installer.sh

#!/bin/bash

: '
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*************************************************
TermPDF Viewer - view and navigate PDF files within the terminal.
*************************************************
*  Simple: TermPDF Viewer is a Python program that enables users to 
view and navigate PDF files directly within the terminal.
*************************************************
* Developed and engineered by:
* Felipe Alfonso Gonzalez <f.alfonso@res-ear.ch>
* Computer Science Engineer
* Chile
*************************************************
* Prerequisites:
* Python 3.x: The program is written in Python and requires a Python 3.x interpreter to run.
* PyMuPDF: A Python binding for the MuPDF library, used to handle PDF file rendering and interaction.
*   You can install it using pip: pip install PyMuPDF
*   Make sure to include the appropriate model or adapt it for your needs.
*************************************************
* How to run the TermPDF Viewer:

* Clone the TermPDF Viewer repository from GitHub.
* Navigate to the project directory:

* cd TermPDF-Viewer

* Install PyMuPDF library (if not already installed):
  pip install PyMuPDF

* Run the TermPDF Viewer:
* python termpdf.py

* The TermPDF Viewer will start, allowing you to:
* Scan for PDF files in the current directory.
* Select a PDF file to view by entering its number.
* View the PDF with options to move back, forward, or return to the main menu.
* Quit and return to the main menu.
* To exit the TermPDF Viewer, use 'q' in the main menu.
*
*************************************************
* Important Notes:
* - The application has been tested on Linux and macOS.
* - For Windows, additional configurations may be required.
* - Make sure to fulfill the prerequisites before running the application.
* - For more information, please refer to the project documentation.
*************************************************
'

welcome_message() {
    echo
    echo "▀▀█▀▀ █▀▀ █▀▀█ █▀▄▀█ ▒█▀▀█ ▒█▀▀▄ ▒█▀▀▀ 　 ▒█░░▒█ ░▀░ █▀▀ █░░░█ █▀▀ █▀▀█"
    echo "░▒█░░ █▀▀ █▄▄▀ █░▀░█ ▒█▄▄█ ▒█░▒█ ▒█▀▀▀ 　 ░▒█▒█░ ▀█▀ █▀▀ █▄█▄█ █▀▀ █▄▄▀"
    echo "░▒█░░ ▀▀▀ ▀░▀▀ ▀░░░▀ ▒█░░░ ▒█▄▄▀ ▒█░░░ 　 ░░▀▄▀░ ▀▀▀ ▀▀▀ ░▀░▀░ ▀▀▀ ▀░▀▀"
    echo "-------------------------------------------------------------------------"
    echo "TermPDF Viewer - view and navigate PDF files within the terminal."
    echo "-------------------------------------------------------------------------"
    echo "*  Simple: TermPDF Viewer is a Python program that enables users to "
    echo "*  view and navigate PDF files directly within the terminal."
    echo "-------------------------------------------------------------------------"
    echo
    echo "╭────────────-----────── TERMS OF USE ──────────----------───╮"
    echo "│  This software is licensed under the MIT License.          │"
    echo "│  By Felipe Alfonso González - github.com/felipealfonsog    │"
    echo "│  Computer Science Engineer - Email: f.alfonso@res-ear.ch   │"
    echo "╰───────────────────────────────────────────────---------────╯"
    echo
    echo "Welcome to the TermPDF Viewer Installer!"
    echo "This script will install the TermPDF Viewer program on your system."
    echo "Please make sure you have the necessary permissions to perform the installation."
    echo "Press Enter to continue or Ctrl+C to exit."
    read
}

install_homebrew() {
    if ! command -v brew &>/dev/null; then
        echo "Homebrew not found. Installing Homebrew..."
        /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
    fi
}

install_dependencies() {
    if ! command -v python &>/dev/null; then
        echo "Python not found. Installing Python..."
        brew install python
    else
        echo "Python is already installed"
    fi

    if ! command -v pip &>/dev/null; then
        echo "Pip not found. Installing pip..."
        brew install python
    else
        echo "Pip is already installed"
    fi

    if ! pip show pymupdf &>/dev/null; then
        echo "PyMuPDF not found. Installing PyMuPDF..."
        pip install PyMuPDF
    else
        echo "PyMuPDF is already installed"
    fi

    if ! pip show termcolor &>/dev/null; then
        echo "Termcolor library not found. Installing Termcolor..."
        pip install termcolor
    else
        echo "Termcolor is already installed"
    fi

}

download_wrp() {
    local os=$(uname -s)
    local installer_url="https://github.com/felipealfonsog/TermPDFViewer/raw/main/src/term-pdf-wrp.c"

    if [[ "$os" == "Darwin" || "$os" == "Linux" ]]; then
        echo "Downloading the term-pdf-wrp (Wrapper)..."
        curl -o term-pdf-wrp.c -L "$installer_url"
    else
        echo "Unsupported platform."
        exit 1
    fi
}

download_termpdf() {
    local os=$(uname -s)
    local installer_url="https://github.com/felipealfonsog/TermPDFViewer/raw/main/src/termpdf.py"

    if [[ "$os" == "Darwin" || "$os" == "Linux" ]]; then
        echo "Downloading the termpdf..."
        curl -o termpdf.py -L "$installer_url"
    else
        echo "Unsupported platform."
        exit 1
    fi
}

compile_term_pdf_wrapper() {
    echo "Compiling term-pdf-wrapper..."
    
    gcc -o term-pdf-wrapper term-pdf-wrp.c || { 
        echo "Error: Compilation failed." 
        exit 1
    }
    sudo chmod +x term-pdf-wrapper
    echo "Compilation successful."
}

move_to_bin_directory() {
    echo "Moving compiled binary to bin directory..."
 

    sudo mv termpdf.py "/usr/local/bin"
    sudo mv term-pdf-wrapper "/usr/local/bin/term-pdf"
 
 
    sudo chmod +x "/usr/local/bin/termpdf.py"
    sudo chmod +x "/usr/local/bin/term-pdf"

    echo "Binary moved to '/usr/local/bin' and permissions set."
}


run_termpdf_viewer() {
    echo "Running the TermPDF Viewer..."
    
    #python3 /home/felipe/.config/termpdf.py 
    python3 /usr/local/bin/termpdf.py
    echo "TermPDF Viewer executed."
}

remove_compiled_file() {
    echo "Removing unnecessary files..."
    rm -rf *.c
    rm -rf *.py 
    rm installer.sh
    echo "Cleanup complete."
}

set_permissions() {
    echo "Setting permissions..."

    # chmod 755 ./config/termpdf.py

    echo "Permissions set."
}



welcome_message
install_dependencies
download_wrp
download_termpdf
compile_term_pdf_wrapper
move_to_bin_directory
# run_termpdf_viewer
remove_compiled_file
# set_permissions

echo "TermPDF Viewer has been successfully installed as 'term-pdf' command!"