package common

import (
	"context"
	"net/http"
	"net/http/httptest"
	"testing"
	"time"
)

func TestJiraClient_GetProjectAndIssueInfo(t *testing.T) {
	t.Helper()

	mux := http.NewServeMux()

	mux.HandleFunc("/rest/api/2/project/OPMS", func(w http.ResponseWriter, r *http.Request) {
		if r.Method != http.MethodGet {
			t.Fatalf("unexpected method for project endpoint: %s", r.Method)
		}
		w.Header().Set("Content-Type", "application/json")
		_, _ = w.Write([]byte(`{"id":"10001","key":"OPMS","name":"OPMS Project"}`))
	})

	mux.HandleFunc("/rest/api/2/issue/OPMS-123", func(w http.ResponseWriter, r *http.Request) {
		if r.Method != http.MethodGet {
			t.Fatalf("unexpected method for issue endpoint: %s", r.Method)
		}
		if got := r.URL.Query().Get("fields"); got != "summary,description" {
			t.Fatalf("unexpected fields query, got=%q", got)
		}
		w.Header().Set("Content-Type", "application/json")
		_, _ = w.Write([]byte(`{
			"id":"20001",
			"key":"OPMS-123",
			"fields":{
				"summary":"测试任务",
				"description":"测试任务描述"
			}
		}`))
	})

	server := httptest.NewServer(mux)
	defer server.Close()

	client, err := NewJiraClient(JiraClientConfig{
		BaseURL:  server.URL,
		AuthType: JiraAuthTypeBasic,
		Username: "tester",
		Password: "tester_password",
		Timeout:  5 * time.Second,
	})
	if err != nil {
		t.Fatalf("NewJiraClient() error = %v", err)
	}

	ctx := context.Background()

	project, _, err := client.RawClient().Project.GetWithContext(ctx, "OPMS")
	if err != nil {
		t.Fatalf("Project.GetWithContext() error = %v", err)
	}
	if project == nil {
		t.Fatal("project is nil")
	}
	if project.Key != "OPMS" || project.Name != "OPMS Project" {
		t.Fatalf("unexpected project, key=%q name=%q", project.Key, project.Name)
	}

	issue, err := client.GetIssue(ctx, "OPMS-123", "summary", "description")
	if err != nil {
		t.Fatalf("GetIssue() error = %v", err)
	}
	if issue == nil || issue.Fields == nil {
		t.Fatal("issue or issue.Fields is nil")
	}
	if issue.Key != "OPMS-123" {
		t.Fatalf("unexpected issue key: %q", issue.Key)
	}
	if issue.Fields.Summary != "测试任务" || issue.Fields.Description != "测试任务描述" {
		t.Fatalf("unexpected issue fields, summary=%q description=%q", issue.Fields.Summary, issue.Fields.Description)
	}
}

func TestJiraClient_GetIssue_EmptyIssueKey(t *testing.T) {
	client := &JiraClient{}
	_, err := client.GetIssue(context.Background(), "")
	if err == nil {
		t.Fatal("expected error when issueKey is empty, got nil")
	}
}