using UnityEngine;
using UnityEngine.UI;
using System.Collections;
using System.Collections.Generic;
using System.Linq;

public class CharacterPanel : MonoBehaviour {

	public GameObject character;
	public Transform weaponsPanel;
	public Transform actionsPanel;
	public Transform camerasPanel;
	public Button buttonPrefab;
	public Slider motionSpeed;

	Actions actions;
	PlayerController controller;
	Camera[] cameras;

	void Start () {
		Initialize ();
	}

	void Initialize () {
		actions = character.GetComponent<Actions> ();
		controller = character.GetComponent<PlayerController> ();

		foreach (PlayerController.Arsenal a in controller.arsenal)
			CreateWeaponButton(a.name);

		CreateActionButton("Stay");
		CreateActionButton("Walk");
		CreateActionButton("Run");
		CreateActionButton("Sitting");
		CreateActionButton("Jump"); 
		CreateActionButton("Aiming");
		CreateActionButton("Attack");
		CreateActionButton("Damage");
		CreateActionButton("Death Reset", "Death");

		cameras = GameObject.FindObjectsOfType<Camera> ();
		var sort = from s in cameras orderby s.name select s;

		foreach (Camera c in sort)
			CreateCameraButton(c);

		camerasPanel.GetChild (0).GetComponent<Button>().onClick.Invoke();
	}

	void CreateWeaponButton(string name) {
		Button button = CreateButton (name, weaponsPanel);
		button.onClick.AddListener(() => controller.SetArsenal(name));
	}

	void CreateActionButton(string name) {
		CreateActionButton(name, name);
	}

	void CreateActionButton(string name, string message) {
		Button button = CreateButton (name, actionsPanel);
		button.onClick.AddListener(() => actions.SendMessage(message, SendMessageOptions.DontRequireReceiver));
	}

	void CreateCameraButton (Camera c) {
		Button button = CreateButton (c.name, camerasPanel);
		button.onClick.AddListener(() => {
			ShowCamera(c);
		});
	}

	Button CreateButton(string name, Transform group) {
		GameObject obj = (GameObject) Instantiate (buttonPrefab.gameObject);
		obj.name = name;
		obj.transform.SetParent(group);
		obj.transform.localScale = Vector3.one;
		Text text = obj.transform.GetChild (0).GetComponent<Text> ();
		text.text = name;
		return obj.GetComponent<Button> ();
	}

	void ShowCamera (Camera cam) {
		foreach (Camera c in cameras)
			c.gameObject.SetActive(c == cam);
	}

	void Update() {
		Time.timeScale = motionSpeed.value;
	}

	public void OpenPublisherPage() {
		Application.OpenURL ("https://www.assetstore.unity3d.com/en/#!/publisher/11008");
	}
}