#!/bin/bash

# funcs (mac doesnt have realpath)
realpath() {
    [[ $1 = /* ]] && echo "$1" || echo "$PWD/${1#./}"
}

echo "$1 $2 $3"
   

# install pyenv?

echo "
              #  #   ##   #  #  ###    ##   ###   #### 
              # #   #  #  ####  #  #  #  #  #  #  #    
              ##    #  #  ####  ###   #  #  #  #  ###  
              # #   #  #  #  #  # #   ####  #  #  #    
              #  #   ##   #  #  #  #  #  #  ###   #### 


installing...

"            

echo '
1) setting up folder...

'
# install dir?
echo "Where should comrad live on your device?"
path_comrad_default="`realpath ~/comrad`"

if [ "$1" = "-n" ]
then
    read -p "[$path_comrad_default] " path_comrad
else
    path_comrad=$path_comrad_default
fi


if [ -z "$path_comrad" ]
then
    path_comrad=$path_comrad_default
fi

if [ ! -d "$path_comrad" ]
then
    mkdir -p $path_comrad
    echo "created $path_comrad"
fi

path_lib="$path_comrad/lib"
if [ ! -d "$path_lib" ]
then
    mkdir -p $path_lib
    echo "created $path_lib"
fi
   
path_bin="$path_comrad/code/bin"
# if [ ! -d "$path_bin" ]
# then
#     mkdir -p $path_bin
#     echo "created $path_bin"
# fi



echo '

2) downloading Comrad...

'

path_repo="$path_comrad/code"
if command -v git &> /dev/null
then
    echo "using git..."
    if [ -d "$path_repo" ]
    then 
        cd $path_repo
        git pull
    else
        cd $path_comrad
        
        if [ "$1" = "-n" ]
        then
            echo "Use HTTPS or SSH for git?"
            read -p "[HTTPS/ssh] " git_method
        else
            git_method="https"
        fi

        if [ "$git_method" = "ssh" ]
        then
            echo "using ssh..."
            git clone git@github.com:ComradOrg/Comrad.git
            git checkout installer
        else
            git clone https://github.com/ComradOrg/Comrad.git
            git checkout installer
        fi
        mv Comrad code
    fi
else
    cd $path_comrad
    curl -s -LO https://github.com/ComradOrg/Comrad/archive/installer.zip
    unzip installer.zip
    rm installer.zip
    cp -rT Comrad-installer code
    rm -r Comrad-installer
fi


#########################################################



##########################################################



echo '

4) setting up python...

# '




cd $path_comrad

path_conda="$path_comrad/lib/miniconda3"
# ### Detect if python 3.7?
# pyv="$(python3 -c 'import sys; print(sys.version_info[0:2])')"
# if [ ! "$pyv" = "(3, 7)" ]
# then
unameOut="$(uname -s)"
case "${unameOut}" in
    Linux*)     machine=Linux;;
    Darwin*)    machine=Mac;;
    CYGWIN*)    machine=Cygwin;;
    MINGW*)     machine=MinGw;;
    *)          machine="UNKNOWN:${unameOut}"
esac
#echo ${machine}

if [ "$machine" = "Linux" ]
then
    if [ ! -f "miniconda.sh" ]
    then
        curl https://repo.anaconda.com/miniconda/Miniconda3-py37_4.8.3-Linux-x86_64.sh -o miniconda.sh
        chmod +x miniconda.sh
    fi
    ./miniconda.sh -b -f -p "$path_conda"
    #rm miniconda.sh

    ### install themis from source

    if [ ! -f "/usr/local/lib/libthemis.so" ]
    then
        if [ ! -f "/usr/lib/libthemis.so" ]
        then
            echo '

            3) building Themis, cryptography backend...

            '
            cd "$path_lib"
            # pwd
            git clone https://github.com/cossacklabs/themis.git
            cd themis
            make
            sudo make install
        fi
    fi

    ### install zbar library
    sudo apt install zbar-tools

fi

if [ "$machine" = "Mac" ]
then
    if [ ! -f "miniconda.sh" ]
    then
        curl https://repo.anaconda.com/miniconda/Miniconda3-py37_4.8.3-MacOSX-x86_64.sh -o miniconda.sh
        chmod +x miniconda.sh
    fi
    ./miniconda.sh -b -f -p "$path_conda"
    # rm miniconda.sh

    if command -v /usr/local/bin/brew &> /dev/null
    then
        cd "$path_lib"
        mkdir homebrew && curl -L https://github.com/Homebrew/brew/tarball/master | tar xz --strip 1 -C homebrew
    fi

    # brew install 
    /usr/local/bin/brew tap cossacklabs/tap
    /usr/local/bin/brew install libthemis
    

    # install zbar library
    /usr/local/bin/brew install zbar


fi

if [ "$machine" = "Cygwin" ]
then
    arch="$(uname -m)"
    if [ "$arch" = "x86_64" ]
    then
        curl https://repo.anaconda.com/miniconda/Miniconda3-py37_4.8.3-Windows-x86_64.exe -o miniconda.exe
    else
        curl https://repo.anaconda.com/miniconda/Miniconda3-py37_4.8.3-Windows-x86.exe -o miniconda.exe
    fi

    ./miniconda.exe -b -f -p "$path_conda"
    # rm miniconda.exe

    ### install themis from source
    if [ ! -f "/usr/local/lib/libthemis.so" ]
    then
        if [ ! -f "/usr/lib/libthemis.so" ]
        then
            echo '

            3) building Themis, cryptography backend...

            '
            cd "$path_lib"
            # pwd
            git clone https://github.com/cossacklabs/themis.git
            cd themis
            make
            sudo make install
        fi
    fi

    ### install zbar using apt-cyg
    # installing apt-cyg
    if ! command -v apt-cyg &> /dev/null
    then
        echo "installing apt-cyg"
        lynx -source https://raw.githubusercontent.com/transcode-open/apt-cyg/master/apt-cyg > apt-cyg
        install apt-cyg /bin
    fi
    # installing zbar
    apt-cyg install zbar
fi



# activate conda
export PATH="$path_conda/bin:$PATH"

source "$path_conda/etc/profile.d/conda.sh"

condaexec="conda"
pythonexec="python"




echo '

5) creating virtual environment...

'
path_venv="$path_repo/venv"

# cd $path_comrad
cd $path_repo
echo "Now using python 1: `which python`"
$condaexec create -y -p "$path_venv" python=3.7 cartopy pip virtualenv rtree

#$condaexec activate "$path_venv"


echo "Now using python 2: `which python`"
# $pythonexec -m pip install virtualenv
# $pythonexec -m virtualenv venv
# . venv/bin/activate
echo "Now using python 3: `which python`"

python -m pip install -r requirements.txt

echo '

6) adding comrad bin folder to path

'

commands_app="
    source $path_conda/etc/profile.d/conda.sh\n
    export PATH=\"$path_conda/bin:\$PATH\"\n
    conda activate $path_venv\n
    python -m pip install -r $path_repo/requirements.txt\n
    python $path_repo/comrad/app/main.py\n
"



export PATH="$path_bin:$PATH"
bashline="export PATH=\"$path_bin:\$PATH\"     # comrad installation"
bashfn="`realpath ~/.bashrc`"

# add to bashrc?
if grep -Fxq "$bashline" "$bashfn"
then
    # code if found
    echo "setting already in $bashfn: $bashline"
else
    # code if not found
    echo "$bashline" >> "$bashfn"
fi


echo -e "Now run Comrad with:

comrad-app    [GUI interface -- alpha]

If that doesn't work, try running this series of comands:

$commands_app

"


if [ "$machine" = "Mac" ]
then
    cd /Applications
    unzip "$path_bin/Comrad.app.zip"
    # cp "$path_bin/Comrad.app" /Applications/

    echo "You may run the app by looking for 'Comrad.app' in your /Applications folder."
fi

# run?
. $path_bin/comrad-app




if [ "$machine" = "Mac" ]
then
    echo "You may run the app by looking for 'Comrad.app' in your /Applications folder."
fi