import random
import tkinter as tk
from tkinter import messagebox, ttk


# 各目のドット位置（セル中心の相対座標 -1〜+1 グリッド）
PIPS = {
    1: [(0, 0)],
    2: [(-1, -1), (1, 1)],
    3: [(-1, -1), (0, 0), (1, 1)],
    4: [(-1, -1), (-1, 1), (1, -1), (1, 1)],
    5: [(-1, -1), (-1, 1), (1, -1), (1, 1), (0, 0)],
    6: [(-1, -1), (-1, 0), (-1, 1), (1, -1), (1, 0), (1, 1)],
}


class App056:
    """乱数サイコロ"""

    def __init__(self, root):
        self.root = root
        self.root.title("乱数サイコロ")
        self.root.geometry("680x441")
        self.root.minsize(680, 441)
        self.root.configure(bg="#f8f9fc")
        self.values = [1]
        self._build_ui()
        self.draw()

    def _build_ui(self):
        """UI を構築する"""
        title = tk.Frame(self.root, bg="#3776ab", pady=12)
        title.pack(fill=tk.X)
        tk.Label(title, text="乱数サイコロ",
                 font=("Noto Sans JP", 16, "bold"),
                 bg="#3776ab", fg="white").pack()

        ctrl = ttk.LabelFrame(self.root, text="操作", padding=10)
        ctrl.pack(fill=tk.X, padx=15, pady=8)

        ttk.Label(ctrl, text="個数:").pack(side=tk.LEFT, padx=4)
        self.num_var = tk.IntVar(value=2)
        ttk.Spinbox(ctrl, from_=1, to=6, textvariable=self.num_var,
                    width=4).pack(side=tk.LEFT)
        ttk.Button(ctrl, text="🎲 振る", command=self.roll).pack(side=tk.LEFT, padx=10)

        self.canvas = tk.Canvas(self.root, width=640, height=200, bg="white",
                                highlightthickness=1, highlightbackground="#ccc")
        self.canvas.pack(padx=15, pady=10)

        self.sum_label = tk.Label(self.root, text="合計: 1",
                                  font=("Noto Sans JP", 14, "bold"),
                                  bg="#f8f9fc", fg="#3776ab")
        self.sum_label.pack(pady=4)

        # 履歴
        ttk.Label(self.root, text="履歴 (最新5件):").pack()
        self.history_var = tk.StringVar(value="")
        tk.Label(self.root, textvariable=self.history_var, bg="#f8f9fc",
                 fg="#555").pack()
        self.history = []

    def roll(self):
        """サイコロを振る"""
        try:
            n = int(self.num_var.get())
        except (ValueError, tk.TclError):
            messagebox.showerror("エラー", "個数は整数で指定してください")
            return
        n = max(1, min(6, n))
        self.values = [random.randint(1, 6) for _ in range(n)]
        self.draw()
        s = sum(self.values)
        self.sum_label.config(text=f"出目: {self.values}  合計: {s}")
        self.history.insert(0, f"{self.values} (計{s})")
        self.history = self.history[:5]
        self.history_var.set("\n".join(self.history))

    def draw(self):
        """Canvas にサイコロを描画する"""
        self.canvas.delete("all")
        n = len(self.values)
        gap = 20
        # 隙間 (n - 1) * gap を差し引いて、6個でも幅640の Canvas に収める
        size = min(160, (600 - (n - 1) * gap) // max(1, n))
        total_w = n * size + (n - 1) * gap
        start_x = (640 - total_w) // 2
        cy = 100
        for i, v in enumerate(self.values):
            x0 = start_x + i * (size + gap)
            y0 = cy - size // 2
            self._draw_die(x0, y0, size, v)

    def _draw_die(self, x, y, size, value):
        """1個のサイコロを描画する"""
        r = size // 12
        # 本体
        self.canvas.create_rectangle(x, y, x + size, y + size,
                                     fill="white", outline="#333", width=2)
        # ドット
        cx, cy = x + size // 2, y + size // 2
        offset = size // 3
        for ox, oy in PIPS[value]:
            dx, dy = cx + ox * offset, cy + oy * offset
            self.canvas.create_oval(dx - r, dy - r, dx + r, dy + r,
                                    fill="#1f2933", outline="")


if __name__ == "__main__":
    root = tk.Tk()
    app = App056(root)
    root.mainloop()