# Dockerfile simplificado y robusto para Hugging Face Spaces
FROM python:3.10-slim

# Variables de entorno
ENV DEBIAN_FRONTEND=noninteractive
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1

# Directorio de trabajo
WORKDIR /app

# Instalar dependencias del sistema críticas
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    gcc \
    g++ \
    make \
    pkg-config \
    python3-dev \
    libffi-dev \
    libssl-dev \
    libcurl4-openssl-dev \
    ca-certificates \
    ffmpeg \
    git \
    git-lfs \
    curl \
    wget \
    cargo \
    rustc \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# Instalar Rust para curl-cffi
RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
ENV PATH="/root/.cargo/bin:${PATH}"

# Actualizar pip
RUN pip install --no-cache-dir --upgrade pip setuptools wheel

# Instalar dependencias críticas en orden
RUN pip install --no-cache-dir certifi requests brotli websockets

# Instalar curl-cffi específicamente
RUN pip install --no-cache-dir curl-cffi

# Instalar yt-dlp con curl-cffi
RUN pip install --no-cache-dir "yt-dlp[default,curl-cffi]"

# Crear usuario
RUN useradd -m -u 1000 user

# Configurar directorios
RUN mkdir -p /app/.cache /app/.config
RUN chown -R user:user /app

# Variables de entorno para el usuario
ENV HF_HOME="/app/.cache"
ENV MPLCONFIGDIR="/app/.cache"

# Cambiar a usuario
USER user

# Copiar requirements y instalar resto de dependencias
COPY --chown=user:user requirements.txt .
RUN pip install --no-cache-dir --user -r requirements.txt

# Configurar yt-dlp
RUN mkdir -p ~/.config/yt-dlp
RUN echo "--user-agent 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36'" > ~/.config/yt-dlp/config
RUN echo "--sleep-interval 3" >> ~/.config/yt-dlp/config
RUN echo "--geo-bypass" >> ~/.config/yt-dlp/config

# Copiar aplicación
COPY --chown=user:user app.py .

# Script de inicio simple
RUN echo '#!/bin/bash\necho "🚀 Starting App..."\necho "yt-dlp: $(yt-dlp --version)"\npython app.py' > start.sh && chmod +x start.sh

# Puerto
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=20s --retries=3 \
    CMD curl -f http://localhost:7860/ || exit 1

# Ejecutar
CMD ["./start.sh"]