#!/usr/bin/env bash

set -e

SCRIPT_DIR="$( cd "$( dirname "$BASH_SOURCE[0]" )" && pwd )"

symlinkFile() {
    filename="$SCRIPT_DIR/$1"
    destination="$HOME/$2/$1"

    # mkdir -p $(dirname "$destination")

    if [ -L "$destination" ]; then
        echo "[WARNING] $filename already symlinked"
        return
    fi

    if [ -e "$destination" ]; then
        echo "[ERROR] $destination exists but it's not a symlink. Please fix that manually"
        exit 1
    fi

    ln -s "$filename" "$destination"
    echo "[OK] $filename -> $destination"
}

deployManifest() {
    for row in $(cat $SCRIPT_DIR/$1); do
        if [[ "$row" =~ ^#.* ]]; then
            continue
        fi

        filename=$(echo $row | cut -d \| -f 1)
        operation=$(echo $row | cut -d \| -f 2)
        destination=$(echo $row | cut -d \| -f 3)

        case $operation in
            symlink)
                symlinkFile $filename $destination
                ;;

            *)
                echo "[WARNING] Unknown operation $operation. Skipping..."
                ;;
        esac
    done
}

# Only useful if you want to have multiple MANIFESTS,
# otherwise just hardcode it
#
#if [ -z "$@" ]; then
#    echo "Usage: $0"
#    echo "ERROR: no MANIFEST file is provided"
#    exit 1
#fi

deployManifest "./MANIFEST"