#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
管理员面板 - 管理异常工单
"""

import tkinter as tk
from tkinter import ttk, messagebox
import requests
import sys
import os

sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))


class AdminPanel:
    """管理员面板"""
    
    @staticmethod
    def translate_status(status):
        """将英文状态转换为中文"""
        status_map = {
            'pending': '待处理',
            'claimed': '已认领',
            'completed': '已完成'
        }
        return status_map.get(status, status)
    
    def __init__(self, root, api_base_url):
        self.root = root
        self.root.title("管理员面板 - 工单管理")
        self.root.geometry("900x600")
        if isinstance(root, tk.Toplevel):
            self.root.transient(root.master)
        self.api_base_url = api_base_url
        self.claimed_orders = []
        
        self._create_widgets()
        self.load_claimed_orders()
    
    def _create_widgets(self):
        """创建界面"""
        # 标题
        title_frame = tk.Frame(self.root, bg="#2c3e50", height=60)
        title_frame.pack(fill=tk.X)
        title_frame.pack_propagate(False)
        
        tk.Label(title_frame, text="管理员面板 - 已认领工单管理", font=("微软雅黑", 18, "bold"), fg="white", bg="#2c3e50").pack(pady=15)
        
        # 工单列表
        list_frame = tk.LabelFrame(self.root, text="已认领工单列表", font=("微软雅黑", 12), padx=10, pady=10)
        list_frame.pack(fill=tk.BOTH, expand=True, padx=10, pady=10)
        
        columns = ("追溯号", "工序号", "工序名称", "操作员", "认领时间", "状态")
        self.tree = ttk.Treeview(list_frame, columns=columns, show="headings")
        
        for col in columns:
            self.tree.heading(col, text=col)
            self.tree.column(col, width=150, anchor=tk.CENTER)
        
        scrollbar = ttk.Scrollbar(list_frame, orient=tk.VERTICAL, command=self.tree.yview)
        self.tree.configure(yscrollcommand=scrollbar.set)
        self.tree.pack(side=tk.LEFT, fill=tk.BOTH, expand=True)
        scrollbar.pack(side=tk.RIGHT, fill=tk.Y)
        
        # 按钮
        button_frame = tk.Frame(self.root, padx=10, pady=10)
        button_frame.pack(fill=tk.X)
        
        tk.Button(button_frame, text="刷新列表", font=("微软雅黑", 10), bg="#3498db", fg="white", width=12, command=self.load_claimed_orders).pack(side=tk.LEFT, padx=5)
        tk.Button(button_frame, text="退领选中工单", font=("微软雅黑", 10), bg="#e67e22", fg="white", width=12, command=self.unclaim_selected).pack(side=tk.LEFT, padx=5)
        tk.Button(button_frame, text="批量退领", font=("微软雅黑", 10), bg="#e74c3c", fg="white", width=12, command=self.unclaim_all).pack(side=tk.LEFT, padx=5)
    
    def load_claimed_orders(self):
        """加载已认领工单"""
        try:
            response = requests.get(f"{self.api_base_url}/work-orders/claimed", timeout=2)
            if response.status_code == 200:
                data = response.json()
                if data.get("success"):
                    self.claimed_orders = data.get("data", [])
                    self.update_list()
        except Exception as e:
            messagebox.showerror("错误", f"加载失败: {e}")
    
    def update_list(self):
        """更新列表"""
        self.tree.delete(*self.tree.get_children())
        for order in self.claimed_orders:
            status = order.get('status', 'claimed')
            status_cn = self.translate_status(status)
            self.tree.insert("", tk.END, values=(
                order.get('trace_id'), order.get('process_id'), order.get('process_name', '--'),
                order.get('operator', '--'), order.get('claimed_at', '--'), status_cn
            ))
    
    def unclaim_selected(self):
        """退领选中工单"""
        selected = self.tree.selection()
        if not selected:
            messagebox.showwarning("警告", "请选择要退领的工单")
            return
        
        item = self.tree.item(selected[0])
        values = item['values']
        trace_id, process_id = values[0], values[1]
        
        if not messagebox.askyesno("确认", f"确定退领工单 {trace_id} - {process_id}？"):
            return
        
        try:
            response = requests.post(f"{self.api_base_url}/work-orders/unclaim", json={"trace_id": trace_id, "process_id": process_id}, timeout=2)
            if response.status_code == 200 and response.json().get("success"):
                messagebox.showinfo("成功", "退领成功")
                self.load_claimed_orders()
        except Exception as e:
            messagebox.showerror("错误", f"退领失败: {e}")
    
    def unclaim_all(self):
        """批量退领所有工单"""
        if not self.claimed_orders:
            messagebox.showinfo("提示", "没有需要退领的工单")
            return
        
        if not messagebox.askyesno("确认", f"确定退领所有 {len(self.claimed_orders)} 个工单？"):
            return
        
        success_count = 0
        for order in self.claimed_orders:
            try:
                requests.post(f"{self.api_base_url}/work-orders/unclaim", json={"trace_id": order['trace_id'], "process_id": order['process_id']}, timeout=2)
                success_count += 1
            except:
                pass
        
        messagebox.showinfo("完成", f"成功退领 {success_count}/{len(self.claimed_orders)} 个工单")
        self.load_claimed_orders()


def main():
    import json
    api_url = "http://localhost:5000/api"
    try:
        config_path = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "config.json")
        if os.path.exists(config_path):
            with open(config_path, "r", encoding="utf-8") as f:
                config = json.load(f)
                api_url = config.get("api", {}).get("base_url", api_url)
                if not api_url.endswith("/api"):
                    api_url = api_url.rstrip("/") + "/api"
    except:
        pass
    
    root = tk.Tk()
    AdminPanel(root, api_url)
    root.mainloop()


if __name__ == "__main__":
    main()