// Copyright (c) 2026 Probo Inc <hello@probo.com>.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

package drivers

import (
	"context"
	"strings"
	"testing"
)

func TestCSVDriverRequiresEmailHeader(t *testing.T) {
	t.Parallel()

	driver := NewCSVDriver(strings.NewReader("full_name,role\nJane Doe,Admin\n"))

	_, err := driver.ListAccounts(context.Background())
	if err == nil {
		t.Fatalf("expected error when email header is missing")
	}
}

func TestCSVDriverParsesRequiredAndOptionalColumns(t *testing.T) {
	t.Parallel()

	driver := NewCSVDriver(strings.NewReader(
		"email,full_name,role,external_id\njane@example.com,Jane Doe,Admin,42\n",
	))

	records, err := driver.ListAccounts(context.Background())
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	if len(records) != 1 {
		t.Fatalf("expected 1 record, got %d", len(records))
	}

	if records[0].Email != "jane@example.com" {
		t.Fatalf("unexpected email: %s", records[0].Email)
	}

	if records[0].ExternalID != "42" {
		t.Fatalf("unexpected external id: %s", records[0].ExternalID)
	}
}