package main

import (
	"encoding/json"
	"fmt"
	"io"
	"net/http"

	tea "github.com/charmbracelet/bubbletea"
)

const backendURL = "https://nas.arinera.fun:3001"

type StepResponse struct {
	Actions []Action `json:"actions"`
}

type Action struct {
	Type    string   `json:"type"`
	Path    string   `json:"path"`
	NewPath string   `json:"new_path,omitempty"`
	Unzip   bool     `json:"unzip,omitempty"`
	URL     string   `json:"url,omitempty"`
	Mirrors []string `json:"mirrors,omitempty"`
	IsDir   bool     `json:"is_dir,omitempty"`
}

type actionsReceivedMsg struct{ actions []Action }
type apiErrorMsg struct{ err error }

func fetchActions(code string) tea.Cmd {
	return func() tea.Msg {
		url := fmt.Sprintf("%s/tools?code=%s", backendURL, code)
		resp, err := http.Get(url)
		if err != nil {
			return apiErrorMsg{err: fmt.Errorf("request failed: %w", err)}
		}
		defer resp.Body.Close()

		if resp.StatusCode != http.StatusOK {
			body, _ := io.ReadAll(resp.Body)
			return apiErrorMsg{err: fmt.Errorf("server returned %d: %s", resp.StatusCode, string(body))}
		}

		var step StepResponse
		if err := json.NewDecoder(resp.Body).Decode(&step); err != nil {
			return apiErrorMsg{err: fmt.Errorf("decode failed: %w", err)}
		}
		return actionsReceivedMsg{actions: step.Actions}
	}
}