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

public class DeviceCalibrateView : MonoBehaviour
{
    [SerializeField] Button btnGyrCalibrate;
    [SerializeField] Text progressGyrCalibrate;
    [SerializeField] Button btnMagCalibrate;
    [SerializeField] Button btnIdentityCalibrate;
    [SerializeField] Button btnBack;
    [SerializeField] Button btnNext;
    [SerializeField] Button btnFinish;

    public DeviceCalibrateItem deviceCalibrateItem = DeviceCalibrateItem.Guide;
    DeviceCalibrateItem[] deviceCalibrateItemForGuide = {
        DeviceCalibrateItem.Gyr,
        DeviceCalibrateItem.Mag
    };
    int guideIndex = 0;
    public bool guide = true;
    
    public static GameObject Create(DeviceCalibrateItem itemType = DeviceCalibrateItem.Guide) {
        GameObject o = GameObject.Instantiate(Resources.Load<GameObject>("Prefabs/Views/DeviceCalibrateView"));
        o.GetComponent<DeviceCalibrateView>().deviceCalibrateItem = itemType;
        o.GetComponent<DeviceCalibrateView>().guide = itemType == DeviceCalibrateItem.Guide;
        return o;
    }

    void Start()
    {
        BluetoothHolder.ins.ShowMagEllipse(this);
        btnGyrCalibrate.GetComponent<Button>().onClick.AddListener(ClickGyrCalibrate);
        btnMagCalibrate.GetComponent<Button>().onClick.AddListener(ClickMagCalibrate);
        btnIdentityCalibrate.GetComponent<Button>().onClick.AddListener(ClickIdentityCalibrate);
        btnBack.GetComponent<Button>().onClick.AddListener(delegate() {
            guideIndex--;
            RefreshPage();
        });
        btnNext.GetComponent<Button>().onClick.AddListener(delegate() {
            guideIndex++;
            RefreshPage();
        });
        btnFinish.GetComponent<Button>().onClick.AddListener(delegate() {
            Destroy(this.gameObject);
            if (guide && guideIndex == deviceCalibrateItemForGuide.Length - 1) {
                GameMgr.ins.FinishDeviceCalibrateGuide();
            }
        });
        RefreshPage();
    }

    void OnDestroy()
    {
        BluetoothHolder.ins.HideMagEllipse(this);
        if (gyrCalibrating) {
            AimHandler.ins.CalibrateGyr(false);
        }
        if (magCalibrating) {
            AimHandler.ins.CalibrateMag(false);
        }
    }

    bool canUpdateGyrCalibrateProgress = false;
    void Update()
    {   
        if (canUpdateGyrCalibrateProgress) {
            int progress = (int) ((float) AimHandler.ins.gyrCalibrateCompleteCount * 100 / (float) AimHandler.ins.gyrCalibrateTotalCount);
             progressGyrCalibrate.text = progress + "%";
            if (progress >= 100) {
                FinishGyrCalibrate();
            }
        }
    }

    void RefreshPage() {
        if (guide) {
            deviceCalibrateItem = deviceCalibrateItemForGuide[guideIndex];
            if (guideIndex == 0) {
                btnBack.gameObject.SetActive(false);
                btnNext.gameObject.SetActive(true);
                btnFinish.gameObject.SetActive(false);
            } else if (guideIndex == deviceCalibrateItemForGuide.Length - 1) {
                btnBack.gameObject.SetActive(true);
                btnNext.gameObject.SetActive(false);
                btnFinish.gameObject.SetActive(true);    
            } else {
                btnBack.gameObject.SetActive(true);
                btnNext.gameObject.SetActive(true);
                btnFinish.gameObject.SetActive(false);
            }
        } else {
            btnBack.gameObject.SetActive(false);
            btnNext.gameObject.SetActive(false);
            btnFinish.gameObject.SetActive(true);
        }
        this.transform.Find("Gyr").gameObject.SetActive(deviceCalibrateItem == DeviceCalibrateItem.Gyr);
        this.transform.Find("Mag").gameObject.SetActive(deviceCalibrateItem == DeviceCalibrateItem.Mag);
        this.transform.Find("Identity").gameObject.SetActive(deviceCalibrateItem == DeviceCalibrateItem.Identity);
    }

    // ------ 陀螺仪校准 ------
    bool gyrCalibrating = false;
    void ClickGyrCalibrate() 
    {
        Button btn = btnGyrCalibrate.GetComponent<Button>();
        gyrCalibrating = !gyrCalibrating;
        if (btn.enabled) {
            btn.enabled = false;
            btn.GetComponent<Image>().sprite = Resources.Load<Sprite>("Textures/Common/ButtonGray");
            btn.GetComponentInChildren<Text>().color = Color.gray;
            AimHandler.ins.gyrCalibrateCompleteCount = 0;
            canUpdateGyrCalibrateProgress = true;
            AimHandler.ins.CalibrateGyr(true);
        }
    }

    void FinishGyrCalibrate()
    {   
        canUpdateGyrCalibrateProgress = false;
        if (!guide) {
            Button btn = btnGyrCalibrate.GetComponent<Button>();
            btn.enabled = true;
            btn.GetComponentInChildren<TextAutoLanguage>().SetText(116);
            btn.GetComponent<Image>().sprite = Resources.Load<Sprite>("Textures/Common/ButtonBlue");
            Color outColor;
            ColorUtility.TryParseHtmlString("#005AB6", out outColor);
            btn.GetComponentInChildren<Text>().color = outColor;
        }
        AimHandler.ins.CalibrateGyr(false);
    }

    // ------ 地磁计校准 ------
    bool magCalibrating = false;
    void ClickMagCalibrate() 
    {
        Button btn = btnMagCalibrate.GetComponent<Button>();
        magCalibrating = !magCalibrating;
        if (magCalibrating) {
            btn.GetComponentInChildren<TextAutoLanguage>().SetText(83);
            btn.GetComponentInChildren<Text>().color = Color.red;
            AimHandler.ins.CalibrateMag(true);
        } else {
            if (guide) {
                btn.enabled = false;
                btn.GetComponentInChildren<TextAutoLanguage>().SetText(82);
                btn.GetComponent<Image>().sprite = Resources.Load<Sprite>("Textures/Common/ButtonGray");
                btn.GetComponentInChildren<Text>().color = Color.gray;
            } else {
                btn.GetComponentInChildren<TextAutoLanguage>().SetText(116);
                Color outColor;
                ColorUtility.TryParseHtmlString("#005AB6", out outColor);
                btn.GetComponentInChildren<Text>().color = outColor;
            }
            AimHandler.ins.CalibrateMag(false);
        }
    }

    // ------ 视角归位 ------
    void ClickIdentityCalibrate() {
        AimHandler.ins.DoIdentity();
        Button btn = btnIdentityCalibrate.GetComponent<Button>();
        btn.GetComponent<Image>().sprite = Resources.Load<Sprite>("Textures/Common/ButtonGray");
        btn.GetComponentInChildren<Text>().color = Color.gray;
        btn.enabled = false;
    }

    // 对外开发按钮接口
    public (Button, Button) GetInterfaceBtns() 
    {
        Button btn1 = btnGyrCalibrate;
        if (deviceCalibrateItem == DeviceCalibrateItem.Mag) btn1 = btnMagCalibrate;
        return (btn1, btnFinish);
    }
}
public enum  DeviceCalibrateItem
{
    Guide, Gyr, Mag, Identity
}