#!/usr/bin/env python3
"""
Standalone Bundler Script for AI Chat Summaries Plugin.
Generates a 100% self-contained single-file plugin (with ZERO 'src' imports)
for Chaquopy / exteraGram runtime, and verifies Python syntax.
"""

import os
import py_compile
import re
import sys

BASE_DIR = os.path.dirname(os.path.abspath(__file__))
SRC_DIR = os.path.join(BASE_DIR, "src")
DIST_DIR = os.path.join(BASE_DIR, "dist")
DIST_PLUGIN_FILE = os.path.join(DIST_DIR, "ai_chat_summary.plugin")

MODULE_ORDER = [
    os.path.join(SRC_DIR, "config.py"),
    os.path.join(SRC_DIR, "diagnostics.py"),
    os.path.join(SRC_DIR, "localization.py"),
    os.path.join(SRC_DIR, "providers", "base.py"),
    os.path.join(SRC_DIR, "providers", "oauth.py"),
    os.path.join(SRC_DIR, "providers", "custom.py"),
    os.path.join(SRC_DIR, "providers", "builtin.py"),
    os.path.join(SRC_DIR, "providers", "dispatcher.py"),
    os.path.join(SRC_DIR, "services", "summary_db.py"),
    os.path.join(SRC_DIR, "services", "summary_injector.py"),
    os.path.join(SRC_DIR, "services", "message_fetcher.py"),
    os.path.join(SRC_DIR, "ui", "summary_dialog.py"),
    os.path.join(SRC_DIR, "ui", "settings.py"),
    os.path.join(SRC_DIR, "ui", "pre_request.py"),
    os.path.join(SRC_DIR, "hooks", "pinned_hook.py"),
    os.path.join(SRC_DIR, "hooks", "unread_hook.py"),
]

HEADER_CODE = '''"""
AI Chat Summaries Plugin for exteraGram (v3.0.1)
================================================
Advanced AI chat summarizer with ChatGPT OAuth, Custom Providers,
dual triggers.
"""

__id__ = "ai_chat_summaries"
__name__ = "AI Chat Summaries"
__description__ = "Advanced AI chat summarizer with ChatGPT OAuth, Custom Providers, and dual triggers."
__author__ = "@exteraGramDev"
__version__ = "3.0.1"
__icon__ = "msg_bot"
__app_version__ = ">=12.1.1"
__sdk_version__ = ">=1.4.3.3"
__requirements__ = ["requests"]

# Direct metadata aliases for scanners
id = __id__
name = __name__
description = __description__
author = __author__
version = __version__
icon = __icon__

import os
import sys
import time
import json
import re
import random
import secrets
import hashlib
import urllib.parse
import base64
import weakref
import threading
from typing import Any, Callable, Dict, List, Optional, Tuple
from datetime import datetime, timezone
from dataclasses import dataclass

try:
    import requests
except ImportError:
    requests = None

try:
    from base_plugin import BasePlugin, MenuItemData, MenuItemType, XposedHook
    from client_utils import (
        PLUGINS_QUEUE,
        get_last_fragment,
        get_messages_controller,
        run_on_queue,
        send_request,
        RequestCallback,
    )
    from android_utils import run_on_ui_thread, copy_to_clipboard, OnClickListener
    from markdown_utils import parse_markdown
    from ui.settings import Header, Divider, Selector, Input, Switch, Text
    from ui.bulletin import BulletinHelper
    from ui.alert import AlertDialogBuilder
    from hook_utils import find_class, get_private_field
    from org.telegram.tgnet import TLRPC
    from org.telegram.messenger import AndroidUtilities, R
    from org.telegram.ui import LaunchActivity, ChatActivity
    from org.telegram.ui.ActionBar import Theme
    from org.telegram.ui.Components import EditTextBoldCursor
    from android.widget import LinearLayout, TextView, ScrollView, FrameLayout, Button, SeekBar, ProgressBar, ImageView
    from android.view import Gravity, View
except ImportError:
    class BasePlugin:
        def __init__(self): self._settings = {}
        def get_setting(self, k, d=None): return self._settings.get(k, d)
        def set_setting(self, k, v, reload_settings=False): self._settings[k] = v
        def add_menu_item(self, item): pass
        def hook_method(self, m, h): return "hook_ref"
        def unhook_method(self, r): pass

    class MenuItemType:
        CHAT_ACTION_MENU = 1

    class MenuItemData:
        def __init__(self, menu_type=None, text="", subtext="", icon=None, on_click=None):
            self.menu_type = menu_type
            self.text = text
            self.subtext = subtext
            self.icon = icon
            self.on_click = on_click

    class XposedHook:
        def before_hooked_method(self, p): pass
        def after_hooked_method(self, p): pass

    PLUGINS_QUEUE = "plugins_queue"
    def run_on_queue(fn, q=None, delay=0): fn()
    def run_on_ui_thread(fn, delay=0): fn()
    def get_last_fragment(): return None
    def get_messages_controller(): return None
    def send_request(req, cb): pass
    class RequestCallback:
        def __init__(self, cb): self.cb = cb
    def copy_to_clipboard(t): pass
    def parse_markdown(t): return t
    def find_class(c): return None
    def get_private_field(o, f): return None

    class BulletinHelper:
        @staticmethod
        def show_info(msg): pass
        @staticmethod
        def show_success(msg): pass
        @staticmethod
        def show_error(msg): pass
'''

PLUGIN_CLASS_CODE = '''
# ==================== Main Plugin Class ====================

class AIChatSummariesPlugin(BasePlugin):
    """Next-generation AI Chat Summaries plugin for exteraGram."""

    def __init__(self) -> None:
        super().__init__()
        self.oauth_handler = ChatGPTOAuthHandler(self)
        self.custom_handler = CustomAIHandler(self)
        self.dispatcher = UnifiedDispatcher(self)
        self.message_fetcher = MessageFetcher(self)
        self.pinned_hook = PinnedHeaderHook(self)
        self.unread_hook = UnreadBadgeHook(self)
        self.summary_injector = ChatSummaryInjector(self)
        self.is_processing = False

    def on_plugin_load(self) -> None:
        """Called when plugin is loaded into exteraGram."""
        clear()
        install_uncaught_exception_hooks()
        record_fact("plugin.version", PLUGIN_VERSION)
        locali.set_language("auto")
        try:
            self.add_menu_item(
                MenuItemData(
                    menu_type=MenuItemType.CHAT_ACTION_MENU,
                    text=locali.get("PLUGIN_NAME"),
                    icon="msg_bot",
                    on_click=self.on_menu_click,
                )
            )
        except Exception as exc:
            record_error("on_plugin_load:add_menu_item", exc)

        self.pinned_hook.install_hook()
        self.unread_hook.install_hook()
        self.summary_injector.install_hook()
        record_fact(
            "plugin.hooks_installed",
            "pinned=%d unread=%d injector=%d" % (
                len(self.pinned_hook.unhook_refs),
                len(self.unread_hook.unhook_refs),
                len(self.summary_injector.unhook_refs),
            ),
        )

    def on_plugin_unload(self) -> None:
        """Called when plugin is disabled or uninstalled."""
        self.pinned_hook.uninstall_hook()
        self.unread_hook.uninstall_hook()
        self.summary_injector.uninstall_hook()
        uninstall_uncaught_exception_hooks()

    # Aliases for alternate SDK lifecycle naming
    def on_load(self) -> None:
        self.on_plugin_load()

    def on_unload(self) -> None:
        self.on_plugin_unload()

    def has_settings(self) -> bool:
        """Indicates to exteraGram plugin list that this plugin has configurable settings."""
        return True

    def create_settings(self) -> List[Any]:
        """Builds settings page layout."""
        return build_settings_layout(self)

    def on_menu_click(self, context: Any) -> None:
        """Handles chat action bar menu click from exteraGram context dict."""
        try:
            fragment = None
            if isinstance(context, dict):
                fragment = context.get("fragment")
            fragment = fragment or get_last_fragment()
            if not fragment:
                record_fact("menu_click.abort", "no fragment")
                return

            dialog_id, chat_title, topic_id = resolve_chat_context(fragment)
            if not dialog_id and isinstance(context, dict):
                try:
                    dialog_id = int(context.get("dialog_id") or 0)
                except Exception:
                    dialog_id = 0

            record_fact("menu_click.chat", "id=%s title=%r topic=%s" % (dialog_id, chat_title, topic_id))

            if not dialog_id:
                try:
                    BulletinHelper.show_error("AI Summary: cannot resolve current chat")
                except Exception:
                    pass
                return

            show_pre_request_sheet(
                plugin=self,
                dialog_id=dialog_id,
                chat_title=chat_title,
                topic_id=topic_id,
            )
        except Exception as exc:
            record_error("on_menu_click", exc)
            try:
                BulletinHelper.show_error(f"AI Summary menu failed: {type(exc).__name__}: {exc}")
            except Exception:
                pass

    def on_diagnostics_menu_click(self, context: Any) -> None:
        """Copies the diagnostics report straight from the chat menu."""
        try:
            report = build_report()
        except Exception as exc:
            report = f"Failed to build diagnostics report: {type(exc).__name__}: {exc}"
        try:
            copy_to_clipboard(report)
            BulletinHelper.show_success(locali.get("SETTINGS_DIAGNOSTICS_COPIED"))
        except Exception as exc:
            record_error("on_diagnostics_menu_click", exc)

    # ==================== End-to-End Summarization Pipeline ====================

    def start_summarization_pipeline(
        self,
        dialog_id: int,
        chat_title: str = "",
        count: int = 100,
        offset: int = 0,
        style: Optional[int] = None,
        custom_prompt: str = "",
        topic_id: int = 0,
        auto_jump_latest: bool = False,
    ) -> None:
        """Executes full message fetch, context formatting, and AI summarization with offset and auto-jump."""
        if self.is_processing:
            try:
                BulletinHelper.show_info("Summarization is already in progress...")
            except Exception:
                pass
            return

        self.is_processing = True
        chat_act = get_last_fragment()

        try:
            BulletinHelper.show_info(locali.get("PROGRESS_FETCHING"))
        except Exception:
            pass

        def on_messages_fetched(messages: List[Any], fetch_error: Optional[str]) -> None:
            if fetch_error or not messages:
                self._finish_pipeline()
                err_msg = fetch_error or locali.get("ERROR_NO_MESSAGES")
                record_error_message(
                    "pipeline.message_fetch",
                    err_msg,
                    f"Dialog ID: {dialog_id}\\nTopic ID: {topic_id}\\nCount: {count}\\nOffset: {offset}\\nError: {err_msg}",
                )
                def _show_fetch_err():
                    show_error_dialog(
                        title=locali.get("ERROR_TITLE"),
                        error_text=err_msg,
                        debug_log=f"Message Fetch Failed\\nDialog ID: {dialog_id}\\nTopic ID: {topic_id}\\nError: {err_msg}",
                    )
                run_on_ui_thread(guarded("pipeline.show_fetch_error", _show_fetch_err))
                return

            raw_lines = [m.to_transcript_line() for m in messages]
            budgeted_transcript = self.custom_handler.budget_and_chunk_transcript(raw_lines)

            try:
                provider_name = self.dispatcher.get_active_provider().name
                BulletinHelper.show_info(locali.get("PROGRESS_PROCESSING", provider=provider_name))
            except Exception:
                pass

            def _execute_ai():
                start_ts = time.time()
                try:
                    global_prompt = self.get_setting(SETTING_GLOBAL_PROMPT, "")
                    target_style = style if style is not None else int(self.get_setting(SETTING_SUMMARY_STYLE, STYLE_BRIEF) or STYLE_BRIEF)
                    target_lang = int(self.get_setting(SETTING_SUMMARY_LANG, 0) or 0)

                    response = self.dispatcher.run_summary(
                        messages_transcript=budgeted_transcript,
                        chat_title=chat_title,
                        custom_prompt=custom_prompt,
                        style=target_style,
                        lang=target_lang,
                        global_prompt=global_prompt,
                    )
                    elapsed = time.time() - start_ts
                except Exception as exc:
                    self._finish_pipeline()
                    record_error("pipeline.execute_ai", exc)
                    return

                self._finish_pipeline()
                if not response.success:
                    record_error_message(
                        "provider.%s" % (response.provider_name or "unknown"),
                        response.error or "Unknown generation error",
                        response.debug_log or response.error or "Unknown generation error",
                    )

                def _render_result():
                    if response.success:
                        latest_id = messages[-1].id if messages else 0

                        # 1. Save in local SQLite DB and inject rich client-side message directly into chat
                        try:
                            if latest_id:
                                self.summary_injector.save_and_inject_summary(
                                    dialog_id=dialog_id,
                                    anchor_msg_id=latest_id,
                                    count=len(messages),
                                    offset=offset,
                                    summary_text=response.text,
                                    provider_name=response.provider_name,
                                    model_name=response.model,
                                    topic_id=topic_id,
                                    chat_activity=chat_act,
                                )
                        except Exception as exc:
                            record_error("pipeline.inject_summary", exc)

                        # 2. Show native success bulletin notification and jump to latest analyzed message
                        try:
                            BulletinHelper.show_success(
                                locali.get("RESULT_HEADER_INFO", provider=response.provider_name, model=response.model, count=len(messages), time=elapsed),
                                chat_act,
                            )
                        except Exception:
                            pass

                        # Scroll to the latest message in summary
                        try:
                            if latest_id and chat_act:
                                scroll_to_message_in_chat(chat_act, latest_id, topic_id)
                        except Exception:
                            pass
                    else:
                        show_error_dialog(
                            title=locali.get("ERROR_TITLE"),
                            error_text=response.error or "Unknown generation error",
                            debug_log=response.debug_log or response.error,
                        )

                run_on_ui_thread(guarded("pipeline.render_result", _render_result))

            run_on_queue(guarded("pipeline.worker", _execute_ai), PLUGINS_QUEUE)

        try:
            self.message_fetcher.fetch_history(
                dialog_id=dialog_id,
                count=count,
                offset=offset,
                topic_id=topic_id,
                callback=guarded("pipeline.messages_callback", on_messages_fetched),
            )
        except Exception as exc:
            self._finish_pipeline()
            record_error("pipeline.fetch_history", exc)
    def _finish_pipeline(self) -> None:
        """Cleans up in-progress state, sender cache, and pinned header layout."""
        self.is_processing = False
        try:
            self.message_fetcher.clear_sender_cache()
        except Exception as exc:
            record_error("pipeline.clear_sender_cache", exc)

'''
def clean_module_code(code: str) -> str:
    """Strips package imports, __all__, and docstrings for single-file bundling."""
    lines = code.splitlines()
    output = []
    skip_import_block = False

    for line in lines:
        stripped = line.strip()
        if skip_import_block:
            if ")" in stripped:
                skip_import_block = False
            continue

        if re.match(r"^\s*from\s+(\.|\.\.|src\.)", line):
            if "(" in line and ")" not in line:
                skip_import_block = True
            continue

        if re.match(r"^\s*import\s+src\.", line):
            continue

        if line.startswith("__all__ ="):
            continue

        output.append(line)

    return "\n".join(output)


def bundle_plugin():
    os.makedirs(DIST_DIR, exist_ok=True)
    print("Bundling self-contained AI Chat Summaries plugin...")

    bundled_parts = [HEADER_CODE]

    for mod_path in MODULE_ORDER:
        rel_name = os.path.relpath(mod_path, BASE_DIR)
        print(f"  + Packing {rel_name}")
        with open(mod_path, "r", encoding="utf-8") as mf:
            content = mf.read()
        cleaned = clean_module_code(content)
        bundled_parts.append(f"\n# {'='*20} {rel_name} {'='*20}\n")
        bundled_parts.append(cleaned)

    bundled_parts.append(PLUGIN_CLASS_CODE)
    final_content = "\n".join(bundled_parts)

    # Write to both root plugin file and dist plugin file
    with open(DIST_PLUGIN_FILE, "w", encoding="utf-8") as out:
        out.write(final_content)

    print(f"Bundled successfully -> {DIST_PLUGIN_FILE}")

    # Validate syntax with py_compile
    py_compile.compile(DIST_PLUGIN_FILE, doraise=True)
    print("Compiled and validated bundled artifact syntax successfully!")


if __name__ == "__main__":
    bundle_plugin()