package main

import (
	"net/http"
	"testing"

	"github.com/xanzy/go-gitlab"
	mock_main "gitlab.com/harrisoncramer/gitlab.nvim/cmd/mocks"
)

func TestInfoHandler(t *testing.T) {
	t.Run("Returns normal information", func(t *testing.T) {
		client := mock_main.NewMockClient(t)
		mock_main.WithMr(t, client)
		client.EXPECT().GetMergeRequest("", mock_main.MergeId, &gitlab.GetMergeRequestsOptions{}).Return(&gitlab.MergeRequest{}, makeResponse(http.StatusOK), nil)

		server, _ := CreateRouterAndApi(client)
		request := makeRequest(t, http.MethodGet, "/mr/info", nil)
		data := serveRequest(t, server, request, InfoResponse{})

		assert(t, data.SuccessResponse.Message, "Merge requests retrieved")
		assert(t, data.SuccessResponse.Status, http.StatusOK)
	})

	t.Run("Disallows non-GET method", func(t *testing.T) {
		client := mock_main.NewMockClient(t)
		mock_main.WithMr(t, client)

		server, _ := CreateRouterAndApi(client)
		request := makeRequest(t, http.MethodPost, "/mr/info", nil)

		data := serveRequest(t, server, request, ErrorResponse{})
		checkBadMethod(t, *data, http.MethodGet)
	})

	t.Run("Handles errors from Gitlab client", func(t *testing.T) {
		client := mock_main.NewMockClient(t)
		mock_main.WithMr(t, client)
		client.EXPECT().GetMergeRequest("", mock_main.MergeId, &gitlab.GetMergeRequestsOptions{}).Return(nil, nil, errorFromGitlab)

		server, _ := CreateRouterAndApi(client)
		request := makeRequest(t, http.MethodGet, "/mr/info", nil)

		data := serveRequest(t, server, request, ErrorResponse{})
		checkErrorFromGitlab(t, *data, "Could not get project info")
	})

	t.Run("Handles non-200s from Gitlab client", func(t *testing.T) {
		client := mock_main.NewMockClient(t)
		mock_main.WithMr(t, client)
		client.EXPECT().GetMergeRequest("", mock_main.MergeId, &gitlab.GetMergeRequestsOptions{}).Return(nil, makeResponse(http.StatusSeeOther), nil)

		server, _ := CreateRouterAndApi(client)
		request := makeRequest(t, http.MethodGet, "/mr/info", nil)

		data := serveRequest(t, server, request, ErrorResponse{})
		checkNon200(t, *data, "Could not get project info", "/mr/info")
	})
}