package tasks

import (
	"net/http"

	"github.com/ansible-semaphore/semaphore/api/helpers"
	"github.com/ansible-semaphore/semaphore/db"
	task2 "github.com/ansible-semaphore/semaphore/services/tasks"
	"github.com/gorilla/context"
)

func TaskMiddleware(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		taskID, err := helpers.GetStrParam("task_id", w, r)
		if err != nil {
			helpers.WriteErrorStatus(w, err.Error(), http.StatusBadRequest)
		}

		context.Set(r, "task_id", taskID)
		next.ServeHTTP(w, r)
	})
}

type taskRes struct {
	TaskID     int    `json:"task_id"`
	UserID     *int   `json:"user_id,omitempty"`
	TemplateID int    `json:"template_id"`
	Username   string `json:"username"`
	RunnerID   *int   `json:"runner_id,omitempty"`
	Status     string `json:"status"`
}

func GetTasks(w http.ResponseWriter, r *http.Request) {
	pool := context.Get(r, "task_pool").(*task2.TaskPool)

	var res struct {
		Queue   []taskRes `json:"queue"`
		Running []taskRes `json:"running"`
	}

	for _, task := range pool.Queue {
		res.Queue = append(res.Queue, taskRes{
			TaskID:     task.Task.ID,
			UserID:     task.Task.UserID,
			TemplateID: task.Task.TemplateID,
			Username:   task.Username,
		})
	}

	for _, task := range pool.RunningTasks {
		res.Running = append(res.Running, taskRes{
			TaskID:     task.Task.ID,
			UserID:     task.Task.UserID,
			TemplateID: task.Task.TemplateID,
			Username:   task.Username,
		})
	}

	helpers.WriteJSON(w, http.StatusOK, res)
}

func DeleteTask(w http.ResponseWriter, r *http.Request) {

	taskID := context.Get(r, "task_id").(string)

	pool := context.Get(r, "task_pool").(*task2.TaskPool)

	var task db.Task

	for _, t := range pool.Queue {
		if t.Task.ID == taskID {
			task = t.Task
			break
		}
	}

	pool.StopTask(task, false)
}