#!/usr/bin/env bash
# ==============================================================================
# Automated Asset Downloader for ComfyUI Lab Recipe
# Recipe: Civitai #143532220 Sunlight Boudoir: DesireX Krea 2 Chiaroscuro Portrait
# Origin: https://decomfy.com/civitai-desirex-sunlight-boudoir-krea2
# ==============================================================================
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: civitai-desirex-sunlight-boudoir-krea2"
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/diffusion_models"
mkdir -p "${COMFY_DIR}/models/text_encoders"
mkdir -p "${COMFY_DIR}/models/vae"
mkdir -p "${COMFY_DIR}/models/loras"

# Download Workflow JSON
echo "==> Fetching Workflow Canvas JSON..."
curl -sSL "https://decomfy.com/api/workflows/civitai-desirex-sunlight-boudoir-krea2.json" -o "${COMFY_DIR}/user/default/workflows/civitai-desirex-sunlight-boudoir-krea2.json"
echo "[OK] Saved workflow to ${COMFY_DIR}/user/default/workflows/civitai-desirex-sunlight-boudoir-krea2.json"

echo "==> Downloading required models and weights..."
  # BSSDesirexKrea2_x2INT8ConvrotFastest.safetensors (12.8 GB) -> models/diffusion_models/
  if [ ! -f "${COMFY_DIR}/models/diffusion_models/BSSDesirexKrea2_x2INT8ConvrotFastest.safetensors" ]; then
    echo "[+] Downloading BSSDesirexKrea2_x2INT8ConvrotFastest.safetensors (12.8 GB)..."
    URL="https://civitai.com/api/download/models/3339307?fileId=3226107"
    if [ -n "$CIVITAI_TOKEN" ]; then
      if [[ "$URL" == *"?"* ]]; then
        URL="${URL}&token=${CIVITAI_TOKEN}"
      else
        URL="${URL}?token=${CIVITAI_TOKEN}"
      fi
    fi
    curl -C - -L -f --retry 3 --progress-bar "$URL" -o "${COMFY_DIR}/models/diffusion_models/BSSDesirexKrea2_x2INT8ConvrotFastest.safetensors"
  else
    echo "[OK] Found ${COMFY_DIR}/models/diffusion_models/BSSDesirexKrea2_x2INT8ConvrotFastest.safetensors"
  fi

  # krea2_solordz_te_int8.safetensors (4.4 GB) -> models/text_encoders/
  if [ ! -f "${COMFY_DIR}/models/text_encoders/krea2_solordz_te_int8.safetensors" ]; then
    echo "[+] Downloading krea2_solordz_te_int8.safetensors (4.4 GB)..."
    URL="https://huggingface.co/silveroxides/krea2_text_encoders/resolve/main/krea2_solordz_te_int8.safetensors"
    curl -C - -L -f --retry 3 --progress-bar "$URL" -o "${COMFY_DIR}/models/text_encoders/krea2_solordz_te_int8.safetensors"
  else
    echo "[OK] Found ${COMFY_DIR}/models/text_encoders/krea2_solordz_te_int8.safetensors"
  fi

  # wan_2.1_vae.safetensors (254 MB) -> models/vae/
  if [ ! -f "${COMFY_DIR}/models/vae/wan_2.1_vae.safetensors" ]; then
    echo "[+] Downloading wan_2.1_vae.safetensors (254 MB)..."
    URL="https://huggingface.co/Wan-AI/Wan2.1-T2V-14B/resolve/main/Wan2.1_VAE.pth"
    curl -C - -L -f --retry 3 --progress-bar "$URL" -o "${COMFY_DIR}/models/vae/wan_2.1_vae.safetensors"
  else
    echo "[OK] Found ${COMFY_DIR}/models/vae/wan_2.1_vae.safetensors"
  fi

  # Detailer-KREA2.safetensors (11.5 MB) -> models/loras/
  if [ ! -f "${COMFY_DIR}/models/loras/Detailer-KREA2.safetensors" ]; then
    echo "[+] Downloading Detailer-KREA2.safetensors (11.5 MB)..."
    URL="https://civitai.com/api/download/models/3068874"
    if [ -n "$CIVITAI_TOKEN" ]; then
      if [[ "$URL" == *"?"* ]]; then
        URL="${URL}&token=${CIVITAI_TOKEN}"
      else
        URL="${URL}?token=${CIVITAI_TOKEN}"
      fi
    fi
    curl -C - -L -f --retry 3 --progress-bar "$URL" -o "${COMFY_DIR}/models/loras/Detailer-KREA2.safetensors"
  else
    echo "[OK] Found ${COMFY_DIR}/models/loras/Detailer-KREA2.safetensors"
  fi

  # Krea2_TextFusion_Refusal_Reduction.safetensors (27.6 MB) -> models/loras/
  if [ ! -f "${COMFY_DIR}/models/loras/Krea2_TextFusion_Refusal_Reduction.safetensors" ]; then
    echo "[+] Downloading Krea2_TextFusion_Refusal_Reduction.safetensors (27.6 MB)..."
    URL="https://civitai.com/api/download/models/3125118"
    if [ -n "$CIVITAI_TOKEN" ]; then
      if [[ "$URL" == *"?"* ]]; then
        URL="${URL}&token=${CIVITAI_TOKEN}"
      else
        URL="${URL}?token=${CIVITAI_TOKEN}"
      fi
    fi
    curl -C - -L -f --retry 3 --progress-bar "$URL" -o "${COMFY_DIR}/models/loras/Krea2_TextFusion_Refusal_Reduction.safetensors"
  else
    echo "[OK] Found ${COMFY_DIR}/models/loras/Krea2_TextFusion_Refusal_Reduction.safetensors"
  fi

echo ""
echo "===================================================================="
echo "[SUCCESS] All recipe models and workflow have been synced!"
echo "Open ComfyUI, press 'Load' and select 'civitai-desirex-sunlight-boudoir-krea2.json' to run."
echo "===================================================================="