jprog/lib/libjprog.jl

module LibJprog

    using LibGit2:init
    export check_dir, 
            check_file,
            create_default_structure,
            git_init,
            help,
            version,
            DEBUG



    DEBUG = false # enable for verbose messages

    # Generic directory checking with boolean returns
    function check_dir(directory)
    
        if ispath(directory)
            if DEBUG == true print("The directory: ", directory, " already exists\n") end
            return true
    
        else
            if DEBUG == true print("The directory: ", directory, " does not exist\n") end
            return false
        end


    end

    # Generic file checking with boolean returns
    function check_file(filePath)

        if isfile(filePath) 
            
            if DEBUG == true print("File: ", filePath, " exists\n") end
            return true

        else
            if DEBUG == false print("File: ", filePath, " does not exist\n") end
            return false
        end
    end

    # Somewhat automate creating directories
    function create_default_structure(projectDir)
        
        local subDirs = ["src", "lib"]
        for dirs in subDirs

            mkpath("$projectDir/$dirs")
        
        end

        # check whether projectDir contains /
        projectName = occursin(projectDir, "/" )

        if DEBUG == true print(projectName, "\n") end
        
        # append name of project to main source file  name
        projectName = projectDir[projectName+1:length(projectDir)]
            

        touch("$projectDir/src/$projectName.jl")
        touch("$projectDir/README.md")
        touch("$projectDir/LICENSE")
    end

    # Establish a Git repository in project root
    function git_init(projectPath)

        init("$projectPath", false)
        
        if check_dir("$projectPath/.git") != true
        
            print("Failed to initialize git repository in: ", pwd(),  "/$projectPath\n")

        else
            print("Git repository initialized\n")
        end
    end

    # Print a list of supported commands
    function help()
        print("\n", "useage:  jprog init <project name>", "\n", "\n")
        
        print("init     Create a new project\n")
    end

    # Get version information for this program
    function version()

        print("\n", "Version 1\n\n")
    end
end