#!/usr/bin/env bash
# ==============================================================================
# Automated Asset Downloader for ComfyUI Lab Recipe
# Recipe: BFS Head V1.1: Qwen Image 2.1 In-Context Face & Head Swap (Surgical Skin-Detail Ablation)
# Origin: https://decomfy.com/bfs-head-swap-v1-1-qwen-image-2-1
# ==============================================================================
set -euo pipefail

# 1. ComfyUI directory location (Defaults to current working directory)
COMFY_DIR="${1:-.}"

# 2. Civitai API key (Optional: Set export CIVITAI_TOKEN="your_key" if gated)
CIVITAI_TOKEN="${CIVITAI_TOKEN:-}"

echo "===================================================================="
echo "ComfyUI Lab: Downloading assets for: bfs-head-swap-v1-1-qwen-image-2-1"
echo "Target ComfyUI root: ${COMFY_DIR}"
echo "===================================================================="

# Create required directories
echo "==> Ensuring model directories exist..."
mkdir -p "${COMFY_DIR}/user/default/workflows"
mkdir -p "${COMFY_DIR}/models/loras"
mkdir -p "${COMFY_DIR}/models/diffusion_models"
mkdir -p "${COMFY_DIR}/models/text_encoders"
mkdir -p "${COMFY_DIR}/models/vae"

# Download Workflow JSON
echo "==> Fetching Workflow Canvas JSON..."
curl -sSL "https://decomfy.com/api/workflows/bfs-head-swap-v1-1-qwen-image-2-1.json" -o "${COMFY_DIR}/user/default/workflows/bfs-head-swap-v1-1-qwen-image-2-1.json"
echo "[OK] Saved workflow to ${COMFY_DIR}/user/default/workflows/bfs-head-swap-v1-1-qwen-image-2-1.json"

echo "==> Downloading required models and weights..."
  # bfs_head_v1.1_qwen_2.1.safetensors (248 MB) -> models/loras/
  if [ ! -f "${COMFY_DIR}/models/loras/bfs_head_v1.1_qwen_2.1.safetensors" ]; then
    echo "[+] Downloading bfs_head_v1.1_qwen_2.1.safetensors (248 MB)..."
    URL="https://huggingface.co/Alissonerdx/BFS-Best-Face-Swap/resolve/main/bfs_head_v1.1_qwen_2.1.safetensors"
    curl -C - -L -f --retry 3 --progress-bar "$URL" -o "${COMFY_DIR}/models/loras/bfs_head_v1.1_qwen_2.1.safetensors"
  else
    echo "[OK] Found ${COMFY_DIR}/models/loras/bfs_head_v1.1_qwen_2.1.safetensors"
  fi

  # p_qwen_image_2.1_8step_v0.1.safetensors (320 MB) -> models/loras/
  if [ ! -f "${COMFY_DIR}/models/loras/p_qwen_image_2.1_8step_v0.1.safetensors" ]; then
    echo "[+] Downloading p_qwen_image_2.1_8step_v0.1.safetensors (320 MB)..."
    URL="https://huggingface.co/PrunaAI/Pruna-Qwen-Image-2.1/resolve/main/p_qwen_image_2.1_8step_v0.1.safetensors"
    curl -C - -L -f --retry 3 --progress-bar "$URL" -o "${COMFY_DIR}/models/loras/p_qwen_image_2.1_8step_v0.1.safetensors"
  else
    echo "[OK] Found ${COMFY_DIR}/models/loras/p_qwen_image_2.1_8step_v0.1.safetensors"
  fi

  # qwen_image_2.1_int8_convrot.safetensors (8.5 GB) -> models/diffusion_models/
  if [ ! -f "${COMFY_DIR}/models/diffusion_models/qwen_image_2.1_int8_convrot.safetensors" ]; then
    echo "[+] Downloading qwen_image_2.1_int8_convrot.safetensors (8.5 GB)..."
    URL="https://huggingface.co/Comfy-Org/Qwen-Image-2.1/resolve/main/diffusion_models/qwen_image_2.1_int8_convrot.safetensors"
    curl -C - -L -f --retry 3 --progress-bar "$URL" -o "${COMFY_DIR}/models/diffusion_models/qwen_image_2.1_int8_convrot.safetensors"
  else
    echo "[OK] Found ${COMFY_DIR}/models/diffusion_models/qwen_image_2.1_int8_convrot.safetensors"
  fi

  # qwen3vl_8b_int8_convrot.safetensors (4.5 GB) -> models/text_encoders/
  if [ ! -f "${COMFY_DIR}/models/text_encoders/qwen3vl_8b_int8_convrot.safetensors" ]; then
    echo "[+] Downloading qwen3vl_8b_int8_convrot.safetensors (4.5 GB)..."
    URL="https://huggingface.co/Comfy-Org/Qwen-Image-2.1/resolve/main/text_encoders/qwen3vl_8b_int8_convrot.safetensors"
    curl -C - -L -f --retry 3 --progress-bar "$URL" -o "${COMFY_DIR}/models/text_encoders/qwen3vl_8b_int8_convrot.safetensors"
  else
    echo "[OK] Found ${COMFY_DIR}/models/text_encoders/qwen3vl_8b_int8_convrot.safetensors"
  fi

  # qwen_image_2.1_vae_bf16.safetensors (350 MB) -> models/vae/
  if [ ! -f "${COMFY_DIR}/models/vae/qwen_image_2.1_vae_bf16.safetensors" ]; then
    echo "[+] Downloading qwen_image_2.1_vae_bf16.safetensors (350 MB)..."
    URL="https://huggingface.co/Comfy-Org/Qwen-Image-2.1/resolve/main/vae/qwen_image_2.1_vae_bf16.safetensors"
    curl -C - -L -f --retry 3 --progress-bar "$URL" -o "${COMFY_DIR}/models/vae/qwen_image_2.1_vae_bf16.safetensors"
  else
    echo "[OK] Found ${COMFY_DIR}/models/vae/qwen_image_2.1_vae_bf16.safetensors"
  fi

echo ""
echo "===================================================================="
echo "[SUCCESS] All recipe models and workflow have been synced!"
echo "Open ComfyUI, press 'Load' and select 'bfs-head-swap-v1-1-qwen-image-2-1.json' to run."
echo "===================================================================="