import time

import requests
import json
import uuid
import os
from django.conf import settings
from django.core.exceptions import ObjectDoesNotExist
from django.http import JsonResponse, HttpResponse
from django.views.decorators.csrf import csrf_exempt
from django.contrib.auth.decorators import login_required
from django.views.decorators.http import require_http_methods
from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
from datetime import datetime
from .create_tiktok_video import create_video
from .create_avatar_video import create_avatar_video_payload
from .create_music_video  import create_music_video_payload
from .models import VideoGeneration, User, Plan, Order, WebsiteInfo
from .base import logger,synthesize_speech,upload_avatar,deduct_points

VIDEO_API_KEY = 'c4c0f516-33c0-4f5c-9d29-3b1d4e6a93c3'
VIDEO_API_URL = 'https://www.typeframes.com/api/public/v2/render'
WEBHOOK_URL = 'https://www.typeframes.cc/api/webhook/'

def generate_video_id(user_id):
    timestamp = int(time.time())
    video_id = f"{timestamp}_{user_id}"
    return video_id

@csrf_exempt
@require_http_methods(["POST"])
def handle_generate_tiktok_video_request(request):
    """
    处理生成 create-tiktok-video 视频请求的接口
    :param request: HTTP 请求对象
    :return: 包含生成状态或错误信息的JSON响应
    """
    try:
        if not request.user.is_authenticated:
            return JsonResponse({'code': 401, 'message': '用户未登录'})

        data = json.loads(request.body)
        text = data.get('text', '')
        voice_name = data.get('voice', '')
        style = data.get('style', 'general')
        rate = data.get('rate', 0)
        media_type = data.get('mediaType', '')
        ratio = data.get('ratio', '')
        slug = data.get('slug', 'create-tiktok-video')
        caption_preset = data.get('captionPreset', 'Wrap 1')
        caption_position = data.get('captionPosition', 'bottom')
        disableCaptions = data.get('disableCaptions',True)
        generationPreset = data.get('generationPreset','LEONARDO') #ANIME
        if not all([text, voice_name, media_type, ratio, slug, caption_preset, caption_position]):
            return JsonResponse({'code': 400, 'message': '缺少必要参数'})

        user = User.objects.get(id=request.user.id)

        # 计算所需积分
        result = deduct_points(user, "create-tiktok-video", text=text)
        if result is not True:
            return result  # 返回积分不足的响应

        video_gen = VideoGeneration.objects.create(
            user=user,
            text=text,
            voice_name=voice_name,
            style=style,
            rate=rate,
            media_type=media_type,
            ratio=ratio,
            slug=slug,
            video_id=generate_video_id(user.id)
        )

        audio_result = synthesize_speech(text, voice_name, style, rate)
        if audio_result['code'] != 200:
            video_gen.status = 'failed'
            video_gen.save()
            return JsonResponse(audio_result)

        audio_url = audio_result['audio_url']
        video_gen.audio_url = audio_url
        video_gen.status = 'in_progress'
        video_gen.save()

        video_result = create_video(
            audio_url, generationPreset,media_type, text, ratio, voice_name, user.id, slug,disableCaptions, caption_preset, caption_position, video_id=video_gen.video_id
        )
        if video_result['code'] == 200:
            video_gen.status = 'Pending'
            video_gen.pid = video_result['data']['pid']
            video_gen.save()
            return JsonResponse(video_result)
        else:
            video_gen.status = 'Failed'
            video_gen.save()
            return JsonResponse({"code": 405, "message": "生成失败"})

    except json.JSONDecodeError:
        return JsonResponse({"code": 400, "message": "无效的JSON数据"})
    except Exception as e:
        logger.error(f"处理视频生成请求时出错: {str(e)}")
        return JsonResponse({"code": 500, "message": str(e)})

@csrf_exempt
@require_http_methods(["POST"])
def handle_generate_avatar_video_request(request):
    """
    处理生成 create-avatar-video 视频请求的接口
    :param request: HTTP 请求对象
    :return: 包含生成状态或错误信息的JSON响应
    """
    try:
        if not request.user.is_authenticated:
            return JsonResponse({'code': 401, 'message': '用户未登录'})

        data = json.loads(request.body)
        text = data.get('text', '')
        voice_name = data.get('voice', '')
        style = data.get('style', 'general')
        rate = data.get('rate', 0)
        media_type = data.get('mediaType', '')
        ratio = data.get('ratio', '9 / 16')
        slug = 'create-avatar-video'
        caption_preset = data.get('captionPreset', 'Wrap 1')
        caption_position = data.get('captionPosition', 'bottom')
        selected_avatar = data.get('selectedAvatar', '')
        disableCaptions = data.get('disableCaptions',True)
        generationPreset = data.get('generationPreset','LEONARDO') #ANIME
        if not all([text, voice_name, media_type, ratio, slug, caption_preset, caption_position, selected_avatar]):
            return JsonResponse({'code': 400, 'message': '缺少必要参数'})

        user = User.objects.get(id=request.user.id)

        # 计算所需积分
        result = deduct_points(user, "create-avatar-video", text=text)
        if result is not True:
            return result  # 返回积分不足的响应

        video_gen = VideoGeneration.objects.create(
            user=user,
            text=text,
            voice_name=voice_name,
            style=style,
            rate=rate,
            media_type=media_type,
            ratio=ratio,
            slug=slug,
            video_id=generate_video_id(user.id)
        )

        audio_result = synthesize_speech(text, voice_name, style, rate)
        if audio_result['code'] != 200:
            video_gen.status = 'failed'
            video_gen.save()
            return JsonResponse(audio_result)

        audio_url = audio_result['audio_url']
        video_gen.audio_url = audio_url
        video_gen.status = 'in_progress'
        video_gen.save()

        video_result = create_avatar_video_payload(
            audio_url,generationPreset, media_type, text, ratio, voice_name, user.id, slug,disableCaptions,  caption_preset, caption_position, selected_avatar, video_id=video_gen.video_id
        )
        if video_result['code'] == 200:
            video_gen.status = 'Pending'
            video_gen.pid = video_result['data']['pid']
            video_gen.save()
            return JsonResponse(video_result)
        else:
            video_gen.status = 'Failed'
            video_gen.save()
            return JsonResponse({"code": 405, "message": "生成失败"})

    except json.JSONDecodeError:
        return JsonResponse({"code": 400, "message": "无效的JSON数据"})
    except Exception as e:
        logger.error(f"处理头像视频生成请求时出错: {str(e)}")
        return JsonResponse({"code": 500, "message": str(e)})

@csrf_exempt
@require_http_methods(["POST"])
def handle_generate_music_video_request(request):
    """
    处理生成 create-music-video 视频请求的接口
    """
    try:
        if not request.user.is_authenticated:
            return JsonResponse({'code': 401, 'message': '用户未登录'})

        data = json.loads(request.body)
        audio_url = data.get('audioUrl', '')
        media_type = data.get('mediaType', 'stockVideo')
        ratio = data.get('ratio', '9 / 16')
        slug = data.get('slug', 'create-music-video')
        caption_preset = data.get('captionPreset', 'Wrap 1')
        caption_position = data.get('captionPosition', 'bottom')
        disableCaptions = data.get('disableCaptions',True)
        generationPreset = data.get('generationPreset','LEONARDO') #ANIME
        if not all([audio_url, media_type, ratio, slug, caption_preset, caption_position]):
            return JsonResponse({'code': 400, 'message': '缺少必要参数'})

        user = User.objects.get(id=request.user.id)

        result = deduct_points(user, "create-music-video")
        if result is not True:
            return result  # 返回积分不足的响应

        video_gen = VideoGeneration.objects.create(
            user=user,
            text='',
            voice_name='',
            style='',
            rate=0,
            media_type=media_type,
            ratio=ratio,
            slug=slug,
            video_id=generate_video_id(user.id)
        )

        video_result = create_music_video_payload(
            audio_url=audio_url,
            generationPreset=generationPreset,
            media_type=media_type,
            text='',
            ratio=ratio,
            voice_name='',
            style='',
            rate=0,
            user_id=user.id,
            slug=slug,
            disableCaptions=disableCaptions,
            caption_preset=caption_preset,
            caption_position=caption_position,
            video_id=video_gen.video_id
        )
        print(video_result)
        if video_result['code'] == 200:
            video_gen.status = 'Pending'
            video_gen.pid = video_result['data']['pid']
            video_gen.save()
            return JsonResponse(video_result)
        else:
            video_gen.status = 'Failed'
            video_gen.save()
            return JsonResponse({"code": 405, "message": "生成失败"})
    except json.JSONDecodeError:
        return JsonResponse({"code": 400, "message": "无效的JSON数据"})
    except Exception as e:
        logger.error(f"处理音乐视频生成请求时出错: {str(e)}")
        return JsonResponse({"code": 500, "message": str(e)})



@csrf_exempt
def webhook(request):
    """
    处理生成视频回调的函数
    """
    if request.method == 'POST':
        try:
            # 获取原始的 POST 数据
            raw_data = request.body
            logger.info("Received raw data:\n%s\n", raw_data)

            # 解析 JSON 数据
            data = json.loads(raw_data)
            if not data:
                return HttpResponse(status=400)  # Bad Request


            # 提取基本信息
            video_url = data.get('videoUrl', '')  # 编辑视频 URL
            video_id = data.get('videoId', '')  # 视频 ID
            user_id = request.GET.get('userid', '')

            if user_id and video_id:
                print('回调更新状态')
                try:
                    user = User.objects.get(id=user_id)
                    video_gen = VideoGeneration.objects.filter(user=user, video_id=video_id).first()
                    if video_gen:
                        if video_url:
                            video_gen.video_url = video_url
                            video_gen.status = 'completed'
                        else:
                            video_gen.status = 'failed'
                        video_gen.save()

                        # 构建输出数据
                        output = {
                            'videoUrl': video_url,
                            'status': video_gen.status
                        }

                        # 记录基本信息
                        logger.info("Updated video generation status and video URL:\n%s\n", json.dumps(output, indent=4))
                    else:
                        logger.warning(f"No video generation found for user_id: {user_id} and video_id: {video_id}")
                except ObjectDoesNotExist:
                    logger.error(f"User with id {user_id} does not exist")
            else:
                logger.error("User ID or Video ID not provided in the webhook URL or callback data")

            return HttpResponse(status=200)
        except json.JSONDecodeError as e:
            logger.error("Invalid JSON data: %s", str(e))
            return HttpResponse(status=400)  # Bad Request
        except Exception as e:
            logger.error("Error: %s", str(e))
            return HttpResponse(status=500)  # Internal Server Error
    else:
        return HttpResponse(status=405)  # Method Not Allowed

@csrf_exempt
@require_http_methods(["GET"])
@login_required
def get_video_list(request):
    """
    获取视频列表的函数，支持分页
    """
    try:
        user = request.user

        # 获取分页参数
        page = request.GET.get('page', 1)
        page_size = request.GET.get('page_size', 10)

        # 检查是否有user_id参数，并且当前用户是管理员
        user_id = request.GET.get('user_id', None)

        if user.is_staff:
            # 管理员可以查看指定用户的视频列表，或查看所有用户视频列表
            if user_id:
                try:
                    specific_user = User.objects.get(id=user_id)
                    video_list = VideoGeneration.objects.filter(user=specific_user).order_by('-created_at')
                    print(f"管理员查询用户 {specific_user.username} 的视频列表")
                except User.DoesNotExist:
                    return JsonResponse({'code': 404, 'message': '用户不存在', 'data': {}}, status=404)
            else:
                # 没有指定用户ID，管理员查询所有用户的视频列表
                video_list = VideoGeneration.objects.all().order_by('-created_at')
                print("管理员查询所有用户的视频列表")
        else:
            # 普通用户只能查看自己的视频列表，忽略传入的 user_id 参数
            video_list = VideoGeneration.objects.filter(user=user).order_by('-created_at')
            print(f"普通用户 {user.username} 查询自己的视频列表")

        # 使用Paginator进行分页
        paginator = Paginator(video_list, page_size)

        try:
            videos = paginator.page(page)
        except PageNotAnInteger:
            videos = paginator.page(1)  # 如果页码不是整数，返回第一页
        except EmptyPage:
            # 如果页码超出范围，返回空列表
            return JsonResponse({'code': 200, 'message': '没有更多数据', 'data': {'list': [], 'page': page, 'page_size': page_size, 'total_pages': paginator.num_pages, 'total_videos': paginator.count}}, status=200)

        # 组织视频数据
        video_data = []
        for video in videos:
            video_data.append({
                'id': video.id,
                'text': video.text,
                'voice_name': video.voice_name,
                'style': video.style,
                'rate': video.rate,
                'media_type': video.media_type,
                'ratio': video.ratio,
                'audio_url': video.audio_url,
                'video_url': video.video_url,
                'status': video.status,
                'created_at': video.created_at,
                'updated_at': video.updated_at,
                'pid': video.pid,
                'video_id': video.video_id,
                'slug': video.slug,
            })

        # 响应数据
        response_data = {
            'code': 200,
            'message': '成功获取视频列表',
            'data': {
                'list': video_data,
                'page': videos.number,
                'page_size': paginator.per_page,
                'total_pages': paginator.num_pages,
                'total_videos': paginator.count
            }
        }

        return JsonResponse(response_data, status=200)

    except Exception as e:
        logger.error(f"Error fetching video list: {str(e)}")
        return JsonResponse({"code": 500, "message": f"服务器错误: {str(e)}", "data": {}}, status=500)


@require_http_methods(["GET"])
def get_plans(request):
    """
    获取所有套餐的API接口，包含code和message字段
    """
    try:
        # 查询所有套餐
        plans = Plan.objects.all()

        # 构建响应数据
        plans_data = [
            {   "id": plan.id,
                "title": plan.title,
                "description": plan.description,
                "price": float(plan.price),  # 将Decimal类型转换为float类型
                "credits_per_month": plan.credits_per_month,
                "created_at": plan.created_at,
                "updated_at": plan.updated_at,
                "is_promotional": plan.is_promotional,
                "unlimited_exports": plan.unlimited_exports,
                "smart_music_sync": plan.smart_music_sync
            }
            for plan in plans
        ]

        # 返回包含code和message的JSON响应
        return JsonResponse({"code": 200, "message": "获取成功", "data": plans_data}, status=200)
    except Exception as e:
        # 处理异常并返回错误信息
        return JsonResponse({"code": 500, "message": f"服务器错误: {str(e)}"}, status=500)


@csrf_exempt
@require_http_methods(["GET"])
def get_orders(request):
    """
    获取订单列表，支持分页、状态筛选和排序
    """
    try:
        if not request.user.is_authenticated:
            return JsonResponse({'code': 401, 'message': '用户未登录'})
        status = request.GET.get('status', None)
        page = request.GET.get('page', 1)
        page_size = request.GET.get('page_size', 10)

        # 过滤订单状态
        if status:
            orders = Order.objects.filter(status=status).order_by('-created_at')
        else:
            orders = Order.objects.all().order_by('-created_at')

        # 分页
        paginator = Paginator(orders, page_size)
        try:
            orders_page = paginator.page(page)
        except PageNotAnInteger:
            orders_page = paginator.page(1)
        except EmptyPage:
            orders_page = paginator.page(paginator.num_pages)

        # 构建响应数据
        order_list = [
            {
                'order_id': order.order_id,
                'user_id': order.user.id,
                'username': order.user.username,
                'amount': float(order.amount),
                'payment_method': order.payment_method,
                'status': order.status,
                'created_at': order.created_at.strftime('%Y-%m-%d %H:%M:%S'),
                'updated_at': order.updated_at.strftime('%Y-%m-%d %H:%M:%S'),
            }
            for order in orders_page
        ]

        return JsonResponse({
            'code': 200,
            'message': '获取成功',
            'data': order_list,
            'page': orders_page.number,
            'total_pages': paginator.num_pages,
            'total_orders': paginator.count,
        })
    except Exception as e:
        return JsonResponse({'code': 500, 'message': str(e)})


@csrf_exempt
@require_http_methods(["DELETE"])
def delete_order(request, order_id):
    """
    删除指定订单
    """
    try:
        if not request.user.is_authenticated:
            return JsonResponse({'code': 401, 'message': '用户未登录'})
        order = Order.objects.get(order_id=order_id)
        order.delete()
        return JsonResponse({'code': 200, 'message': '订单删除成功'})
    except Order.DoesNotExist:
        return JsonResponse({'code': 404, 'message': '订单不存在'})
    except Exception as e:
        return JsonResponse({'code': 500, 'message': str(e)})