using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;
using UnityEngine.Networking;
using System.Text.RegularExpressions;
using System.Data.SqlClient;
using TMPro;
using System;
using System.IO;
using ZXing;
using ZXing.QrCode;
using System.Net;
using SimpleJSON;
using System.ComponentModel;
using System.Runtime.InteropServices;

public class 加班審核 : MonoBehaviour
{

    [SerializeField] GameObject 選單;
    [SerializeField] GameObject 未准;
    [SerializeField] GameObject 核准;
    [SerializeField] RawImage 放圖用;
    [SerializeField] GameObject 主頁;
    [SerializeField] GameObject 圖頁;
    public GameObject buttonPrefab;
    public Transform buttonParent;
    public GameObject buttonceneter;
    private List<GameObject> copy = new List<GameObject>();


    [SerializeField] TextMeshProUGUI 假別;
    [SerializeField] TextMeshProUGUI 日期;
    [SerializeField] TextMeshProUGUI 申請人;
    [SerializeField] TextMeshProUGUI 編號;
    [SerializeField] TextMeshProUGUI 事由;

    public CanvasScaler canvasScaler;

    [SerializeField] GameObject 讀取面板;
    [SerializeField] TextMeshProUGUI 讀取;

    [SerializeField] GameObject 彈跳面板;
    [SerializeField] TextMeshProUGUI 彈跳文字;
    private string loadingText = "";
    private int dotCount = 0;
    string 選擇資料庫;
    string 選擇流水號;
    void Start()
    {
        Screen.autorotateToPortrait = false;
        Screen.orientation = ScreenOrientation.Portrait;
        Main.Global.螢幕方向="直";
        //Main.Global.固高=1900f;
        //Main.Global.固寬=900f;
        //Main.Global.固比=1f;
        //Main.Global.螢幕格式="瘦";
        //Main.Global.PA="王詩文";
        canvasScaler.referenceResolution = new Vector2(Main.Global.固寬, Main.Global.固高);
        canvasScaler.matchWidthOrHeight=Main.Global.固比;
        //Main.Global.阿帕契路徑="http://106.1.48.106:8080/wp-content/themes/event-star/hskin_login.php?";
        //Main.Global.預設伺服器路徑="test";
        主頁.SetActive(true);
        選單.SetActive(false);
        圖頁.SetActive(false);
        未准.SetActive(false);
        核准.SetActive(false);
        StartCoroutine(AnimateText());
        StartCoroutine(加班核准清單());
    }

    IEnumerator AnimateText()
    {
        string qqq = 讀取.text.ToString();
        while (true)
        {
            yield return new WaitForSeconds(0.5f);

            if (dotCount < 3)
            {
                loadingText += ".";
                dotCount++;
            }
            else
            {
                loadingText = "";
                dotCount = 0;
            }

            讀取.text = qqq+loadingText;
        }
    }
    
    IEnumerator 加班核准清單()
    {
        讀取面板.SetActive(true);
        if (copy!= null)
        {
            DeleteCopies(copy);
        }
        string strcon = "加班核准清單";
        string se = Main.Global.預設伺服器路徑;
        string strUrl = string.Format(Main.Global.阿帕契路徑+"comm={0}&se={1}", strcon, se);
        UnityWebRequest request = UnityWebRequest.Get(strUrl);
        yield return request.SendWebRequest();
        if (request.result == UnityWebRequest.Result.ConnectionError)
        {
            //Debug.Log(request.error);
            yield break;
        }
        JSONNode json = JSON.Parse(request.downloadHandler.text);
        int sum = 5;
        for (int i = 0; i < json.Count; i++)
        {
            GameObject buttonObj = Instantiate(buttonPrefab) as GameObject;
            buttonObj.GetComponent<RectTransform>().anchoredPosition = new Vector2(2, -sum);
            buttonObj.transform.SetParent(buttonParent, false);
            TextMeshProUGUI[] text = buttonObj.GetComponentsInChildren<TextMeshProUGUI>();
            SetTextValue(text[0], json[i][0]);
            SetTextValue(text[1], json[i][2]);
            SetTextValue(text[2], json[i][3]);
            SetTextValue(text[3], json[i][5]);
            SetTextValue(text[4], json[i][6]);
            Button bt = buttonObj.GetComponentInChildren<Button>();
            int index = i;
            bt.onClick.AddListener(() =>
            {
                SetTextValue(申請人, json[index][0]);
                SetTextValue(編號, json[index][1]);
                SetTextValue(日期, json[index][2]);
                SetTextValue(假別, json[index][5]);
                SetTextValue(事由, json[index][6]);
                主頁.SetActive(false);
                圖頁.SetActive(true);
                選單.SetActive(true);
                未准.SetActive(true);
                核准.SetActive(true);
                if (json[index][12] ==null)
                {
                    選擇資料庫="";
                }
                else
                {
                    選擇資料庫=json[index][12].ToString().Trim('"');
                }
                if (json[index][13] ==null)
                {
                    選擇流水號="";
                }
                else
                {
                    選擇流水號=json[index][13].ToString().Trim('"');
                }
                if (選擇資料庫 !="" && 選擇流水號 !="")
                {
                    讀取圖片();
                }
                else
                {
                    放圖用.texture =Texture2D.blackTexture;
                }
            });
            sum+=75;
            copy.Add(buttonObj);
        }
        buttonceneter.GetComponent<RectTransform>().sizeDelta = new Vector2(buttonceneter.GetComponent<RectTransform>().sizeDelta.x, sum);
        讀取面板.SetActive(false);

    }
   
    public void 讀取圖片()
    {
        string ip = "";
        if (Main.Global.預設伺服器路徑=="test")
        {
            ip="106.1.48.106,4567";
        }
        else
        {
            ip="mssql-147629-0.cloudclusters.net,12711";
        }
        string connectionString = "Data Source="+ ip +";Initial Catalog="+ 選擇資料庫 +";User ID=B70340;Password=Lee0911274990";
        Debug.Log(connectionString);

        using (SqlConnection connection = new SqlConnection(connectionString))
        {
            try
            {
                connection.Open();

                string query = "SELECT 圖片 FROM 加班圖片庫 WHERE 流水號 LIKE '" + 選擇流水號 + "'";
                using (SqlCommand command = new SqlCommand(query, connection))
                {
                    using (SqlDataReader reader = command.ExecuteReader())
                    {
                        if (reader.Read())
                        {
                            // 讀取圖片的二進位資料
                            byte[] imageData = (byte[])reader["圖片"];

                            // 將二進位資料轉換為 Texture2D
                            Texture2D texture = new Texture2D(1, 1);
                            texture.LoadImage(imageData);

                            // 將 Texture2D 設置為 RawImage 的 texture
                            放圖用.texture = texture;
                            float aspectRatio = (float)texture.width / texture.height;
                            float newWidth = Mathf.Min(720f, 放圖用.rectTransform.rect.width);
                            float newHeight = newWidth / aspectRatio;
                            放圖用.rectTransform.sizeDelta = new Vector2(newWidth, newHeight);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                Debug.LogError("Error connecting to the database: " + ex.Message);
                彈跳面板.SetActive(true);
                彈跳文字.text = "目前無法連到伺服器，請通知系統管理員";
            }
            finally
            {
                connection.Close();
            }
        }
    }
    private void SetTextValue(TextMeshProUGUI text, string value)
    {
        if (value == null)
        {
            text.text = "";
        }
        else
        {
            string jsonString = value.Trim('"');
            string unescapedString = Regex.Unescape(jsonString);
            text.text = unescapedString;
        }
    }
    public void 核准紐()
    {
        if (日期.text != "" && 編號.text != "")
        {
            StartCoroutine(加班審核核准());
        }
        else
        {
            彈跳面板.SetActive(false);
            彈跳文字.text = "未選擇日期";
        }
    }
    IEnumerator 加班審核核准()
    {
        讀取面板.SetActive(true);
        string strcon = "加班審核核准";
        string se = Main.Global.預設伺服器路徑;
        string pa = Main.Global.PA;
        DateTime currentDate = DateTime.Now;
        string pa1 = currentDate.ToString("yyyy/MM/dd");
        string pa2 = 日期.text;
        string pa3 = 編號.text;
        string strUrl = string.Format(Main.Global.阿帕契路徑+"comm={0}&se={1}&PA={2}&PA1={3}&PA2={4}&PA3={5}", strcon, se, pa, pa1, pa2, pa3);
        UnityWebRequest request = UnityWebRequest.Get(strUrl);
        yield return request.SendWebRequest();
        if (request.result == UnityWebRequest.Result.ConnectionError)
        {
            //Debug.Log(request.error);
            yield break;
        }
        圖頁.SetActive(false);
        主頁.SetActive(true);
        選單.SetActive(false);
        未准.SetActive(false);
        核准.SetActive(false);
        彈跳面板.SetActive(true);
        彈跳文字.text = "核准成功";
        StartCoroutine(加班核准清單());
    }
    public void 未准紐()
    {
        if (日期.text != "" && 編號.text != "")
        {
            StartCoroutine(加班審核未准());
        }
        else
        {
            彈跳面板.SetActive(false);
            彈跳文字.text = "未選擇日期";
        }
    }
    IEnumerator 加班審核未准()
    {
        讀取面板.SetActive(true);
        string strcon = "加班審核未准";
        string se = Main.Global.預設伺服器路徑;
        string pa = "未准-"+Main.Global.PA;
        DateTime currentDate = DateTime.Now;
        string pa1 = currentDate.ToString("yyyy/MM/dd");
        string pa2 = 日期.text;
        string pa3 = 編號.text;
        string strUrl = string.Format(Main.Global.阿帕契路徑+"comm={0}&se={1}&PA={2}&PA1={3}&PA2={4}&PA3={5}", strcon, se, pa, pa1, pa2, pa3);
        UnityWebRequest request = UnityWebRequest.Get(strUrl);
        yield return request.SendWebRequest();
        if (request.result == UnityWebRequest.Result.ConnectionError)
        {
            //Debug.Log(request.error);
            yield break;
        }
        圖頁.SetActive(false);
        主頁.SetActive(true);
        選單.SetActive(false);
        未准.SetActive(false);
        核准.SetActive(false);
        彈跳面板.SetActive(true);
        彈跳文字.text = "未准成功";
        StartCoroutine(加班核准清單());
    }
    public void 切換紐()
    {
        if (主頁.activeSelf && !圖頁.activeSelf)
        {
            主頁.SetActive(false);
            圖頁.SetActive(true);
            選單.SetActive(true);
            未准.SetActive(true);
            核准.SetActive(true);
        }
        else if (圖頁.activeSelf && !主頁.activeSelf)
        {

            圖頁.SetActive(false);
            主頁.SetActive(true);
            選單.SetActive(false);
            未准.SetActive(false);
            核准.SetActive(false);
        }
    }
    public void 彈跳面板關閉()
    {
        彈跳面板.SetActive(false);
        彈跳文字.text = "";
    }
    private void DeleteCopies(List<GameObject> copyList)
    {
        foreach (GameObject copy in copyList)
        {
            Destroy(copy);
        }
        copyList.Clear();
    }
    public void back()
    {
        change_Secen(2);
    }
    public void change_Secen(int _screenNum)
    {

        SceneManager.LoadScene(_screenNum);
    }
}