# Scrapy settings for scrapy_proj project
#
# For simplicity, this file contains only settings considered important or
# commonly used. You can find more settings consulting the documentation:
#
#     https://docs.scrapy.org/en/latest/topics/settings.html
#     https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
#     https://docs.scrapy.org/en/latest/topics/spider-middleware.html

BOT_NAME = "scrapy_proj"

SPIDER_MODULES = ["scrapy_proj.spiders"]
NEWSPIDER_MODULE = "scrapy_proj.spiders"


# Crawl responsibly by identifying yourself (and your website) on the user-agent
USER_AGENT = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36"

# Obey robots.txt rules
ROBOTSTXT_OBEY = False

# Configure maximum concurrent requests performed by Scrapy (default: 16)
CONCURRENT_REQUESTS = 8

# Configure a delay for requests for the same website (default: 0)
# See https://docs.scrapy.org/en/latest/topics/settings.html#download-delay
# See also autothrottle settings and docs
DOWNLOAD_DELAY = 1
# The download delay setting will honor only one of:
CONCURRENT_REQUESTS_PER_DOMAIN = 8
CONCURRENT_REQUESTS_PER_IP = 8

# Disable cookies (enabled by default)
#COOKIES_ENABLED = False

# Disable Telnet Console (enabled by default)
#TELNETCONSOLE_ENABLED = False

# Override the default request headers:
DEFAULT_REQUEST_HEADERS = {
   "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
   "Accept-Language": "zh-CN,zh;q=0.9,en;q=0.8",
}

# Enable or disable spider middlewares
# See https://docs.scrapy.org/en/latest/topics/spider-middleware.html
#SPIDER_MIDDLEWARES = {
#    "scrapy_proj.middlewares.ScrapyProjSpiderMiddleware": 543,
#}

# Enable or disable downloader middlewares
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
DOWNLOADER_MIDDLEWARES = {
   "scrapy_proj.middlewares.ScrapyProjDownloaderMiddleware": 543,
}

# Enable or disable extensions
# See https://docs.scrapy.org/en/latest/topics/extensions.html
#EXTENSIONS = {
#    "scrapy.extensions.telnet.TelnetConsole": None,
#}

# Configure item pipelines
# See https://docs.scrapy.org/en/latest/topics/item-pipeline.html
ITEM_PIPELINES = {
   # "scrapy_proj.pipelines.AliyunVodPipeline": 300,  # 上传到阿里云视频点播
   # "scrapy_proj.pipelines.SQLitePipeline": 400,     # 保存到SQLite
   # "scrapy_proj.pipelines.MariaDBPipeline": 500,    # 最后保存到MariaDB
}

# Enable and configure the AutoThrottle extension (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/autothrottle.html
AUTOTHROTTLE_ENABLED = True
# The initial download delay
AUTOTHROTTLE_START_DELAY = 5
# The maximum download delay to be set in case of high latencies
AUTOTHROTTLE_MAX_DELAY = 60
# The average number of requests Scrapy should be sending in parallel to
# each remote server
AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0
# Enable showing throttling stats for every response received:
#AUTOTHROTTLE_DEBUG = False

# Enable and configure HTTP caching (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html#httpcache-middleware-settings
#HTTPCACHE_ENABLED = True
#HTTPCACHE_EXPIRATION_SECS = 0
#HTTPCACHE_DIR = "httpcache"
#HTTPCACHE_IGNORE_HTTP_CODES = []
#HTTPCACHE_STORAGE = "scrapy.extensions.httpcache.FilesystemCacheStorage"

# Set settings whose default value is deprecated to a future-proof value
REQUEST_FINGERPRINTER_IMPLEMENTATION = "2.7"
TWISTED_REACTOR = "twisted.internet.asyncioreactor.AsyncioSelectorReactor"
FEED_EXPORT_ENCODING = "utf-8"

# 项目根目录配置（用于SQLite数据库文件路径）
import os
from dotenv import load_dotenv

load_dotenv()  # 加载.env文件中的环境变量
PROJECT_ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

# 数据库配置
SQLITE_FILE = os.getenv("SQLITE_FILE", "data/videos.db")

# MariaDB配置
MYSQL_HOST = os.getenv("MYSQL_HOST", "localhost")  # 数据库主机
MYSQL_PORT = int(os.getenv("MYSQL_PORT", "3306"))  # 数据库端口
MYSQL_USER = os.getenv("MYSQL_USER", "root")  # 数据库用户名
MYSQL_PASSWORD = os.getenv("MYSQL_PASSWORD")  # 数据库密码
MYSQL_DATABASE = os.getenv("MYSQL_DATABASE", "dev_yszy")  # 数据库名称

# 阿里云配置
ALIYUN_ACCESS_KEY_ID = os.getenv("ALIYUN_ACCESS_KEY_ID")  # 阿里云AccessKey ID
ALIYUN_ACCESS_KEY_SECRET = os.getenv("ALIYUN_ACCESS_KEY_SECRET")  # 阿里云AccessKey Secret
ALIYUN_TEMPLATE_GROUP_ID = os.getenv("ALIYUN_TEMPLATE_GROUP_ID")  # 转码模板组ID

# 阿里云OSS配置
ALIYUN_OSS_BUCKET = os.getenv("ALIYUN_OSS_BUCKET")  # 阿里云OSS Bucket名称
ALIYUN_OSS_ENDPOINT = os.getenv("ALIYUN_OSS_ENDPOINT")  # 阿里云OSS Endpoint