rentease/cmd/pdf/main.go

package main

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

	"github.com/rjNemo/rentease/internal/config"
	"github.com/rjNemo/rentease/internal/service/booking"
)

func main() {
	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
		}
	}
	// Assume these values come from your application's context.
	host := config.NewHost()

	booking := booking.Booking{
		Name:           "Michel Le Corre",
		PhoneNumber:    "+590 690 44 15 30",
		CustomerNumber: 2,
		Platform:       "Privée",
		From:           time.Date(2025, time.January, 15, 0, 0, 0, 0, time.UTC),
		To:             time.Date(2025, time.March, 15, 0, 0, 0, 0, time.UTC),
		Items: []booking.Item{
			{Item: "T2", Quantity: 59, Price: 35.00},
		},
	}

	// Get dynamic invoice data from the booking via Serialize.
	invoiceData := booking.Serialize(host)

	// Parse the HTML template.
	tmpl, err := template.ParseFiles("assets/html/invoice.html")
	if err != nil {
		log.Fatalf("Error parsing template: %v", err)
	}

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

	// Write the rendered HTML to an output 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)
}