialMetrics Mappers
func ToFinancialMetrics(rpPerBird, rpPerKg, amount float64) FinancialMetrics {
	return FinancialMetrics{
		RpPerBird: rpPerBird,
		RpPerKg:   rpPerKg,
		Amount:    amount,
	}
}

// Comparison Mappers
func ToComparison(budgeting, realization FinancialMetrics) Comparison {
	return Comparison{
		Budgeting:   budgeting,
		Realization: realization,
	}
}

// HppItem Mappers
func ToHppItem(itemType string, comparison Comparison) HppItem {
	return HppItem{
		Type:       itemType,
		Comparison: comparison,
	}
}

// HppGroup Mappers
func ToHppGroup(groupName string, items []HppItem) HppGroup {
	return HppGroup{
		GroupName: groupName,
		Data:      items,
	}
}

// SummaryHpp Mappers
func ToSummaryHpp(label string, comparison Comparison) SummaryHpp {
	return SummaryHpp{
		Label:      label,
		Comparison: comparison,
	}
}

// HppPurchasesSection Mappers
func ToHppPurchasesSection(title string, hppGroups []HppGroup, summaryHpp SummaryHpp) HppPurchasesSection {
	return HppPurchasesSection{
		Title:      title,
		Hpp:        hppGroups,
		SummaryHpp: summaryHpp,
	}
}

// PLItem Mappers
func ToPLItem(itemType string, metrics FinancialMetrics) PLItem {
	return PLItem{
		Type:             itemType,
		FinancialMetrics: metrics,
	}
}

// PLSummaryItem Mappers
func ToPLSummaryItem(label string, metrics FinancialMetrics) PLSummaryItem {
	return PLSummaryItem{
		Label:            label,
		FinancialMetrics: metrics,
	}
}

// PLSummaryGroup Mappers
func ToPLSummaryGroup(grossProfit, subTotal, netProfit PLSummaryItem) PLSummaryGroup {
	return PLSummaryGroup{
		GrossProfit: grossProfit,
		SubTotal:    subTotal,
		NetProfit:   netProfit,
	}
}

// ProfitLossData Mappers
func ToProfitLossData(penjualan, pembelian []PLItem, summary PLSummaryGroup) ProfitLossData {
	return ProfitLossData{
		Penjualan: penjualan,
		Pembelian: pembelian,
		Summary:   summary,
	}
}

// ProfitLossSection Mappers
func ToProfitLossSection(title string, data ProfitLossData) ProfitLossSection {
	return ProfitLossSection{
		Title: title,
		Data:  data,
	}
}

// ReportResponse Mappers
func ToReportResponse(hppPurchases HppPurchasesSection, profitLoss ProfitLossSection) ReportResponse {
	return ReportResponse{
		HppPurchases: hppPurchases,
		ProfitLoss:   profitLoss,
	}
}

// Helper function to create a complete financial report
func BuildFinancialReport(
	hppGroups []HppGroup,
	summaryHpp SummaryHpp,
	penjualan, pembelian []PLItem,
	plSummary PLSummaryGroup,
) ReportResponse {
	hppSection := ToHppPurchasesSection("HPP Pembelian", hppGroups, summaryHpp)
	plSection := ToProfitLossSection("Laporan Laba Rugi", ToProfitLossData(penjualan, pembelian, plSummary))
	return ToReportResponse(hppSection, plSection)
}