package postservicelogic

import (
	"app-cloudep-tweeting-service/gen_result/pb/tweeting"
	"app-cloudep-tweeting-service/internal/svc"
	"context"
	"errors"
	"testing"

	mocklib "app-cloudep-tweeting-service/internal/mock/lib"
	mockmodel "app-cloudep-tweeting-service/internal/mock/model"

	"github.com/stretchr/testify/assert"
	"go.uber.org/mock/gomock"
)

func TestCreatePost(t *testing.T) {
	ctrl := gomock.NewController(t)
	defer ctrl.Finish()

	// 初始化 mock 依賴
	mockPostModel := mockmodel.NewMockPostModel(ctrl)
	mockValidate := mocklib.NewMockValidate(ctrl)

	// 初始化服務上下文
	svcCtx := &svc.ServiceContext{
		PostModel: mockPostModel,
		Validate:  mockValidate,
	}

	// 測試數據集
	tests := []struct {
		name      string
		input     *tweeting.NewPostReq
		prepare   func()
		expectErr bool
	}{
		{
			name: "成功創建貼文",
			input: &tweeting.NewPostReq{
				Uid:     "12345",
				Content: "Test content",
				IsAd:    false,
				Tags:    []string{"tag1", "tag2"},
				Media: []*tweeting.Media{
					{
						Url:  "http://example.com/image.png",
						Type: "image",
					},
				},
			},
			prepare: func() {
				mockValidate.EXPECT().ValidateAll(gomock.Any()).Return(nil).Times(1)
				mockPostModel.EXPECT().Insert(gomock.Any(), gomock.Any()).Return(nil).Times(1)
			},
			expectErr: false,
		},
		{
			name: "驗證失敗",
			input: &tweeting.NewPostReq{
				Uid:     "",
				Content: "",
			},
			prepare: func() {
				mockValidate.EXPECT().ValidateAll(gomock.Any()).Return(errors.New("validation failed")).Times(1)
			},
			expectErr: true,
		},
		{
			name: "插入貼文失敗",
			input: &tweeting.NewPostReq{
				Uid:     "12345",
				Content: "Test content",
				IsAd:    false,
			},
			prepare: func() {
				mockValidate.EXPECT().ValidateAll(gomock.Any()).Return(nil).Times(1)
				mockPostModel.EXPECT().Insert(gomock.Any(), gomock.Any()).Return(errors.New("insert failed")).Times(1)
			},
			expectErr: true,
		},
	}

	// 執行測試
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			// 設置測試環境
			tt.prepare()

			// 初始化 CreatePostLogic
			logic := CreatePostLogic{
				svcCtx: svcCtx,
				ctx:    context.TODO(),
			}

			// 執行 CreatePost
			_, err := logic.CreatePost(tt.input)

			// 驗證結果
			if tt.expectErr {
				assert.Error(t, err)
			} else {
				assert.NoError(t, err)
			}
		})
	}
}