FROM python:3.9-slim

# 1. Install system dependencies
RUN apt-get update && apt-get install -y \
    espeak-ng \
    libsndfile1 \
    git

# 2. Configure environment
ENV HF_HOME=/app/cache \
    XDG_CACHE_HOME=/app/cache \
    PYTHONPATH="${PYTHONPATH}:/app"

# 3. Create all required directories with proper permissions
RUN mkdir -p /app/cache/hub/models--hexgrad--Kokoro-82M && \
    mkdir -p /app/cache/hub/.locks/models--hexgrad--Kokoro-82M && \
    chmod -R 777 /app && \
    chmod -R 777 /app/cache/hub/.locks

WORKDIR /app

# 4. Install Python dependencies
COPY requirements.txt .

# First install setup tools
RUN pip install --upgrade pip setuptools wheel

# Then install other requirements
RUN pip install --no-cache-dir -r requirements.txt

# Pre-download the model with explicit permissions
RUN python -c "from huggingface_hub import hf_hub_download; hf_hub_download('hexgrad/Kokoro-82M', 'config.json')" || true && \
    chmod -R 777 /app/cache

# 5. Copy application code
COPY . .

# 6. Run FastAPI
CMD uvicorn app:app --host 0.0.0.0 --port 7860