#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
设置标签页

管理系统配置（ERP、数据库、浏览器、路径等）。
"""

import tkinter as tk
from tkinter import ttk, messagebox
import pyodbc
from gui.config_manager import ConfigManager
from config.schema import DatabaseType


class SettingsTab(ttk.Frame):
    """设置标签页"""

    def __init__(self, parent, config: ConfigManager):
        """
        初始化设置标签页

        Args:
            parent: 父容器
            config: 配置管理器
        """
        super().__init__(parent)
        self.config = config
        self.create_widgets()
        self.load_settings()

    def create_widgets(self):
        """创建界面组件"""
        # 创建主容器，带滚动条
        canvas = tk.Canvas(self)
        scrollbar = ttk.Scrollbar(self, orient="vertical", command=canvas.yview)
        scrollable_frame = ttk.Frame(canvas)

        scrollable_frame.bind(
            "<Configure>", lambda e: canvas.configure(scrollregion=canvas.bbox("all"))
        )

        canvas.create_window((0, 0), window=scrollable_frame, anchor="nw")
        canvas.configure(yscrollcommand=scrollbar.set)

        # ERP 配置组
        self._create_erp_group(scrollable_frame)

        # 数据库配置组
        self._create_database_group(scrollable_frame)

        # 浏览器配置组
        self._create_browser_group(scrollable_frame)

        # 路径配置组
        self._create_paths_group(scrollable_frame)

        # 处理配置组
        self._create_extraction_group(scrollable_frame)

        # 校验配置组
        self._create_validation_group(scrollable_frame)

        # 按钮区域
        button_frame = ttk.Frame(scrollable_frame)
        button_frame.grid(row=6, column=0, columnspan=2, pady=20, sticky="ew")

        ttk.Button(
            button_frame, text="测试 ERP 连接", command=self.test_erp_connection
        ).pack(side="left", padx=5)
        ttk.Button(
            button_frame, text="测试数据库连接", command=self.test_db_connection
        ).pack(side="left", padx=5)
        ttk.Button(button_frame, text="保存设置", command=self.save_settings).pack(
            side="left", padx=5
        )
        ttk.Button(button_frame, text="恢复默认", command=self.reset_defaults).pack(
            side="left", padx=5
        )

        # 布局
        canvas.grid(row=0, column=0, sticky="nsew")
        scrollbar.grid(row=0, column=1, sticky="ns")

        self.rowconfigure(0, weight=1)
        self.columnconfigure(0, weight=1)

    def _create_erp_group(self, parent):
        """创建 ERP 配置组"""
        group = ttk.LabelFrame(parent, text="ERP 系统配置", padding=10)
        group.grid(row=0, column=0, columnspan=2, pady=10, padx=10, sticky="ew")

        # URL
        ttk.Label(group, text="ERP URL:").grid(row=0, column=0, sticky="w", pady=5)
        self.erp_url_var = tk.StringVar()
        ttk.Entry(group, textvariable=self.erp_url_var, width=50).grid(
            row=0, column=1, pady=5, sticky="ew"
        )

        # 用户名
        ttk.Label(group, text="用户名:").grid(row=1, column=0, sticky="w", pady=5)
        self.erp_username_var = tk.StringVar()
        ttk.Entry(group, textvariable=self.erp_username_var, width=50).grid(
            row=1, column=1, pady=5, sticky="ew"
        )

        # 密码
        ttk.Label(group, text="密码:").grid(row=2, column=0, sticky="w", pady=5)
        self.erp_password_var = tk.StringVar()
        entry = ttk.Entry(group, textvariable=self.erp_password_var, width=50, show="*")
        entry.grid(row=2, column=1, pady=5, sticky="ew")

        group.columnconfigure(1, weight=1)

    def _create_database_group(self, parent):
        """创建数据库配置组"""
        group = ttk.LabelFrame(parent, text="数据库配置", padding=10)
        group.grid(row=1, column=0, columnspan=2, pady=10, padx=10, sticky="ew")

        # 数据库类型选择
        ttk.Label(group, text="数据库类型:").grid(row=0, column=0, sticky="w", pady=5)
        self.db_type_var = tk.StringVar()
        db_type_combo = ttk.Combobox(
            group,
            textvariable=self.db_type_var,
            values=["sqlserver", "mysql"],
            state="readonly",
            width=30,
        )
        db_type_combo.grid(row=0, column=1, sticky="w", pady=5)
        db_type_combo.bind("<<ComboboxSelected>>", self._on_db_type_changed)

        # SQL Server 配置
        self.sqlserver_frame = ttk.Frame(group)
        self.sqlserver_frame.grid(row=1, column=0, columnspan=2, sticky="ew", pady=5)

        ttk.Label(self.sqlserver_frame, text="服务器:").grid(row=0, column=0, sticky="w", pady=5)
        self.db_server_var = tk.StringVar()
        ttk.Entry(self.sqlserver_frame, textvariable=self.db_server_var, width=50).grid(
            row=0, column=1, pady=5, sticky="ew"
        )

        # MySQL 配置
        self.mysql_frame = ttk.Frame(group)

        ttk.Label(self.mysql_frame, text="主机:").grid(row=0, column=0, sticky="w", pady=5)
        self.mysql_host_var = tk.StringVar()
        ttk.Entry(self.mysql_frame, textvariable=self.mysql_host_var, width=50).grid(
            row=0, column=1, pady=5, sticky="ew"
        )

        ttk.Label(self.mysql_frame, text="端口:").grid(row=1, column=0, sticky="w", pady=5)
        self.mysql_port_var = tk.IntVar(value=3306)
        ttk.Spinbox(
            self.mysql_frame, from_=1, to=65535, textvariable=self.mysql_port_var, width=10
        ).grid(row=1, column=1, sticky="w", pady=5)

        # 通用配置（两种数据库都需要）
        ttk.Label(group, text="数据库:").grid(row=2, column=0, sticky="w", pady=5)
        self.db_name_var = tk.StringVar()
        ttk.Entry(group, textvariable=self.db_name_var, width=50).grid(
            row=2, column=1, pady=5, sticky="ew"
        )

        ttk.Label(group, text="用户名:").grid(row=3, column=0, sticky="w", pady=5)
        self.db_username_var = tk.StringVar()
        ttk.Entry(group, textvariable=self.db_username_var, width=50).grid(
            row=3, column=1, pady=5, sticky="ew"
        )

        ttk.Label(group, text="密码:").grid(row=4, column=0, sticky="w", pady=5)
        self.db_password_var = tk.StringVar()
        entry = ttk.Entry(group, textvariable=self.db_password_var, width=50, show="*")
        entry.grid(row=4, column=1, pady=5, sticky="ew")

        group.columnconfigure(1, weight=1)

    def _on_db_type_changed(self, event=None):
        """数据库类型改变时的回调"""
        db_type = self.db_type_var.get()
        if db_type == "mysql":
            self.sqlserver_frame.grid_forget()
            self.mysql_frame.grid(row=1, column=0, columnspan=2, sticky="ew", pady=5)
        else:
            self.mysql_frame.grid_forget()
            self.sqlserver_frame.grid(row=1, column=0, columnspan=2, sticky="ew", pady=5)

    def _create_browser_group(self, parent):
        """创建浏览器配置组"""
        group = ttk.LabelFrame(parent, text="浏览器设置", padding=10)
        group.grid(row=2, column=0, pady=10, padx=10, sticky="ew")

        self.browser_headless_var = tk.BooleanVar()
        ttk.Checkbutton(
            group, text="无头模式 (不显示浏览器)", variable=self.browser_headless_var
        ).grid(row=0, column=0, sticky="w", pady=5)

        self.browser_ignore_https_var = tk.BooleanVar()
        ttk.Checkbutton(
            group, text="忽略 HTTPS 错误", variable=self.browser_ignore_https_var
        ).grid(row=1, column=0, sticky="w", pady=5)

        self.browser_auto_close_var = tk.BooleanVar()
        ttk.Checkbutton(
            group, text="操作完成后自动关闭浏览器", variable=self.browser_auto_close_var
        ).grid(row=2, column=0, sticky="w", pady=5)

    def _create_paths_group(self, parent):
        """创建路径配置组"""
        group = ttk.LabelFrame(parent, text="路径设置", padding=10)
        group.grid(row=2, column=1, pady=10, padx=10, sticky="nsew")

        from gui.widgets import FileSelector

        # 数据目录
        ttk.Label(group, text="数据目录:").grid(row=0, column=0, sticky="w", pady=5)
        self.data_dir_selector = FileSelector(
            group,
            label_text="",
            file_type="directory",
            initial_dir="D:/python/playwrite/data/",
        )
        self.data_dir_selector.grid(row=1, column=0, columnspan=2, sticky="ew", pady=5)

        # 默认输出文件
        ttk.Label(group, text="默认输出文件:").grid(row=2, column=0, sticky="w", pady=5)
        self.default_output_var = tk.StringVar()
        ttk.Entry(group, textvariable=self.default_output_var, width=40).grid(
            row=3, column=0, columnspan=2, sticky="ew", pady=5
        )

        group.columnconfigure(0, weight=1)

    def _create_extraction_group(self, parent):
        """创建处理配置组"""
        group = ttk.LabelFrame(parent, text="数据提取设置", padding=10)
        group.grid(row=3, column=0, columnspan=2, pady=10, padx=10, sticky="ew")

        # 批次大小
        ttk.Label(group, text="批次大小:").grid(row=0, column=0, sticky="w", pady=5)
        self.batch_size_var = tk.IntVar(value=100)
        ttk.Spinbox(
            group, from_=10, to=500, textvariable=self.batch_size_var, width=10
        ).grid(row=0, column=1, sticky="w", pady=5)

        # 详细日志
        self.verbose_var = tk.BooleanVar()
        ttk.Checkbutton(group, text="启用详细日志", variable=self.verbose_var).grid(
            row=1, column=0, columnspan=2, sticky="w", pady=5
        )

        # 自动转换
        self.auto_convert_var = tk.BooleanVar()
        ttk.Checkbutton(
            group, text="自动转换 Excel 格式", variable=self.auto_convert_var
        ).grid(row=2, column=0, columnspan=2, sticky="w", pady=5)

        # 合并批次
        self.merge_batches_var = tk.BooleanVar()
        ttk.Checkbutton(
            group, text="自动合并批次数据", variable=self.merge_batches_var
        ).grid(row=3, column=0, columnspan=2, sticky="w", pady=5)

        # 数据库持久化
        self.enable_db_persistence_var = tk.BooleanVar()
        ttk.Checkbutton(
            group, text="保存到数据库", variable=self.enable_db_persistence_var
        ).grid(row=4, column=0, columnspan=2, sticky="w", pady=5)

    def _create_validation_group(self, parent):
        """创建物料校验配置组"""
        group = ttk.LabelFrame(parent, text="物料校验设置", padding=10)
        group.grid(row=4, column=0, columnspan=2, pady=10, padx=10, sticky="ew")

        # 数据源选择
        ttk.Label(group, text="默认数据源:").grid(row=0, column=0, sticky="w", pady=5)
        self.validation_data_source_var = tk.StringVar()
        data_source_combo = ttk.Combobox(
            group,
            textvariable=self.validation_data_source_var,
            values=["database_full", "database_filtered", "excel_existing", "excel_full"],
            state="readonly",
            width=30,
        )
        data_source_combo.grid(row=0, column=1, sticky="w", pady=5)

        # 使用数据库
        self.validation_use_database_var = tk.BooleanVar()
        ttk.Checkbutton(
            group, text="使用数据库作为数据源", variable=self.validation_use_database_var
        ).grid(row=1, column=0, columnspan=2, sticky="w", pady=5)

        # 批次大小
        ttk.Label(group, text="数据库批次大小:").grid(row=2, column=0, sticky="w", pady=5)
        self.validation_batch_size_var = tk.IntVar(value=2000)
        ttk.Spinbox(
            group, from_=100, to=2000, textvariable=self.validation_batch_size_var, width=10
        ).grid(row=2, column=1, sticky="w", pady=5)

        # 匹配模式
        ttk.Label(group, text="匹配模式:").grid(row=3, column=0, sticky="w", pady=5)
        self.validation_match_mode_var = tk.StringVar()
        match_mode_combo = ttk.Combobox(
            group,
            textvariable=self.validation_match_mode_var,
            values=["substring", "exact"],
            state="readonly",
            width=30,
        )
        match_mode_combo.grid(row=3, column=1, sticky="w", pady=5)

        # CRUD 操作
        self.validation_enable_crud_var = tk.BooleanVar()
        ttk.Checkbutton(
            group, text="启用 CRUD 操作（管理待删除物料）", variable=self.validation_enable_crud_var
        ).grid(row=4, column=0, columnspan=2, sticky="w", pady=5)

        # 默认负责人
        ttk.Label(group, text="默认负责人:").grid(row=5, column=0, sticky="w", pady=5)
        self.validation_default_manager_var = tk.StringVar()
        ttk.Entry(group, textvariable=self.validation_default_manager_var, width=30).grid(
            row=5, column=1, sticky="w", pady=5
        )

        group.columnconfigure(1, weight=1)

    def load_settings(self):
        """从配置加载设置到界面"""
        # ERP 设置
        self.erp_url_var.set(self.config.get("erp.url", ""))
        self.erp_username_var.set(self.config.get("erp.username", ""))
        self.erp_password_var.set(self.config.get("erp.password", ""))

        # 数据库设置
        db_type = self.config.get("database.db_type", "sqlserver")
        self.db_type_var.set(db_type)

        if db_type == "mysql":
            self.db_server_var.set(self.config.get("database.server", ""))
            self.mysql_host_var.set(self.config.get("database.mysql.host", ""))
            self.mysql_port_var.set(self.config.get("database.mysql.port", 3306))
        else:
            self.db_server_var.set(self.config.get("database.server", ""))

        self.db_name_var.set(self.config.get("database.database", ""))
        self.db_username_var.set(self.config.get("database.username", ""))
        self.db_password_var.set(self.config.get("database.password", ""))

        # 更新界面显示
        self._on_db_type_changed()

        # 浏览器设置（已合并到 ERP 配置中）
        self.browser_headless_var.set(self.config.get("erp.headless", True))
        self.browser_ignore_https_var.set(
            self.config.get("erp.ignore_https_errors", True)
        )
        self.browser_auto_close_var.set(self.config.get("erp.auto_close_browser", True))

        # 路径设置
        self.data_dir_selector.set(self.config.get("paths.data_dir", ""))
        self.default_output_var.set(self.config.get("paths.default_output", ""))

        # 处理设置
        self.batch_size_var.set(self.config.get("extraction.batch_size", 100))
        self.verbose_var.set(self.config.get("extraction.verbose", True))
        self.auto_convert_var.set(self.config.get("extraction.auto_convert", True))
        self.merge_batches_var.set(self.config.get("extraction.merge_batches", True))
        self.enable_db_persistence_var.set(self.config.get("extraction.enable_db_persistence", False))

        # 校验设置
        self.validation_data_source_var.set(self.config.get("validation.data_source", "database_full"))
        self.validation_use_database_var.set(self.config.get("validation.use_database", True))
        self.validation_batch_size_var.set(self.config.get("validation.batch_size", 2000))
        self.validation_match_mode_var.set(self.config.get("validation.match_mode", "substring"))
        self.validation_enable_crud_var.set(self.config.get("validation.enable_crud_operations", False))
        self.validation_default_manager_var.set(self.config.get("validation.default_manager", ""))

    def save_settings(self):
        """保存界面设置到配置"""
        # ERP 设置
        self.config.set("erp.url", self.erp_url_var.get())
        self.config.set("erp.username", self.erp_username_var.get())
        self.config.set("erp.password", self.erp_password_var.get())

        # 数据库设置
        db_type = self.db_type_var.get()
        self.config.set("database.db_type", db_type)

        if db_type == "mysql":
            # MySQL: 使用 host 字段
            self.config.set("database.server", self.mysql_host_var.get())
            self.config.set("database.mysql.host", self.mysql_host_var.get())
            self.config.set("database.mysql.port", self.mysql_port_var.get())
        else:
            # SQL Server: 使用 server 字段
            self.config.set("database.server", self.db_server_var.get())

        self.config.set("database.database", self.db_name_var.get())
        self.config.set("database.username", self.db_username_var.get())
        self.config.set("database.password", self.db_password_var.get())

        # 浏览器设置（已合并到 ERP 配置中）
        self.config.set("erp.headless", self.browser_headless_var.get())
        self.config.set("erp.ignore_https_errors", self.browser_ignore_https_var.get())
        self.config.set("erp.auto_close_browser", self.browser_auto_close_var.get())

        # 路径设置
        self.config.set("paths.data_dir", self.data_dir_selector.get())
        self.config.set("paths.default_output", self.default_output_var.get())

        # 处理设置
        self.config.set("extraction.batch_size", self.batch_size_var.get())
        self.config.set("extraction.verbose", self.verbose_var.get())
        self.config.set("extraction.auto_convert", self.auto_convert_var.get())
        self.config.set("extraction.merge_batches", self.merge_batches_var.get())
        self.config.set("extraction.enable_db_persistence", self.enable_db_persistence_var.get())

        # 校验设置
        self.config.set("validation.data_source", self.validation_data_source_var.get())
        self.config.set("validation.use_database", self.validation_use_database_var.get())
        self.config.set("validation.batch_size", self.validation_batch_size_var.get())
        self.config.set("validation.match_mode", self.validation_match_mode_var.get())
        self.config.set("validation.enable_crud_operations", self.validation_enable_crud_var.get())
        self.config.set("validation.default_manager", self.validation_default_manager_var.get())

        # 保存到文件
        if self.config.save():
            messagebox.showinfo("成功", "设置已保存")
        else:
            messagebox.showerror("错误", "保存设置失败")

    def test_db_connection(self):
        """测试数据库连接"""
        db_type = self.db_type_var.get()

        try:
            if db_type == "mysql":
                import mysql.connector
                from mysql.connector import Error

                conn = mysql.connector.connect(
                    host=self.mysql_host_var.get(),
                    port=self.mysql_port_var.get(),
                    database=self.db_name_var.get(),
                    user=self.db_username_var.get(),
                    password=self.db_password_var.get(),
                    connection_timeout=5
                )
                conn.close()
                messagebox.showinfo("成功", "MySQL 数据库连接测试成功！")
            else:
                conn_str = (
                    f"DRIVER={{ODBC Driver 18 for SQL Server}};"
                    f"SERVER={self.db_server_var.get()};"
                    f"DATABASE={self.db_name_var.get()};"
                    f"UID={self.db_username_var.get()};"
                    f"PWD={self.db_password_var.get()};"
                    f"TrustServerCertificate=yes;"
                )
                conn = pyodbc.connect(conn_str, timeout=5)
                conn.close()
                messagebox.showinfo("成功", "SQL Server 数据库连接测试成功！")

        except ImportError:
            if db_type == "mysql":
                messagebox.showerror("错误", "未安装 mysql-connector-python，请运行：\npip install mysql-connector-python")
            else:
                messagebox.showerror("错误", "未安装 pyodbc，请运行：\npip install pyodbc")
        except Exception as e:
            messagebox.showerror("错误", f"数据库连接失败：\n{str(e)}")

    def test_erp_connection(self):
        """测试 ERP 连接"""
        # ERP 连接测试需要实际启动浏览器
        messagebox.showinfo("提示", "ERP 连接测试将在数据提取功能中自动验证")

    def reset_defaults(self):
        """恢复默认设置"""
        if messagebox.askyesno("确认", "确定要恢复默认设置吗？这将覆盖 .env 文件中的所有配置。"):
            from config.schema import AppConfig
            self.config.config = AppConfig.from_env()  # 重新加载默认配置
            self.config.save()
            self.load_settings()
            messagebox.showinfo("成功", "已恢复默认设置")