package task_runner

import (
	"fmt"
	"git.sxidc.com/go-framework/baize"
	"git.sxidc.com/go-framework/baize/framework/binding"
	"git.sxidc.com/go-framework/baize/framework/core/api"
	"git.sxidc.com/go-framework/baize/framework/core/api/request"
	"git.sxidc.com/go-framework/baize/framework/core/api/response"
	"git.sxidc.com/go-framework/baize/framework/core/application"
	"git.sxidc.com/go-framework/baize/framework/core/domain"
	"git.sxidc.com/go-framework/baize/framework/core/infrastructure"
	"git.sxidc.com/go-framework/baize/framework/core/infrastructure/database/operations"
	"git.sxidc.com/go-tools/utils/strutils"
	"sync"
	"testing"
	"time"
)

// curl -X POST -H "Content-Type: application/json" -d '{"message": "World"}' "http://localhost:30001/test/api/v1/task/start"
// curl -X POST -H "Content-Type: application/json" -d '{"id": "0f89bc3ac6364280a535d86ce57a561b"}' "http://localhost:30001/test/api/v1/task/stop"
// curl -X GET "http://localhost:30001/test/api/task/get?group=test&pageNo=0&pageSize=0"

type StartTaskJsonBody struct {
	Message string `json:"message"`
}

type StopTaskJsonBody struct {
	ID string `json:"id"`
}

type TestRunner struct {
	doneChanMap      map[string]chan any
	doneChanMapMutex *sync.Mutex
}

func NewTestRunner() *TestRunner {
	return &TestRunner{
		doneChanMap:      make(map[string]chan any),
		doneChanMapMutex: new(sync.Mutex),
	}
}

func DestroyTestRunner(runner *TestRunner) {
	if runner == nil {
		return
	}

	runner.doneChanMapMutex.Lock()
	defer runner.doneChanMapMutex.Unlock()

	for taskID, doneChan := range runner.doneChanMap {
		doneChan <- nil
		close(doneChan)
		delete(runner.doneChanMap, taskID)
	}
}

func (runner *TestRunner) Run(taskID string, ctx map[string]any) (bool, error) {
	messageCtx, ok := ctx["message"]
	if !ok {
		return false, fmt.Errorf("message not found")
	}

	message := messageCtx.(string)

	doneChan := make(chan any)
	runner.doneChanMapMutex.Lock()
	runner.doneChanMap[taskID] = doneChan
	runner.doneChanMapMutex.Unlock()

	ticker := time.NewTicker(time.Second * 1)
	defer ticker.Stop()

	for {
		select {
		case <-ticker.C:
			fmt.Println("Hello " + message)
		case <-doneChan:
			return true, nil
		}
	}
}

func (runner *TestRunner) Restart(taskID string, ctx map[string]any) (bool, error) {
	messageCtx, ok := ctx["message"]
	if !ok {
		return false, fmt.Errorf("message not found")
	}

	message := messageCtx.(string)

	doneChan := make(chan any)
	runner.doneChanMapMutex.Lock()
	runner.doneChanMap[taskID] = doneChan
	runner.doneChanMapMutex.Unlock()

	ticker := time.NewTicker(time.Second * 1)
	defer ticker.Stop()

	for {
		select {
		case <-ticker.C:
			fmt.Println("Hello " + message)
		case <-doneChan:
			return true, nil
		}
	}
}

func (runner *TestRunner) Stop(taskID string, _ map[string]any) error {
	runner.doneChanMapMutex.Lock()

	doneChan, ok := runner.doneChanMap[taskID]
	if !ok {
		runner.doneChanMapMutex.Unlock()
		return fmt.Errorf("task not found")
	}

	doneChan <- nil
	delete(runner.doneChanMap, taskID)
	close(doneChan)
	doneChan = nil

	runner.doneChanMapMutex.Unlock()

	return nil
}

const (
	taskGroup = "test"
	dbSchema  = "test"
)

func TestTaskRunner(t *testing.T) {
	appInstance := baize.NewApplication(application.Config{
		ApiConfig: application.ApiConfig{
			UrlPrefix: "/test/api",
			Port:      "30001",
		},
		InfrastructureConfig: application.InfrastructureConfig{
			Database: infrastructure.DatabaseConfig{
				Operations: &operations.Config{
					UserName:           "test",
					Password:           "123456",
					Address:            "10.0.0.84",
					Port:               "30432",
					Database:           "test",
					MaxConnections:     20,
					MaxIdleConnections: 5,
				},
			},
		},
	})

	appInstance.Api().PrefixRouter().RegisterVersionedRouter("v1")

	runner := NewTestRunner()
	defer DestroyTestRunner(runner)

	err := RestartTask(runner, &RestartTaskParams{
		Group:      taskGroup,
		DBSchema:   dbSchema,
		DBExecutor: appInstance.Infrastructure().DBExecutor(),
	})
	if err != nil {
		t.Fatal(err)
	}

	Bind(appInstance, &Simple{
		Schema: dbSchema,
	})

	v1Binder := binding.NewBinder(appInstance.ChooseRouter(api.RouterPrefix, "v1"), appInstance.Infrastructure())

	binding.PostBind(v1Binder, &binding.SimpleBindItem[string]{
		Path:             "/task/start",
		SendResponseFunc: response.SendIDResponse,
		RequestParams:    &StartTaskJsonBody{},
		ServiceFunc: func(c *api.Context, params request.Params, objects []domain.Object, i *infrastructure.Infrastructure) (string, error) {
			jsonBody, err := request.ToConcrete[*StartTaskJsonBody](params)
			if err != nil {
				return "", err
			}

			taskID, err := RunTask(runner, &RunTaskParams{
				Group:      taskGroup,
				OperatorID: strutils.SimpleUUID(),
				Context: map[string]any{
					"message": jsonBody.Message,
				},
				DBSchema:   dbSchema,
				DBExecutor: i.DBExecutor(),
			})
			if err != nil {
				return "", err
			}

			return taskID, nil
		},
	})

	binding.PostBind(v1Binder, &binding.SimpleBindItem[any]{
		Path:             "/task/stop",
		SendResponseFunc: response.SendMsgResponse,
		RequestParams:    &StopTaskJsonBody{},
		ServiceFunc: func(c *api.Context, params request.Params, objects []domain.Object, i *infrastructure.Infrastructure) (any, error) {
			jsonBody, err := request.ToConcrete[*StopTaskJsonBody](params)
			if err != nil {
				return nil, err
			}

			err = StopTask(&StopTaskParams{
				ID:         jsonBody.ID,
				DBSchema:   dbSchema,
				DBExecutor: i.DBExecutor(),
			})
			if err != nil {
				return nil, err
			}

			return nil, nil
		},
	})

	err = appInstance.Start()
	if err != nil {
		t.Fatal(err)
	}

	defer func(appInstance *application.App) {
		err := appInstance.Finish()
		if err != nil {
			t.Fatal(err)
		}
	}(appInstance)
}