"""Build Mode Editor — управление режимами сборки"""

import os
import json
from typing import Dict
from .config import BUILD_MODES_FILE

class BuildModeEditor:
    def __init__(self, state):
        self.state = state
    
    def list_modes(self) -> str:
        modes = self._load_all_modes()
        if not modes:
            return "📋 Нет сохранённых режимов сборки"
        lines = ["📋 Режимы сборки:"]
        for name, config in modes.items():
            lines.append(f"- {name}: {config.get('description', 'No description')}")
        return "\n".join(lines)
    
    def show_mode(self, mode_name: str) -> str:
        modes = self._load_all_modes()
        mode = modes.get(mode_name)
        if not mode:
            return f"❌ Режим '{mode_name}' не найден"
        return f"📋 {mode_name}:\n```json\n{json.dumps(mode, ensure_ascii=False, indent=2)}\n```"
    
    def save_mode(self, mode_name: str, config: Dict = None) -> str:
        modes = self._load_all_modes()
        if config is None:
            config = dict(self.state.build_context)
            config["description"] = f"Mode created {datetime.now().isoformat()}"
        modes[mode_name] = config
        try:
            with open(BUILD_MODES_FILE, "w", encoding="utf-8") as f:
                json.dump(modes, f, ensure_ascii=False, indent=2)
            return f"✅ Режим '{mode_name}' сохранён"
        except Exception as e:
            return f"❌ Ошибка сохранения: {e}"
    
    def load_mode(self, mode_name: str) -> str:
        modes = self._load_all_modes()
        mode = modes.get(mode_name)
        if not mode:
            return f"❌ Режим '{mode_name}' не найден"
        self.state.build_context.update(mode)
        return f"✅ Режим '{mode_name}' загружен"
    
    def delete_mode(self, mode_name: str) -> str:
        modes = self._load_all_modes()
        if mode_name not in modes:
            return f"❌ Режим '{mode_name}' не найден"
        del modes[mode_name]
        try:
            with open(BUILD_MODES_FILE, "w", encoding="utf-8") as f:
                json.dump(modes, f, ensure_ascii=False, indent=2)
            return f"🗑️ Режим '{mode_name}' удалён"
        except Exception as e:
            return f"❌ Ошибка удаления: {e}"
    
    def _load_all_modes(self) -> Dict:
        if not os.path.exists(BUILD_MODES_FILE):
            return {}
        try:
            with open(BUILD_MODES_FILE, "r", encoding="utf-8") as f:
                return json.load(f)
        except:
            return {}