#!/usr/bin/env bash

# mdv — open Markdown files in the mdv.app GUI.

#

# Usage:

# mdv Launch the app

# mdv FILE [FILE ...] Open file(s) in the app

# mdv - Read markdown from stdin and open it

# mdv -h | --help Show this help

# mdv --version Print bundle version

set -euo pipefail

# --- locate mdv.app -----------------------------------------------------------

# Search order:

# 1) $MDV_APP env var (if set and points to a bundle)

# 2) /Applications/mdv.app

# 3) ~/Applications/mdv.app

# 4) ../mdv.app relative to this script (dev layout: build/mdv.app)

# 5) `mdfind` query as last resort

find_app() {

if [ -n "${MDV_APP:-}" ] && [ -d "$MDV_APP" ]; then echo "$MDV_APP"; return; fi

for p in \

"/Applications/mdv.app" \

"$HOME/Applications/mdv.app" \

"$(cd "$(dirname "$0")/.." && pwd)/build/mdv.app" \

"$(cd "$(dirname "$0")/.." && pwd)/mdv.app"

do

[ -d "$p" ] && { echo "$p"; return; }

done

if command -v mdfind >/dev/null; then

local hit

hit="$(mdfind "kMDItemCFBundleIdentifier == 'com.mdv.app'" 2>/dev/null | head -1)"

[ -n "$hit" ] && { echo "$hit"; return; }

fi

return 1

}

APP="$(find_app)" || { echo "mdv: mdv.app not found (set MDV_APP or install to /Applications)" >&2; exit 1; }

usage() {

sed -n '2,9p' "$0" | sed 's/^# \{0,1\}//'

}

# --- arg handling -------------------------------------------------------------

case "${1:-}" in

-h|--help)

usage; exit 0 ;;

--version)

/usr/libexec/PlistBuddy -c "Print :CFBundleShortVersionString" "$APP/Contents/Info.plist"

exit 0 ;;

esac

if [ $# -eq 0 ]; then

open "$APP"

exit 0

fi

# Read stdin into a temp .md and open that

if [ "$1" = "-" ] && [ $# -eq 1 ]; then

tmp="$(mktemp -t mdv-stdin).md"

cat - > "$tmp"

open -a "$APP" "$tmp"

exit 0

fi

# Resolve relative paths so LaunchServices opens what the user meant.

files=()

for f in "$@"; do

if [ -e "$f" ]; then

files+=("$(cd "$(dirname "$f")" && pwd)/$(basename "$f")")

else

echo "mdv: no such file: $f" >&2

exit 1

fi

done

open -a "$APP" "${files[@]}"