package tasks

import (
	"fmt"
	"net/http"

	"github.com/gin-gonic/gin"
)

// Handler provides HTTP endpoints for task status
type Handler struct {
	manager *Manager
}

// NewHandler creates a new task handler
func NewHandler(manager *Manager) *Handler {
	return &Handler{
		manager: manager,
	}
}

// List returns all active and recent tasks
func (h *Handler) List(c *gin.Context) {
	tasks := h.manager.List()
	// Only log if there are running tasks (not completed/error)
	runningCount := 0
	for _, task := range tasks {
		if task.Status == TaskStatusRunning {
			runningCount++
		}
	}

	if runningCount > 0 {
		fmt.Printf("[TaskHandler] Returning %d task(s), %d running\n", len(tasks), runningCount)
		for _, task := range tasks {
			if task.Status == TaskStatusRunning {
				fmt.Printf("[TaskHandler]   - Task %s: type=%s, status=%s, progress=%d%%, message=%s\n",
					task.ID[:8], task.Type, task.Status, task.Progress, task.Message)
			}
		}
	}
	c.JSON(http.StatusOK, gin.H{"tasks": tasks})
}

// Get returns a single task by ID
func (h *Handler) Get(c *gin.Context) {
	taskID := c.Param("id")
	fmt.Printf("[TaskHandler] Get endpoint called for task %s\n", taskID)
	task, err := h.manager.Get(taskID)
	if err != nil {
		fmt.Printf("[TaskHandler] Task %s not found: %v\n", taskID, err)
		c.JSON(http.StatusNotFound, gin.H{"error": "task not found"})
		return
	}
	fmt.Printf("[TaskHandler] Returning task %s: status=%s, progress=%d%%, message=%s\n",
		taskID[:8], task.Status, task.Progress, task.Message)
	c.JSON(http.StatusOK, task)
}