using System.ComponentModel;

namespace AccompanyingAssistant {
    public partial class MainForm : Form {
        bool haveHandle = true;  //用于SetBits
        bool bFormDragging = false;  // 用于窗体移动
        Point oPointClicked; // 用于窗体移动

        int dragFrame = 0; //拖拽帧数计数
        int blinkFrame = 0; //眨眼帧数计数
        int hatNum = -1;
        int clothesNum = -1;
        private enum PetStates { General = 0, Drag = 1 };

        Bitmap[] pet = new Bitmap[30];
        Bitmap[] petDrag = new Bitmap[3];
        Bitmap[] petBlink = new Bitmap[2];

        Bitmap[,] petHat = new Bitmap[10, 2];
        Bitmap[,] petClothes = new Bitmap[5, 4];

        Bitmap[] petWithClothes = new Bitmap[30];
        Bitmap[] petDragWithClothes = new Bitmap[3];
        Bitmap[] petBlinkWithClothes = new Bitmap[3];

        private Queue<string> messageQueue = new Queue<string>();
        private bool isBubbleVisible = false;
        private int bubbleShowTime = 5000; // 显示时间(毫秒)
        private DateTime bubbleStartTime;
        private BubbleForm bubbleForm;

        public MainForm() {
            InitializeComponent();
        }
        #region 重载

        protected override void OnClosing(CancelEventArgs e) {
            e.Cancel = true;
            base.OnClosing(e);
            haveHandle = false;
        }

        protected override void OnHandleCreated(EventArgs e) {
            InitializeStyles();
            base.OnHandleCreated(e);
            haveHandle = true;
        }

        private void InitializeStyles() {
            SetStyle(ControlStyles.AllPaintingInWmPaint, true);
            SetStyle(ControlStyles.UserPaint, true);
            UpdateStyles();
        }

        protected override CreateParams CreateParams {
            get {
                CreateParams cParms = base.CreateParams;
                cParms.ExStyle |= 0x00080000; // WS_EX_LAYERED
                return cParms;
            }
        }

        #endregion

        public void SetBits(Bitmap bitmap) {
            if (!haveHandle) return;

            if (!Bitmap.IsCanonicalPixelFormat(bitmap.PixelFormat) || !Bitmap.IsAlphaPixelFormat(bitmap.PixelFormat))
                MessageBox.Show("Error Bitmap");

            IntPtr oldBits = IntPtr.Zero;
            IntPtr screenDC = Win32.GetDC(IntPtr.Zero);
            IntPtr hBitmap = IntPtr.Zero;
            IntPtr memDc = Win32.CreateCompatibleDC(screenDC);

            try {
                Win32.Point topLoc = new Win32.Point(Left, Top);
                Win32.Size bitMapSize = new Win32.Size(bitmap.Width, bitmap.Height);
                Win32.BLENDFUNCTION blendFunc = new Win32.BLENDFUNCTION();
                Win32.Point srcLoc = new Win32.Point(0, 0);

                hBitmap = bitmap.GetHbitmap(Color.FromArgb(0));
                oldBits = Win32.SelectObject(memDc, hBitmap);

                blendFunc.BlendOp = Win32.AC_SRC_OVER;
                blendFunc.SourceConstantAlpha = 255;
                blendFunc.AlphaFormat = Win32.AC_SRC_ALPHA;
                blendFunc.BlendFlags = 0;

                Win32.UpdateLayeredWindow(Handle, screenDC, ref topLoc, ref bitMapSize, memDc, ref srcLoc, 0, ref blendFunc, Win32.ULW_ALPHA);
            } finally {
                if (hBitmap != IntPtr.Zero) {
                    Win32.SelectObject(memDc, oldBits);
                    Win32.DeleteObject(hBitmap);
                }
                Win32.ReleaseDC(IntPtr.Zero, screenDC);
                Win32.DeleteDC(memDc);
            }
        }

        private Bitmap CombinedPic(Bitmap bottom, Bitmap top, int x, int y) {
            Bitmap bitmap = new Bitmap(bottom.Width, bottom.Height);
            Graphics g = Graphics.FromImage(bitmap);
            g.DrawImage(bottom, new Rectangle(0, 0, bottom.Width, bottom.Height), new Rectangle(0, 0, bottom.Width, bottom.Height), GraphicsUnit.Pixel);
            g.DrawImage(top, new Rectangle(x, y, top.Width, top.Height), new Rectangle(0, 0, top.Width, top.Height), GraphicsUnit.Pixel);
            return bitmap;
        }

        private Bitmap Dress(Bitmap img, int state) {
            Bitmap bitmap = new Bitmap(img.Width, img.Height);
            bitmap = img;
            if (clothesNum != -1) {
                bitmap = CombinedPic(bitmap, petClothes[clothesNum, state], 0, 0);
            }
            if (hatNum != -1) {
                bitmap = CombinedPic(bitmap, petHat[hatNum, state], 0, 0);
            }
            return bitmap;
        }
        protected override void OnLocationChanged(EventArgs e) {
            base.OnLocationChanged(e);
            if (isBubbleVisible) {
                bubbleForm.Location = CalculateBubblePosition();
            }
        }

        private void Form1_Load(object sender, EventArgs e) {
            pet[0] = new Bitmap(Application.StartupPath + "\\shell\\surface0000.png");
            pet[1] = new Bitmap(Application.StartupPath + "\\shell\\surface0001.png");
            pet[2] = new Bitmap(Application.StartupPath + "\\shell\\surface0002.png");
            pet[3] = new Bitmap(Application.StartupPath + "\\shell\\surface0003.png");
            pet[4] = new Bitmap(Application.StartupPath + "\\shell\\surface0004.png");
            pet[5] = new Bitmap(Application.StartupPath + "\\shell\\surface0005.png");
            pet[6] = new Bitmap(Application.StartupPath + "\\shell\\surface0006.png");
            pet[7] = new Bitmap(Application.StartupPath + "\\shell\\surface0007.png");
            pet[8] = new Bitmap(Application.StartupPath + "\\shell\\surface0008.png");
            pet[9] = new Bitmap(Application.StartupPath + "\\shell\\surface0009.png");
            petDrag[0] = new Bitmap(Application.StartupPath + "\\shell\\surface0091.png");
            petDrag[1] = new Bitmap(Application.StartupPath + "\\shell\\surface0092.png");
            petDrag[2] = new Bitmap(Application.StartupPath + "\\shell\\surface0093.png");
            petBlink[0] = new Bitmap(Application.StartupPath + "\\shell\\surface1003.png");
            petBlink[1] = new Bitmap(Application.StartupPath + "\\shell\\surface1004.png");
            petHat[0, 0] = new Bitmap(Application.StartupPath + "\\shell\\surface3000.png");
            petHat[0, 1] = new Bitmap(Application.StartupPath + "\\shell\\surface3001.png");
            petHat[1, 0] = new Bitmap(Application.StartupPath + "\\shell\\surface3002.png");
            petHat[1, 1] = new Bitmap(Application.StartupPath + "\\shell\\surface3003.png");
            petHat[2, 0] = new Bitmap(Application.StartupPath + "\\shell\\surface3004.png");
            petHat[2, 1] = new Bitmap(Application.StartupPath + "\\shell\\surface3005.png");
            petHat[3, 0] = new Bitmap(Application.StartupPath + "\\shell\\surface3006.png");
            petHat[3, 1] = new Bitmap(Application.StartupPath + "\\shell\\surface3007.png");
            petClothes[0, 0] = new Bitmap(Application.StartupPath + "\\shell\\surface3100.png");
            petClothes[0, 1] = new Bitmap(Application.StartupPath + "\\shell\\surface3101.png");
            petClothes[0, 2] = new Bitmap(Application.StartupPath + "\\shell\\surface3102.png");
            petClothes[0, 3] = new Bitmap(Application.StartupPath + "\\shell\\surface3103.png");
            petClothes[1, 0] = new Bitmap(Application.StartupPath + "\\shell\\surface3200.png");
            petClothes[1, 1] = new Bitmap(Application.StartupPath + "\\shell\\surface3201.png");
            petClothes[1, 2] = new Bitmap(Application.StartupPath + "\\shell\\surface3202.png");
            petClothes[1, 3] = new Bitmap(Application.StartupPath + "\\shell\\surface3203.png");

            DressAll();
            SetBits(petWithClothes[0]);
            // 初始化气泡窗体
            InitializeBubbleForm();

        }
        // 初始化气泡窗体
        private void InitializeBubbleForm() {
            bubbleForm = new BubbleForm();
            bubbleForm.Visible = false;
            bubbleForm.Owner = this;
            bubbleForm.Location = CalculateBubblePosition();
        }

        // 计算气泡位置（在宠物上方）
        private Point CalculateBubblePosition() {
            // 获取宠物窗体的中心点
            Point petCenter = new Point(
                this.Left + (this.Width / 2),
                this.Top
            );

            // 计算气泡位置（居中于宠物上方）
            return new Point(
                petCenter.X - (bubbleForm.Width / 2),
                petCenter.Y - bubbleForm.Height - 10
            );
        }

        // 新增方法：显示消息气泡
        public void ShowMessage(string message) {
            if (isBubbleVisible) {
                messageQueue.Enqueue(message);
                return;
            }

            bubbleForm.Message = message;

            // 先确保气泡大小已更新
            bubbleForm.UpdateSize();

            // 计算正确位置
            Point bubblePos = CalculateBubblePosition();
            bubbleForm.Location = bubblePos;

            bubbleForm.Show();
            bubbleForm.BringToFront();
            isBubbleVisible = true;
            bubbleStartTime = DateTime.Now;

            tmrBubble.Interval = 100;
            tmrBubble.Enabled = true;
        }

        // 新增方法：关闭当前气泡
        public void CloseBubble() {
            bubbleForm.Hide();
            isBubbleVisible = false;

            // 检查队列中是否有待显示消息
            if (messageQueue.Count > 0) {
                ShowMessage(messageQueue.Dequeue());
            }
        }

        // 新增气泡计时器Tick事件
        private void tmrBubble_Tick(object sender, EventArgs e) {
            // 检查是否达到显示时间
            if ((DateTime.Now - bubbleStartTime).TotalMilliseconds >= bubbleShowTime) {
                CloseBubble();
            }
        }


        #region 拖拽

        private void Form1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) {
            if (e.Button == System.Windows.Forms.MouseButtons.Left) {
                bFormDragging = true;
                oPointClicked = new Point(e.X, e.Y);
                tmrDrag.Interval = 110;
                tmrDrag.Enabled = true;
            }
        }

        private void Form1_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e) {
            if (e.Button == System.Windows.Forms.MouseButtons.Left) {
                bFormDragging = false;
                tmrDrag.Enabled = false;
                SetBits(petWithClothes[0]);
            }
        }

        private void Form1_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e) {
            if (bFormDragging) {
                Point oMoveToPoint = default(Point);
                //以当前鼠标位置为基础，找出目标位置
                oMoveToPoint = PointToScreen(new Point(e.X, e.Y));
                oMoveToPoint.Offset(oPointClicked.X * -1, (oPointClicked.Y + SystemInformation.CaptionHeight + SystemInformation.BorderSize.Height) * -1 + 24);
                Location = oMoveToPoint;
            }
        }

        private void tmrDrag_Tick(object sender, EventArgs e) {
            if (dragFrame < 2) {
                SetBits(petDragWithClothes[dragFrame]);
                dragFrame += 1;
            } else {
                SetBits(petDragWithClothes[dragFrame]);
                dragFrame = 0;
            }
        }

        #endregion

        private void 退出ToolStripMenuItem_Click(object sender, EventArgs e) {
            Application.Exit();
        }

        private void 眨眼ToolStripMenuItem_Click(object sender, EventArgs e) {
            tmrBlink.Interval = 40;
            tmrBlink.Start();
        }

        private void tmrBlink_Tick(object sender, EventArgs e) {
            if (blinkFrame < 2) {
                SetBits(petBlinkWithClothes[blinkFrame]);
                blinkFrame += 1;
            } else {
                SetBits(petWithClothes[0]);
                blinkFrame = 0;
                tmrBlink.Stop();
            }
        }

        private void 帽子ToolStripMenuItem_Click(object sender, EventArgs e) {
            bool itemChecked = (sender as ToolStripMenuItem).Checked;
            if (itemChecked) {
                hatNum = -1;
            } else {
                hatNum = this.衣柜ToolStripMenuItem.DropDownItems.IndexOf(sender as ToolStripMenuItem);
            }
            this.圣诞帽子ToolStripMenuItem.Checked = false;
            this.樱花帽子ToolStripMenuItem.Checked = false;
            this.水手帽ToolStripMenuItem.Checked = false;
            this.风车帽子ToolStripMenuItem.Checked = false;
            (sender as ToolStripMenuItem).Checked = !itemChecked;
            DressAll();
            SetBits(petWithClothes[0]);
        }

        private void 衣服ToolStripMenuItem_Click(object sender, EventArgs e) {
            bool itemChecked = (sender as ToolStripMenuItem).Checked;
            if (itemChecked) {
                clothesNum = -1;
            } else {
                clothesNum = this.衣柜ToolStripMenuItem.DropDownItems.IndexOf(sender as ToolStripMenuItem) - 4;
            }
            this.圣诞衣服ToolStripMenuItem.Checked = false;
            this.和服ToolStripMenuItem.Checked = false;
            (sender as ToolStripMenuItem).Checked = !itemChecked;
            DressAll();
            SetBits(petWithClothes[0]);
        }

        private void DressAll() {
            int i;
            for (i = 0; i < 10; i++) {
                petWithClothes[i] = Dress(pet[i], (int)PetStates.General);
            }
            for (i = 0; i < 3; i++) {
                petDragWithClothes[i] = Dress(petDrag[i], (int)PetStates.Drag);
            }
            for (i = 0; i < 2; i++) {
                petBlinkWithClothes[i] = Dress(petBlink[i], (int)PetStates.General);
            }
        }

        private void 消息测试ToolStripMenuItem_Click(object sender, EventArgs e) {
            ShowMessage("这是一个测试消息气泡！\n它会在5秒后自动消失。\n你可以点击右键查看更多选项。");
        }
    }
}