package main

import (
	"bytes"
	"html/template"
	"log"
	"os"
)

const invoiceTemplate = "assets/html/invoice.html"

func main() {
	// Define the invoice data structure
	type Invoice struct {
		Host struct {
			Name    string
			Address string
			ZipCode string
			City    string
			Phone   string
			Email   string
		}
		Name            string
		PhoneNumber     string
		CustomersNumber int
		Platform        string
		ID              string
		From            string
		To              string
		Total           string
		AmountPaid      string
		BalanceDue      string
		Lines           []struct {
			Name     string
			Quantity int
			Price    string
			Total    string
		}
		Payments []struct {
			Date   string
			Method string
			Amount string
		}
	}

	// Read the template file
	tmpl, err := template.ParseFiles(invoiceTemplate)
	if err != nil {
		log.Fatalf("Error parsing template: %v", err)
	}

	// Create sample invoice data
	invoice := Invoice{
		Host: struct {
			Name    string
			Address string
			ZipCode string
			City    string
			Phone   string
			Email   string
		}{
			Name:    "VillaFleurie",
			Address: "4 rue Gerty Archimede",
			ZipCode: "97190",
			City:    "Le Gosier",
			Phone:   "+590 690 44 15 30",
			Email:   "location.villafleurie@gmail.com",
		},
		Name: "Michel Le Corre",
		//PhoneNumber:     "+590 690 44 15 30",
		CustomersNumber: 2,
		Platform:        "Privée",
		ID:              "VFNI0332",
		From:            "15 Janvier 2025",
		To:              "15 Mars 2025",
		Total:           "2065.00 €",
		AmountPaid:      "1565.00 €",
		BalanceDue:      "500.00 €",
		Lines: []struct {
			Name     string
			Quantity int
			Price    string
			Total    string
		}{
			{
				Name:     "T2",
				Quantity: 59,
				Price:    "35.00",
				Total:    "2065.00",
			},
		},
		Payments: []struct {
			Date   string
			Method string
			Amount string
		}{
			{
				"–",
				"Espèces",
				"500.00",
			},
			{
				"–",
				"Chèque",
				"1065.00",
			},
		},
	}

	// Create a buffer to store the rendered HTML
	var buf bytes.Buffer
	// Execute the template with the invoice data
	if err := tmpl.Execute(&buf, invoice); err != nil {
		log.Fatalf("Error executing template: %v", err)
	}

	// Write the rendered HTML to a file
	outputPath := "output.html"
	if err := os.WriteFile(outputPath, buf.Bytes(), 0644); err != nil {
		log.Fatalf("Error writing HTML file: %v", err)
	}

	log.Printf("HTML file created successfully: %s", outputPath)
}