#!/usr/bin/env python
# -*- coding: utf-8 -*-

import os
import time
import random
import argparse
import json
from datetime import datetime
import sys
import traceback
# sys.path.append('/root/autodl-tmp') # No longer needed if running as a module or if path is set correctly
# 从本地模块导入
# from TravelContentCreator.core.ai_agent import AI_Agent # Remove project name prefix
# from TravelContentCreator.core.topic_parser import TopicParser # Remove project name prefix
# ResourceLoader is now used implicitly via PromptManager
# from TravelContentCreator.utils.resource_loader import ResourceLoader 
# from TravelContentCreator.utils.prompt_manager import PromptManager # Remove project name prefix
# from ..core import contentGen as core_contentGen # Change to absolute import
# from ..core import posterGen as core_posterGen # Change to absolute import
# from ..core import simple_collage as core_simple_collage # Change to absolute import
from core.ai_agent import AI_Agent
from core.topic_parser import TopicParser
from utils.prompt_manager import PromptManager # Keep this as it's importing from the same level package 'utils'
from core import contentGen as core_contentGen
from core import posterGen as core_posterGen
from core import simple_collage as core_simple_collage

class tweetTopic:
    def __init__(self, index, date, logic, object, product, product_logic, style, style_logic, target_audience, target_audience_logic):
        self.index = index
        self.date = date
        self.logic = logic
        self.object = object
        self.product = product
        self.product_logic = product_logic
        self.style = style
        self.style_logic = style_logic
        self.target_audience = target_audience
        self.target_audience_logic = target_audience_logic
    
class tweetTopicRecord:
    def __init__(self, topics_list, system_prompt, user_prompt, output_dir, run_id):
        self.topics_list = topics_list
        self.system_prompt = system_prompt
        self.user_prompt = user_prompt
        self.output_dir = output_dir
        self.run_id = run_id
    
    def save_topics(self, path):
        try:
            with open(path, "w", encoding="utf-8") as f:
                json.dump(self.topics_list, f, ensure_ascii=False, indent=4)
        except Exception as e:
            print(f"保存选题失败: {e}")
            return False
        return True
    
    def save_prompt(self, path):
        try:
            with open(path, "w", encoding="utf-8") as f:
                f.write(self.system_prompt + "\n")
                f.write(self.user_prompt + "\n")
                f.write(self.output_dir + "\n")
                f.write(self.run_id + "\n")
        except Exception as e:
            print(f"保存提示词失败: {e}")
            return False
        return True
    
class tweetContent:
    def __init__(self, result, prompt, output_dir, run_id, article_index, variant_index):
        self.result = result
        self.prompt = prompt
        self.output_dir = output_dir
        self.run_id = run_id
        self.article_index = article_index
        self.variant_index = variant_index
        
        self.title, self.content = self.split_content(result)
        self.json_file = self.gen_result_json()
    def split_content(self, result):
        ## remove <\think>
        result = result.split("</think>")[1]
        ## get tile
        title = result.split("title>")[1].split("</title>")[0]
        ## get content
        content = result.split("content>")[1].split("</content>")[0]
        return title, content

    def gen_result_json(self):
        json_file = {
            "title": self.title,
            "content": self.content
        }
        return json_file
    
    def save_content(self, json_path):
        with open(json_path, "w", encoding="utf-8") as f:
            json.dump(self.json_file, f, ensure_ascii=False, indent=4)
        return json_path
    
    def save_prompt(self, path):
        with open(path, "w", encoding="utf-8") as f:
            f.write(self.prompt + "\n")
        return path
    
    def get_content(self):
        return self.content
    
    def get_title(self):
        return self.title
    
    def get_json_file(self):
        return self.json_file
    
    
def generate_topics(ai_agent, system_prompt, user_prompt, output_dir, temperature=0.2, top_p=0.5, presence_penalty=1.5):
    """生成选题列表"""
    print("开始生成选题...")
    
    # 记录开始时间
    time_start = time.time()
    
    # 生成选题
    result, system_prompt, user_prompt, file_folder, file_name, tokens, time_cost = ai_agent.work(
        system_prompt, user_prompt, "", temperature, top_p, presence_penalty
    )
    
    # 计算总耗时
    time_end = time.time()
    print(f"选题生成完成，耗时：{time_end - time_start}秒")
    
    # 生成唯一ID
    run_id = datetime.now().strftime("%Y-%m-%d_%H-%M-%S")
    
    # 解析选题
    result_list = TopicParser.parse_topics(result)
    # success, json_path = TopicParser.save_topics(result_list, output_dir, run_id, result)
    
    tweet_topic_record = tweetTopicRecord(result_list, system_prompt, user_prompt, output_dir, run_id)
    
    return run_id, tweet_topic_record


def generate_single_content(ai_agent, system_prompt, user_prompt, item, output_dir, run_id, 
                           article_index, variant_index, temperature=0.3, top_p=0.4, presence_penalty=1.5):
    """生成单篇文章内容. Requires prompts to be passed in."""
    try:
        # Prompts are now passed directly as arguments
        # No longer build user_prompt here
        # user_prompt = ResourceLoader.build_user_prompt(item, prompts_dir, resource_dir)
        
        if not system_prompt or not user_prompt:
            print("Error: System or User prompt is empty. Cannot generate content.")
            return None, None
            
        print(f"Using pre-constructed prompts. User prompt length: {len(user_prompt)}")
        
        # 添加随机停顿，避免请求过于频繁
        time.sleep(random.random() * 0.5 + 0.1)
        
        # 生成文章
        result, _, _, _, _, tokens, time_cost = ai_agent.work(
            system_prompt, user_prompt, "", temperature, top_p, presence_penalty
        )
        
        print(f"生成完成，tokens: {tokens}, 耗时: {time_cost}s")

        # 保存到单独文件
        tweet_content = tweetContent(result, user_prompt, output_dir, run_id, article_index, variant_index)
        result_dir = os.path.join(output_dir, f"{article_index}_{variant_index}")
        os.makedirs(result_dir, exist_ok=True)
        tweet_content.save_content(os.path.join(result_dir, "article.json"))
        tweet_content.save_prompt(os.path.join(result_dir, "tweet_prompt.txt"))
        
        return tweet_content, result
    except Exception as e:
        print(f"生成单篇文章时出错: {e}")
        return None, None

def generate_content(ai_agent, system_prompt, topics, output_dir, run_id, prompts_dir, resource_dir,
                    variants=2, temperature=0.3, start_index=0, end_index=None):
    """根据选题生成内容"""
    if not topics:
        print("没有选题，无法生成内容")
        return
    
    # 确定处理范围
    if end_index is None or end_index > len(topics):
        end_index = len(topics)
    
    topics_to_process = topics[start_index:end_index]
    print(f"准备处理{len(topics_to_process)}个选题...")
    
    # 创建汇总文件
    # summary_file = ResourceLoader.create_summary_file(output_dir, run_id, len(topics_to_process))
    
    # 处理每个选题
    processed_results = []
    for i, item in enumerate(topics_to_process):
        print(f"处理第 {i+1}/{len(topics_to_process)} 篇文章")
        
        # 为每个选题生成多个变体
        for j in range(variants):
            print(f"正在生成变体 {j+1}/{variants}")
            
            # 调用单篇文章生成函数
            tweet_content, result = generate_single_content(
                ai_agent, system_prompt, item, output_dir, run_id, i+1, j+1, temperature
            )
            
            if tweet_content:
                processed_results.append(tweet_content)
                
                # # 更新汇总文件 (仅保存第一个变体到汇总文件)
                # if j == 0:
                #     ResourceLoader.update_summary(summary_file, i+1, user_prompt, result)
    
    print(f"完成{len(processed_results)}篇文章生成")
    return processed_results


def prepare_topic_generation(
    config # Pass the whole config dictionary now
    # select_date, select_num,
    # system_prompt_path, user_prompt_path,
    # base_url="vllm", model_name="qwenQWQ", api_key="EMPTY",
    # gen_prompts_path="/root/autodl-tmp/TravelContentCreator/genPrompts",
    # resource_dir="/root/autodl-tmp/TravelContentCreator/resource",
    # output_dir="/root/autodl-tmp/TravelContentCreator/result"
):
    """准备选题生成的环境和参数. Returns agent and prompts."""
    
    # Initialize PromptManager
    prompt_manager = PromptManager(config)
    
    # Get prompts using PromptManager
    system_prompt, user_prompt = prompt_manager.get_topic_prompts()
    
    if not system_prompt or not user_prompt:
        print("Error: Failed to get topic generation prompts.")
        return None, None, None, None
    
    # 创建AI Agent (still create agent here for the topic generation phase)
    try:
         print("Initializing AI Agent for topic generation...")
         ai_agent = AI_Agent(config["api_url"], config["model"], config["api_key"])
    except Exception as e:
         print(f"Error initializing AI Agent for topic generation: {e}")
         traceback.print_exc()
         return None, None, None, None
         
    # Removed prompt loading/building logic, now handled by PromptManager
    
    # Return agent and the generated prompts
    return ai_agent, system_prompt, user_prompt, config["output_dir"]

def run_topic_generation_pipeline(config):
    """Runs the complete topic generation pipeline based on the configuration."""
    print("Step 1: Generating Topics...")
    
    # Prepare necessary inputs and the AI agent for topic generation
    ai_agent, system_prompt, user_prompt, base_output_dir = None, None, None, None
    try:
        # Pass the config directly to prepare_topic_generation
        ai_agent, system_prompt, user_prompt, base_output_dir = prepare_topic_generation(config)
        
        if not ai_agent or not system_prompt or not user_prompt:
             raise ValueError("Failed to prepare topic generation (agent or prompts missing).")
             
    except Exception as e:
        print(f"Error during topic generation preparation: {e}")
        traceback.print_exc()
        return None, None

    # Generate topics using the prepared agent and prompts
    try:
        run_id, tweet_topic_record = generate_topics(
            ai_agent, system_prompt, user_prompt, config["output_dir"],
            config.get("topic_temperature", 0.2), 
            config.get("topic_top_p", 0.5), 
            config.get("topic_max_tokens", 1.5) # Consider if max_tokens name is accurate here (was presence_penalty?)
        )
    except Exception as e:
        print(f"Error during topic generation API call: {e}")
        traceback.print_exc()
        if ai_agent: ai_agent.close() # Ensure agent is closed on error
        return None, None

    # Ensure the AI agent is closed after generation
    if ai_agent:
        ai_agent.close()

    # Process results
    if not run_id or not tweet_topic_record:
        print("Topic generation failed (no run_id or topics returned).")
        return None, None

    output_dir = os.path.join(config["output_dir"], run_id)
    try:
        os.makedirs(output_dir, exist_ok=True)
        # Save topics and prompt details
        save_topics_success = tweet_topic_record.save_topics(os.path.join(output_dir, "tweet_topic.json"))
        save_prompt_success = tweet_topic_record.save_prompt(os.path.join(output_dir, "tweet_prompt.txt"))
        if not save_topics_success or not save_prompt_success:
             print("Warning: Failed to save topic generation results or prompts.")
             # Continue but warn user

    except Exception as e:
        print(f"Error saving topic generation results: {e}")
        traceback.print_exc()
        # Return the generated data even if saving fails, but maybe warn more strongly?
        # return run_id, tweet_topic_record # Decide if partial success is okay
        return None, None # Or consider failure if saving is critical

    print(f"Topics generated successfully. Run ID: {run_id}")
    return run_id, tweet_topic_record

# --- Decoupled Functional Units (Moved from main.py) --- 

def generate_content_for_topic(ai_agent, prompt_manager, config, topic_item, output_dir, run_id, topic_index):
    """Generates all content variants for a single topic item.

    Args:
        ai_agent: An initialized AI_Agent instance.
        prompt_manager: An initialized PromptManager instance.
        config: The global configuration dictionary.
        topic_item: The dictionary representing a single topic.
        output_dir: The base output directory for the entire run (e.g., ./result).
        run_id: The ID for the current run.
        topic_index: The 1-based index of the current topic.

    Returns:
        A list of tweet content data (dictionaries) generated for the topic, 
        or None if generation failed.
    """
    print(f"  Generating content for Topic {topic_index}...")
    tweet_content_list = []
    variants = config.get("variants", 1)

    for j in range(variants):
        variant_index = j + 1
        print(f"    Generating Variant {variant_index}/{variants}...")

        # Get prompts for this specific topic item
        # Assuming prompt_manager is correctly initialized and passed
        content_system_prompt, content_user_prompt = prompt_manager.get_content_prompts(topic_item)

        if not content_system_prompt or not content_user_prompt:
            print(f"    Skipping Variant {variant_index} due to missing content prompts.")
            continue # Skip this variant

        time.sleep(random.random() * 0.5)
        try:
            # Call the core generation function (generate_single_content is in this file)
            tweet_content, gen_result = generate_single_content(
                ai_agent, content_system_prompt, content_user_prompt, topic_item,
                # Pass the base output_dir, run_id etc. generate_single_content creates subdirs
                output_dir, run_id, topic_index, variant_index, 
                config.get("content_temperature", 0.3)
            )
            if tweet_content:
                tweet_content_data = tweet_content.get_json_file()
                if tweet_content_data:
                    tweet_content_list.append(tweet_content_data)
                else:
                    print(f"    Warning: generate_single_content for Topic {topic_index}, Variant {variant_index} returned empty data.")
            else:
                print(f"    Failed to generate content for Topic {topic_index}, Variant {variant_index}. Skipping.")
        except Exception as e:
            print(f"    Error during content generation for Topic {topic_index}, Variant {variant_index}: {e}")
            # traceback.print_exc()

    if not tweet_content_list:
        print(f"  No valid content generated for Topic {topic_index}.")
        return None
    else:
        print(f"  Successfully generated {len(tweet_content_list)} content variants for Topic {topic_index}.")
        return tweet_content_list

def generate_posters_for_topic(config, topic_item, tweet_content_list, output_dir, run_id, topic_index):
    """Generates all posters for a single topic item based on its generated content.
    
    Args:
        config: The global configuration dictionary.
        topic_item: The dictionary representing a single topic.
        tweet_content_list: List of content data generated by generate_content_for_topic.
        output_dir: The base output directory for the entire run (e.g., ./result).
        run_id: The ID for the current run.
        topic_index: The 1-based index of the current topic.
        
    Returns:
        True if poster generation was attempted (regardless of individual variant success),
        False if setup failed before attempting variants.
    """
    print(f"  Generating posters for Topic {topic_index}...")
    
    # Initialize necessary generators here, assuming they are stateless or cheap to create
    # Alternatively, pass initialized instances if they hold state or are expensive
    try:
        content_gen_instance = core_contentGen.ContentGenerator()
        poster_gen_instance = core_posterGen.PosterGenerator()
    except Exception as e:
         print(f"    Error initializing generators for poster creation: {e}")
         return False
         
    # --- Setup: Paths and Object Name ---
    image_base_dir = config.get("image_base_dir") 
    if not image_base_dir:
         print("    Error: image_base_dir missing in config for poster generation.")
         return False
    modify_image_subdir = config.get("modify_image_subdir", "modify")
    camera_image_subdir = config.get("camera_image_subdir", "相机")
    
    object_name = topic_item.get("object", "")
    if not object_name:
        print("    Warning: Topic object name is missing. Cannot generate posters.")
        return False

    # Clean object name
    try:
        object_name_cleaned = object_name.split(".")[0].replace("景点信息-", "").strip()
        if not object_name_cleaned:
            print(f"    Warning: Object name '{object_name}' resulted in empty string after cleaning. Skipping posters.")
            return False
        object_name = object_name_cleaned
    except Exception as e:
        print(f"    Warning: Could not fully clean object name '{object_name}': {e}. Skipping posters.")
        return False
        
    # Construct and check image paths
    input_img_dir_path = os.path.join(image_base_dir, modify_image_subdir, object_name)
    camera_img_dir_path = os.path.join(image_base_dir, camera_image_subdir, object_name)
    description_file_path = os.path.join(camera_img_dir_path, "description.txt")

    if not os.path.exists(input_img_dir_path) or not os.path.isdir(input_img_dir_path):
        print(f"    Image directory not found or not a directory: '{input_img_dir_path}'. Skipping posters for this topic.")
        return False

    info_directory = []
    if os.path.exists(description_file_path):
        info_directory = [description_file_path]
        print(f"    Using description file: {description_file_path}")
    else:
        print(f"    Description file not found: '{description_file_path}'. Using generated content for poster text.")
        
    # --- Generate Text Configurations for All Variants ---
    try:
        poster_text_configs_raw = content_gen_instance.run(info_directory, config["variants"], tweet_content_list)
        if not poster_text_configs_raw:
             print("    Warning: ContentGenerator returned empty configuration data. Skipping posters.")
             return False 
        poster_config_summary = core_posterGen.PosterConfig(poster_text_configs_raw)
    except Exception as e:
        print(f"    Error running ContentGenerator or parsing poster configs: {e}")
        traceback.print_exc()
        return False # Cannot proceed if text config fails
        
    # --- Poster Generation Loop for each variant ---
    poster_num = config.get("variants", 1)
    target_size = tuple(config.get("poster_target_size", [900, 1200]))
    any_poster_attempted = False
    text_possibility = config.get("text_possibility", 0.3) # Get from config

    for j_index in range(poster_num):
        variant_index = j_index + 1
        print(f"      Generating Poster {variant_index}/{poster_num}...")
        any_poster_attempted = True
        try:
            poster_config = poster_config_summary.get_config_by_index(j_index)
            if not poster_config:
                print(f"      Warning: Could not get poster config for index {j_index}. Skipping.")
                continue

            # Define output directories for this specific variant
            run_output_dir = os.path.join(output_dir, run_id) # Base dir for the run
            variant_output_dir = os.path.join(run_output_dir, f"{topic_index}_{variant_index}") 
            collage_output_dir = os.path.join(variant_output_dir, "collage_img")
            poster_output_dir = os.path.join(variant_output_dir, "poster")
            os.makedirs(collage_output_dir, exist_ok=True)
            os.makedirs(poster_output_dir, exist_ok=True)

            # --- Image Collage ---
            img_list = core_simple_collage.process_directory(
                input_img_dir_path,
                target_size=target_size,
                output_count=1, 
                output_dir=collage_output_dir
            )

            if not img_list or len(img_list) == 0 or not img_list[0].get('path'):
                print(f"      Failed to generate collage image for Variant {variant_index}. Skipping poster.")
                continue
            collage_img_path = img_list[0]['path']
            print(f"      Using collage image: {collage_img_path}")

            # --- Create Poster ---
            text_data = {
                "title": poster_config.get('main_title', 'Default Title'),
                "subtitle": "",
                "additional_texts": []
            }
            texts = poster_config.get('texts', [])
            if texts:
                 # Ensure TEXT_POSBILITY is accessible, maybe pass via config?
                 # text_possibility = config.get("text_possibility", 0.3)
                 text_data["additional_texts"].append({"text": texts[0], "position": "bottom", "size_factor": 0.5})
                 if len(texts) > 1 and random.random() < text_possibility: # Use variable from config
                      text_data["additional_texts"].append({"text": texts[1], "position": "bottom", "size_factor": 0.5})

            final_poster_path = os.path.join(poster_output_dir, "poster.jpg")
            result_path = poster_gen_instance.create_poster(collage_img_path, text_data, final_poster_path)
            if result_path:
                print(f"      Successfully generated poster: {result_path}")
            else:
                print(f"      Poster generation function did not return a valid path.")

        except Exception as e:
            print(f"      Error during poster generation for Variant {variant_index}: {e}")
            traceback.print_exc()
            continue # Continue to next variant
            
    return any_poster_attempted

def main():
    """主函数入口"""
    config_file = {
        "date": "4月17日",
        "num": 5,
        "model": "qwenQWQ",
        "api_url": "vllm",
        "api_key": "EMPTY",
        "topic_system_prompt": "/root/autodl-tmp/TravelContentCreator/SelectPrompt/systemPrompt.txt",
        "topic_user_prompt": "/root/autodl-tmp/TravelContentCreator/SelectPrompt/userPrompt.txt",
        "content_system_prompt": "/root/autodl-tmp/TravelContentCreator/genPrompts/systemPrompt.txt",
        "resource_dir": [{
                            "type": "Object",
                            "num": 4,
                            "file_path": ["/root/autodl-tmp/TravelContentCreator/resource/Object/景点信息-尚书第.txt",
                                          "/root/autodl-tmp/TravelContentCreator/resource/Object/景点信息-明清园.txt",
                                          "/root/autodl-tmp/TravelContentCreator/resource/Object/景点信息-泰宁古城.txt",
                                          "/root/autodl-tmp/TravelContentCreator/resource/Object/景点信息-甘露寺.txt"
                            ]},
                            {
                                "type": "Product",
                                "num": 0,
                                "file_path": []
                            }
                         ],
        "prompts_dir": "/root/autodl-tmp/TravelContentCreator/genPrompts",
        "output_dir": "/root/autodl-tmp/TravelContentCreator/result",
        "variants": 2,
        "topic_temperature": 0.2,
        "content_temperature": 0.3
    }

    if True:
        # 1. 首先生成选题
        ai_agent, system_prompt, user_prompt, output_dir = prepare_topic_generation(
            config_file
        )
        
        run_id, tweet_topic_record = generate_topics(
            ai_agent, system_prompt, user_prompt, config_file["output_dir"],
            config_file["topic_temperature"], 0.5, 1.5
        )
        
        output_dir = os.path.join(config_file["output_dir"], run_id)
        os.makedirs(output_dir, exist_ok=True)
        tweet_topic_record.save_topics(os.path.join(output_dir, "tweet_topic.json"))
        tweet_topic_record.save_prompt(os.path.join(output_dir, "tweet_prompt.txt"))
        # raise Exception("选题生成失败，退出程序")
        if not run_id or not tweet_topic_record:
            print("选题生成失败，退出程序")
            return
        
        # 2. 然后生成内容
        print("\n开始根据选题生成内容...")
        
        # 加载内容生成的系统提示词
        content_system_prompt = ResourceLoader.load_system_prompt(config_file["content_system_prompt"])

            
        if not content_system_prompt:
            print("内容生成系统提示词为空，使用选题生成的系统提示词")
            content_system_prompt = system_prompt
        
        # 直接使用同一个AI Agent实例
        result = generate_content(
            ai_agent, content_system_prompt, tweet_topic_record.topics_list, output_dir, run_id, config_file["prompts_dir"], config_file["resource_dir"],
            config_file["variants"], config_file["content_temperature"]
        )
    


if __name__ == "__main__":
    main()