package tests

import (
	"testing"

	"repository.promas.id/prana/omnix-sopiga/domain"
	"repository.promas.id/prana/omnix-sopiga/transformer"
)

func TestBuildDynamicMessage_Ordered(t *testing.T) {
	tf := transformer.New()

	variables := []*domain.TemplateVariable{
		{VariableOrder: 1, VariableName: "Nama", VariableType: "string", FieldSource: "nasabah_nama", IsRequired: true},
		{VariableOrder: 2, VariableName: "TotalTagihan", VariableType: "integer", FieldSource: "nominal_tagihan", IsRequired: true},
		{VariableOrder: 3, VariableName: "TanggalJatuhTempo", VariableType: "date", FieldSource: "tanggal_tempo", IsRequired: true},
	}

	payload := map[string]any{
		"nasabah_nama":    "Budi Santoso",
		"nominal_tagihan": 1500000.0,
		"tanggal_tempo":   "2026-06-30",
	}

	message, err := tf.BuildDynamicMessage(variables, payload)
	if err != nil {
		t.Fatalf("expected no error, got %v", err)
	}

	want := "Budi Santoso#1500000#2026-06-30"
	if message != want {
		t.Fatalf("expected %q, got %q", want, message)
	}
}

func TestBuildDynamicMessage_MissingRequiredField(t *testing.T) {
	tf := transformer.New()

	variables := []*domain.TemplateVariable{
		{VariableOrder: 1, VariableName: "Nama", VariableType: "string", FieldSource: "nasabah_nama", IsRequired: true},
	}

	_, err := tf.BuildDynamicMessage(variables, map[string]any{})
	if err == nil {
		t.Fatal("expected error for missing required field, got nil")
	}
}