#!/bin/sh
# Shipcrate web installer: curl -fsSL https://shipcrate.app/install | sh
# It does NOT download the product. It finds the zip you bought (in ~/Downloads, or the
# path in $SHIPCRATE_ZIP), unpacks it to ~/Shipcrate and runs its install.sh.
# Upgrading keeps your projects (studio/data) and companion-app settings.
set -eu

say() { printf '%s\n' "$*"; }
die() { printf '\nStopped: %s\n' "$*" >&2; exit 1; }

[ "$(uname -s)" = Darwin ] || die "Shipcrate runs on a Mac."
command -v unzip >/dev/null 2>&1 || die "unzip was not found."

ZIP="${SHIPCRATE_ZIP:-}"
if [ -z "$ZIP" ]; then
  # shellcheck disable=SC2012
  ZIP="$(ls -t "$HOME"/Downloads/shipcrate-*.zip 2>/dev/null | head -n 1 || true)"
fi
if [ -z "$ZIP" ]; then
  say "I couldn't find shipcrate-*.zip in your Downloads folder."
  if ( : </dev/tty ) 2>/dev/null; then
    printf 'Drag the zip you bought into this window, then press Enter: ' >/dev/tty
    IFS= read -r ZIP </dev/tty || ZIP=""
    # Terminal escapes spaces and may add quotes when you drag a file in.
    ZIP="$(printf '%s' "$ZIP" | sed -e "s/^[[:space:]]*//" -e "s/[[:space:]]*\$//" -e "s/^'\\(.*\\)'\$/\\1/" -e 's/\\ / /g')"
  fi
fi
[ -n "$ZIP" ] || die "No zip given. Set SHIPCRATE_ZIP=/path/to/shipcrate-1.0.0.zip and run this again."
[ -f "$ZIP" ] || die "That file does not exist: $ZIP"

say "Using $ZIP"
LIST="$(unzip -Z1 "$ZIP" 2>/dev/null)" || die "That file is not a valid zip."
TOP="$(printf '%s\n' "$LIST" | sed -n 's|^\(shipcrate-[^/]*\)/VERSION$|\1|p' | head -n 1)"
[ -n "$TOP" ] || die "That zip is not a Shipcrate download (no shipcrate-*/VERSION inside)."
printf '%s\n' "$LIST" | grep -qx "$TOP/install.sh" || die "That zip is not a Shipcrate download (no install.sh inside)."

DEST="${SHIPCRATE_DIR:-$HOME/Shipcrate}"
TMP="$(mktemp -d "$HOME/.shipcrate-unpack.XXXXXX")"
trap 'rm -rf "$TMP"' EXIT INT TERM
unzip -q "$ZIP" -d "$TMP" || die "Could not unpack the zip."
[ -f "$TMP/$TOP/install.sh" ] || die "The unpacked folder is missing install.sh."
say "Version $(cat "$TMP/$TOP/VERSION")"

if [ -d "$DEST" ]; then
  say "Upgrading $DEST (keeping your projects and companion-app settings)."
  if [ -d "$DEST/studio/data" ]; then
    rm -rf "$TMP/$TOP/studio/data"
    mkdir -p "$TMP/$TOP/studio"
    cp -R "$DEST/studio/data" "$TMP/$TOP/studio/data"
  fi
  for d in "$DEST"/companions/*/; do
    n="$(basename "$d")"
    [ -d "$TMP/$TOP/companions/$n" ] || continue
    for f in Team.xcconfig device.local; do
      [ -f "$d$f" ] && cp "$d$f" "$TMP/$TOP/companions/$n/$f"
    done
  done
  OLD="$DEST.old.$$"
  mv "$DEST" "$OLD"
  if mv "$TMP/$TOP" "$DEST"; then rm -rf "$OLD"; else mv "$OLD" "$DEST"; die "Could not replace $DEST; your old copy was left in place."; fi
else
  mv "$TMP/$TOP" "$DEST"
fi

rm -rf "$TMP"; trap - EXIT INT TERM   # exec below skips the trap
chmod +x "$DEST/install.sh" 2>/dev/null || true
cd "$DEST"
exec ./install.sh