#!/bin/bash

source ./scripts/functions.sh

cp sd-ui-files/scripts/on_env_start.sh scripts/
cp sd-ui-files/scripts/bootstrap.sh scripts/

# activate the installer env
CONDA_BASEPATH=$(conda info --base)
source "$CONDA_BASEPATH/etc/profile.d/conda.sh" # avoids the 'shell not initialized' error

conda activate || fail "Failed to activate conda"

# remove the old version of the dev console script, if it's still present
if [ -e "open_dev_console.sh" ]; then
    rm "open_dev_console.sh"
fi

python -c "import os; import shutil; frm = 'sd-ui-files/ui/hotfix/9c24e6cd9f499d02c4f21a033736dabd365962dc80fe3aeb57a8f85ea45a20a3.26fead7ea4f0f843f6eb4055dfd25693f1a71f3c6871b184042d4b126244e142'; dst = os.path.join(os.path.expanduser('~'), '.cache', 'huggingface', 'transformers', '9c24e6cd9f499d02c4f21a033736dabd365962dc80fe3aeb57a8f85ea45a20a3.26fead7ea4f0f843f6eb4055dfd25693f1a71f3c6871b184042d4b126244e142'); shutil.copyfile(frm, dst) if os.path.exists(dst) else print(''); print('Hotfixed broken JSON file from OpenAI');" 

# Caution, this file will make your eyes and brain bleed. It's such an unholy mess.
# Note to self: Please rewrite this in Python. For the sake of your own sanity.

if [ -e "scripts/install_status.txt" ] && [ `grep -c sd_git_cloned scripts/install_status.txt` -gt "0" ]; then
    echo "Stable Diffusion's git repository was already installed. Updating.."

    cd stable-diffusion

    git remote set-url origin https://github.com/easydiffusion/diffusion-kit.git

    git reset --hard
    git pull
    git -c advice.detachedHead=false checkout 7f32368ed1030a6e710537047bacd908adea183a

    git apply --whitespace=warn ../ui/sd_internal/ddim_callback.patch || fail "ddim patch failed"

    cd ..
else
    printf "\n\nDownloading Stable Diffusion..\n\n"

    if git clone https://github.com/easydiffusion/diffusion-kit.git stable-diffusion ; then
        echo sd_git_cloned >> scripts/install_status.txt
    else
        fail "git clone of basujindal/stable-diffusion.git failed"
    fi

    cd stable-diffusion
    git -c advice.detachedHead=false checkout 7f32368ed1030a6e710537047bacd908adea183a

    git apply --whitespace=warn ../ui/sd_internal/ddim_callback.patch || fail "ddim patch failed"

    cd ..
fi

cd stable-diffusion

if [ `grep -c conda_sd_env_created ../scripts/install_status.txt` -gt "0" ]; then
    echo "Packages necessary for Stable Diffusion were already installed"

    conda activate ./env || fail "conda activate failed"
else
    printf "\n\nDownloading packages necessary for Stable Diffusion..\n"
    printf "\n\n***** This will take some time (depending on the speed of the Internet connection) and may appear to be stuck, but please be patient ***** ..\n\n"

    # prevent conda from using packages from the user's home directory, to avoid conflicts
    export PYTHONNOUSERSITE=1
    export PYTHONPATH="$(pwd):$(pwd)/env/lib/site-packages"

    if conda env create --prefix env --force -f environment.yaml ; then
        echo "Installed. Testing.."
    else
        fail "'conda env create' failed"
    fi

    conda activate ./env || fail "conda activate failed"

    out_test=`python -c "import torch; import ldm; import transformers; import numpy; import antlr4; print(42)"`
    if [ "$out_test" != "42" ]; then
        fail "Dependency test failed"
    fi

    echo conda_sd_env_created >> ../scripts/install_status.txt
fi

if [ `grep -c conda_sd_gfpgan_deps_installed ../scripts/install_status.txt` -gt "0" ]; then
    echo "Packages necessary for GFPGAN (Face Correction) were already installed"
else
    printf "\n\nDownloading packages necessary for GFPGAN (Face Correction)..\n"

    export PYTHONNOUSERSITE=1
    export PYTHONPATH="$(pwd):$(pwd)/env/lib/site-packages"

    out_test=`python -c "from gfpgan import GFPGANer; print(42)"`
    if [ "$out_test" != "42" ]; then
        echo "EE The dependency check has failed. This usually means that some system libraries are missing."
	echo "EE On Debian/Ubuntu systems, this are often these packages: libsm6 libxext6 libxrender-dev"
	echo "EE Other Linux distributions might have different package names for these libraries."
        fail "GFPGAN dependency test failed"
    fi

    echo conda_sd_gfpgan_deps_installed >> ../scripts/install_status.txt
fi

if [ `grep -c conda_sd_esrgan_deps_installed ../scripts/install_status.txt` -gt "0" ]; then
    echo "Packages necessary for ESRGAN (Resolution Upscaling) were already installed"
else
    printf "\n\nDownloading packages necessary for ESRGAN (Resolution Upscaling)..\n"

    export PYTHONNOUSERSITE=1
    export PYTHONPATH="$(pwd):$(pwd)/env/lib/site-packages"

    out_test=`python -c "from basicsr.archs.rrdbnet_arch import RRDBNet; from realesrgan import RealESRGANer; print(42)"`
    if [ "$out_test" != "42" ]; then
        fail "ESRGAN dependency test failed"
    fi

    echo conda_sd_esrgan_deps_installed >> ../scripts/install_status.txt
fi

if [ `grep -c conda_sd_ui_deps_installed ../scripts/install_status.txt` -gt "0" ]; then
    echo "Packages necessary for Stable Diffusion UI were already installed"
else
    printf "\n\nDownloading packages necessary for Stable Diffusion UI..\n\n"

    export PYTHONNOUSERSITE=1
    export PYTHONPATH="$(pwd):$(pwd)/env/lib/site-packages"

    if conda install -c conda-forge --prefix ./env -y uvicorn fastapi ; then
        echo "Installed. Testing.."
    else
        fail "'conda install uvicorn' failed" 
    fi

    if ! command -v uvicorn &> /dev/null; then
        fail "UI packages not found!"
    fi

    echo conda_sd_ui_deps_installed >> ../scripts/install_status.txt
fi

if python -m picklescan --help >/dev/null 2>&1; then
    echo "Picklescan is already installed."
else
    echo "Picklescan not found, installing."
    pip install picklescan || fail "Picklescan installation failed."
fi



mkdir -p "../models/stable-diffusion"
mkdir -p "../models/vae"
echo "" > "../models/stable-diffusion/Put your custom ckpt files here.txt"
echo "" > "../models/vae/Put your VAE files here.txt"

if [ -f "sd-v1-4.ckpt" ]; then
    model_size=`find "sd-v1-4.ckpt" -printf "%s"`

    if [ "$model_size" -eq "4265380512" ] || [ "$model_size" -eq "7703807346" ] || [ "$model_size" -eq "7703810927" ]; then
        echo "Data files (weights) necessary for Stable Diffusion were already downloaded"
    else
        printf "\n\nThe model file present at $PWD/sd-v1-4.ckpt is invalid. It is only $model_size bytes in size. Re-downloading.."
        rm sd-v1-4.ckpt
    fi
fi

if [ ! -f "sd-v1-4.ckpt" ]; then
    echo "Downloading data files (weights) for Stable Diffusion.."

    curl -L -k https://me.cmdr2.org/stable-diffusion-ui/sd-v1-4.ckpt > sd-v1-4.ckpt

    if [ -f "sd-v1-4.ckpt" ]; then
        model_size=`find "sd-v1-4.ckpt" -printf "%s"`
        if [ ! "$model_size" == "4265380512" ]; then
	    fail "The downloaded model file was invalid! Bytes downloaded: $model_size"
        fi
    else
        fail "Error downloading the data files (weights) for Stable Diffusion"
    fi
fi


if [ -f "GFPGANv1.3.pth" ]; then
    model_size=`find "GFPGANv1.3.pth" -printf "%s"`

    if [ "$model_size" -eq "348632874" ]; then
        echo "Data files (weights) necessary for GFPGAN (Face Correction) were already downloaded"
    else
        printf "\n\nThe model file present at $PWD/GFPGANv1.3.pth is invalid. It is only $model_size bytes in size. Re-downloading.."
        rm GFPGANv1.3.pth
    fi
fi

if [ ! -f "GFPGANv1.3.pth" ]; then
    echo "Downloading data files (weights) for GFPGAN (Face Correction).."

    curl -L -k https://github.com/TencentARC/GFPGAN/releases/download/v1.3.0/GFPGANv1.3.pth > GFPGANv1.3.pth

    if [ -f "GFPGANv1.3.pth" ]; then
        model_size=`find "GFPGANv1.3.pth" -printf "%s"`
        if [ ! "$model_size" -eq "348632874" ]; then
            fail "The downloaded GFPGAN model file was invalid! Bytes downloaded: $model_size"
        fi
    else
        fail "Error downloading the data files (weights) for GFPGAN (Face Correction)."
    fi
fi


if [ -f "RealESRGAN_x4plus.pth" ]; then
    model_size=`find "RealESRGAN_x4plus.pth" -printf "%s"`

    if [ "$model_size" -eq "67040989" ]; then
        echo "Data files (weights) necessary for ESRGAN (Resolution Upscaling) x4plus were already downloaded"
    else
        printf "\n\nThe model file present at $PWD/RealESRGAN_x4plus.pth is invalid. It is only $model_size bytes in size. Re-downloading.."
        rm RealESRGAN_x4plus.pth
    fi
fi

if [ ! -f "RealESRGAN_x4plus.pth" ]; then
    echo "Downloading data files (weights) for ESRGAN (Resolution Upscaling) x4plus.."

    curl -L -k https://github.com/xinntao/Real-ESRGAN/releases/download/v0.1.0/RealESRGAN_x4plus.pth > RealESRGAN_x4plus.pth

    if [ -f "RealESRGAN_x4plus.pth" ]; then
        model_size=`find "RealESRGAN_x4plus.pth" -printf "%s"`
        if [ ! "$model_size" -eq "67040989" ]; then
            fail "The downloaded ESRGAN x4plus model file was invalid! Bytes downloaded: $model_size"
        fi
    else
        fail "Error downloading the data files (weights) for ESRGAN (Resolution Upscaling) x4plus"
    fi
fi


if [ -f "RealESRGAN_x4plus_anime_6B.pth" ]; then
    model_size=`find "RealESRGAN_x4plus_anime_6B.pth" -printf "%s"`

    if [ "$model_size" -eq "17938799" ]; then
        echo "Data files (weights) necessary for ESRGAN (Resolution Upscaling) x4plus_anime were already downloaded"
    else
        printf "\n\nThe model file present at $PWD/RealESRGAN_x4plus_anime_6B.pth is invalid. It is only $model_size bytes in size. Re-downloading.."
        rm RealESRGAN_x4plus_anime_6B.pth
    fi
fi

if [ ! -f "RealESRGAN_x4plus_anime_6B.pth" ]; then
    echo "Downloading data files (weights) for ESRGAN (Resolution Upscaling) x4plus_anime.."

    curl -L -k https://github.com/xinntao/Real-ESRGAN/releases/download/v0.2.2.4/RealESRGAN_x4plus_anime_6B.pth > RealESRGAN_x4plus_anime_6B.pth

    if [ -f "RealESRGAN_x4plus_anime_6B.pth" ]; then
        model_size=`find "RealESRGAN_x4plus_anime_6B.pth" -printf "%s"`
        if [ ! "$model_size" -eq "17938799" ]; then
            fail "The downloaded ESRGAN x4plus_anime model file was invalid! Bytes downloaded: $model_size"
        fi
    else
        fail "Error downloading the data files (weights) for ESRGAN (Resolution Upscaling) x4plus_anime."
    fi
fi


if [ -f "../models/vae/vae-ft-mse-840000-ema-pruned.ckpt" ]; then
    model_size=`find ../models/vae/vae-ft-mse-840000-ema-pruned.ckpt -printf "%s"`

    if [ "$model_size" -eq "334695179" ]; then
        echo "Data files (weights) necessary for the default VAE (sd-vae-ft-mse-original) were already downloaded"
    else
        printf "\n\nThe model file present at models/vae/vae-ft-mse-840000-ema-pruned.ckpt is invalid. It is only $model_size bytes in size. Re-downloading.."
        rm ../models/vae/vae-ft-mse-840000-ema-pruned.ckpt
    fi
fi

if [ ! -f "../models/vae/vae-ft-mse-840000-ema-pruned.ckpt" ]; then
    echo "Downloading data files (weights) for the default VAE (sd-vae-ft-mse-original).."

    curl -L -k https://huggingface.co/stabilityai/sd-vae-ft-mse-original/resolve/main/vae-ft-mse-840000-ema-pruned.ckpt > ../models/vae/vae-ft-mse-840000-ema-pruned.ckpt

    if [ -f "../models/vae/vae-ft-mse-840000-ema-pruned.ckpt" ]; then
        model_size=`find ../models/vae/vae-ft-mse-840000-ema-pruned.ckpt -printf "%s"`
        if [ ! "$model_size" -eq "334695179" ]; then
            printf "\n\nError: The downloaded default VAE (sd-vae-ft-mse-original) file was invalid! Bytes downloaded: $model_size\n\n"
            printf "\n\nError downloading the data files (weights) for the default VAE (sd-vae-ft-mse-original). Sorry about that, please try to:\n  1. Run this installer again.\n  2. If that doesn't fix it, please try the common troubleshooting steps at https://github.com/cmdr2/stable-diffusion-ui/wiki/Troubleshooting\n  3. If those steps don't help, please copy *all* the error messages in this window, and ask the community at https://discord.com/invite/u9yhsFmEkB\n  4. If that doesn't solve the problem, please file an issue at https://github.com/cmdr2/stable-diffusion-ui/issues\nThanks!\n\n"
            read -p "Press any key to continue"
            exit
        fi
    else
        printf "\n\nError downloading the data files (weights) for the default VAE (sd-vae-ft-mse-original). Sorry about that, please try to:\n  1. Run this installer again.\n  2. If that doesn't fix it, please try the common troubleshooting steps at https://github.com/cmdr2/stable-diffusion-ui/wiki/Troubleshooting\n  3. If those steps don't help, please copy *all* the error messages in this window, and ask the community at https://discord.com/invite/u9yhsFmEkB\n  4. If that doesn't solve the problem, please file an issue at https://github.com/cmdr2/stable-diffusion-ui/issues\nThanks!\n\n"
        read -p "Press any key to continue"
        exit
    fi
fi


if [ `grep -c sd_install_complete ../scripts/install_status.txt` -gt "0" ]; then
    echo sd_weights_downloaded >> ../scripts/install_status.txt
    echo sd_install_complete >> ../scripts/install_status.txt
fi

printf "\n\nStable Diffusion is ready!\n\n"

SD_PATH=`pwd`
export PYTHONPATH="$SD_PATH:$SD_PATH/env/lib/python3.8/site-packages"
echo "PYTHONPATH=$PYTHONPATH"

which python
python --version

cd ..
export SD_UI_PATH=`pwd`/ui
cd stable-diffusion

uvicorn server:app --app-dir "$SD_UI_PATH" --port ${SD_UI_BIND_PORT:-9000} --host ${SD_UI_BIND_IP:-0.0.0.0}

read -p "Press any key to continue"