"""Build Mode Editor — управление режимами сборки"""
import os
import json
import logging
from datetime import datetime
from typing import Dict
from .config import BUILD_MODES_FILE

class BuildModeEditor:
    def __init__(self, state):
        self.state = state
        self.logger = logging.getLogger(__name__)

    def list_modes(self) -> str:
        modes = self._load_all_modes()
        if not modes:
            return (
                "╭───────────────────╮\n"
                " │ 🗃️ ᴀʀᴄʜɪᴠᴇ ᴏғ ʙᴜɪʟᴅ ᴍᴏᴅᴇs │\n"
                "╰───────────────────╯\n\n"
                "⊘ Empty...\n"
                "Create your first mode: `/build mode save <name>`"
            )
        lines = ["╭───────────────────────────╮\n │ 🗃️ ᴀʀᴄʜɪᴠᴇ ᴏғ ʙᴜɪʟᴅ ᴍᴏᴅᴇs │\n╰───────────────────────────╯\n"]
        for name, config in modes.items():
            desc = config.get('description', 'No description')
            lines.append(f"▸ {name}: {desc[:50]}...")
        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"▸ ✗ ᴇʀʀᴏʀ\n『{mode_name}』 not found in the archive.\nCheck spelling: `/build mode list`"
        return (
            f"╭───────────────────╮\n"
            f" │ 📋 {mode_name.upper()} ᴍᴏᴅᴇ │\n"
            "├───────────────────┤\n"
            f"```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"▸ ✓ ᴅɪᴅ sᴀᴠᴇ\n『{mode_name}』 saved to archive.\nLoad it anytime: `/build mode load {mode_name}`"
        except Exception as e:
            self.logger.error(f"Failed to save mode {mode_name}: {e}")
            return f"▸ ⚠️ ᴇʀʀᴏʀ\n『{mode_name}』 save failed: {str(e)[:100]}..."

    def load_mode(self, mode_name: str) -> str:
        modes = self._load_all_modes()
        mode = modes.get(mode_name)
        if not mode:
            return f"▸ ✗ ᴇʀʀᴏʀ\n『{mode_name}』 not found in the archive."
        self.state.build_context.update(mode)
        return f"▸ ✓ ᴍᴏᴅᴇ ʟᴏᴀᴅᴇᴅ\n『{mode_name}』 activated."

    def delete_mode(self, mode_name: str) -> str:
        modes = self._load_all_modes()
        if mode_name not in modes:
            return f"▸ ✗ ᴇʀʀᴏʀ\n『{mode_name}』 not found. Nothing to delete."
        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"▸ ☢️ ᴅᴇʟᴇᴛᴇᴅ\n『{mode_name}』 removed from archive."
        except Exception as e:
            self.logger.error(f"Failed to delete mode {mode_name}: {e}")
            return f"▸ ⚠️ ᴇʀʀᴏʀ\n『{mode_name}』 deletion failed: {str(e)[:100]}..."

    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 Exception as e:
            self.logger.error(f"Failed to load build modes: {e}")
            return {}