/* Copyright 2025 Dnote Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package presenters

import (
	"testing"
	"time"

	"github.com/dnote/dnote/pkg/assert"
	"github.com/dnote/dnote/pkg/server/database"
)

func TestPresentNote(t *testing.T) {
	createdAt := time.Date(2025, 1, 15, 10, 30, 45, 123456789, time.UTC)
	updatedAt := time.Date(2025, 2, 20, 14, 45, 30, 987654321, time.UTC)

	input := database.Note{
		Model: database.Model{
			ID:        1,
			CreatedAt: createdAt,
			UpdatedAt: updatedAt,
		},
		UUID:     "a1b2c3d4-e5f6-4789-a012-3456789abcde",
		UserID:   42,
		BookUUID: "f1e2d3c4-b5a6-4987-b654-321fedcba098",
		Body:     "Test note content",
		AddedOn:  1234567890,
		USN:      100,
		Book: database.Book{
			UUID:  "f1e2d3c4-b5a6-4987-b654-321fedcba098",
			Label: "JavaScript",
		},
		User: database.User{
			UUID: "9a8b7c6d-5e4f-4321-9876-543210fedcba",
		},
	}

	got := PresentNote(input)

	assert.Equal(t, got.UUID, "a1b2c3d4-e5f6-4789-a012-3456789abcde", "UUID mismatch")
	assert.Equal(t, got.Body, "Test note content", "Body mismatch")
	assert.Equal(t, got.AddedOn, int64(1234567890), "AddedOn mismatch")
	assert.Equal(t, got.USN, 100, "USN mismatch")
	assert.Equal(t, got.CreatedAt, FormatTS(createdAt), "CreatedAt mismatch")
	assert.Equal(t, got.UpdatedAt, FormatTS(updatedAt), "UpdatedAt mismatch")
	assert.Equal(t, got.Book.UUID, "f1e2d3c4-b5a6-4987-b654-321fedcba098", "Book UUID mismatch")
	assert.Equal(t, got.Book.Label, "JavaScript", "Book Label mismatch")
	assert.Equal(t, got.User.UUID, "9a8b7c6d-5e4f-4321-9876-543210fedcba", "User UUID mismatch")
}

func TestPresentNotes(t *testing.T) {
	createdAt1 := time.Date(2025, 1, 1, 0, 0, 0, 0, time.UTC)
	updatedAt1 := time.Date(2025, 1, 2, 0, 0, 0, 0, time.UTC)
	createdAt2 := time.Date(2025, 2, 1, 0, 0, 0, 0, time.UTC)
	updatedAt2 := time.Date(2025, 2, 2, 0, 0, 0, 0, time.UTC)

	input := []database.Note{
		{
			Model: database.Model{
				ID:        1,
				CreatedAt: createdAt1,
				UpdatedAt: updatedAt1,
			},
			UUID:     "a1b2c3d4-e5f6-4789-a012-3456789abcde",
			UserID:   1,
			BookUUID: "f1e2d3c4-b5a6-4987-b654-321fedcba098",
			Body:     "First note",
			AddedOn:  1000000000,
			USN:      10,
			Book: database.Book{
				UUID:  "f1e2d3c4-b5a6-4987-b654-321fedcba098",
				Label: "Go",
			},
			User: database.User{
				UUID: "9a8b7c6d-5e4f-4321-9876-543210fedcba",
			},
		},
		{
			Model: database.Model{
				ID:        2,
				CreatedAt: createdAt2,
				UpdatedAt: updatedAt2,
			},
			UUID:     "12345678-90ab-4cde-8901-234567890abc",
			UserID:   1,
			BookUUID: "abcdef01-2345-4678-9abc-def012345678",
			Body:     "Second note",
			AddedOn:  2000000000,
			USN:      20,
			Book: database.Book{
				UUID:  "abcdef01-2345-4678-9abc-def012345678",
				Label: "Python",
			},
			User: database.User{
				UUID: "9a8b7c6d-5e4f-4321-9876-543210fedcba",
			},
		},
	}

	got := PresentNotes(input)

	assert.Equal(t, len(got), 2, "Length mismatch")
	assert.Equal(t, got[0].UUID, "a1b2c3d4-e5f6-4789-a012-3456789abcde", "Note 0 UUID mismatch")
	assert.Equal(t, got[0].Body, "First note", "Note 0 Body mismatch")
	assert.Equal(t, got[1].UUID, "12345678-90ab-4cde-8901-234567890abc", "Note 1 UUID mismatch")
	assert.Equal(t, got[1].Body, "Second note", "Note 1 Body mismatch")
}