#!/usr/bin/env sh
# cc (copy claude) installer — https://cc.softwaresoftware.dev
#   curl -fsSL https://cc.softwaresoftware.dev/install.sh | sh
set -eu

BASE_URL="${CC_BASE_URL:-https://cc.softwaresoftware.dev}"
BIN_DIR="${CC_BIN_DIR:-$HOME/.local/bin}"

say() { printf '%s\n' "$*" >&2; }

if ! command -v python3 >/dev/null 2>&1; then
  say "cc: python3 is required (3.8+). Install it and re-run."
  exit 1
fi

mkdir -p "$BIN_DIR"
tmp="$(mktemp)"
if command -v curl >/dev/null 2>&1; then
  curl -fsSL "$BASE_URL/cc" -o "$tmp"
elif command -v wget >/dev/null 2>&1; then
  wget -qO "$tmp" "$BASE_URL/cc"
else
  say "cc: need curl or wget"; exit 1
fi
head -c 200 "$tmp" | grep -q "copy claude" || { say "cc: download looked wrong, aborting"; rm -f "$tmp"; exit 1; }
install -m 0755 "$tmp" "$BIN_DIR/cc"
cp "$BIN_DIR/cc" "$BIN_DIR/claude-copy"
rm -f "$tmp"

say "cc: installed to $BIN_DIR/cc  (also available as claude-copy)"

# Warn about a shadowed C compiler (cc passes unknown args through to it, so builds keep working)
other=""
IFS_SAVE=$IFS; IFS=:
for d in $PATH; do
  [ -z "$d" ] && continue
  [ "$d" = "$BIN_DIR" ] && continue
  if [ -x "$d/cc" ] && ! head -c 200 "$d/cc" 2>/dev/null | grep -q "copy claude"; then other="$d/cc"; break; fi
done
IFS=$IFS_SAVE
if [ -n "$other" ]; then
  say "cc: note: $other (probably your C compiler) will be shadowed once $BIN_DIR is first on PATH."
  say "    Anything cc doesn't recognize is passed straight through to it, so 'cc foo.c -o foo' still compiles."
fi

case ":$PATH:" in
  *":$BIN_DIR:"*) ;;
  *) say "cc: $BIN_DIR is not on your PATH. Add this to your shell rc:"
     say "    export PATH=\"$BIN_DIR:\$PATH\"" ;;
esac

# Clipboard tool hint (Linux)
if [ "$(uname -s)" = "Linux" ] && ! command -v wl-copy >/dev/null 2>&1 && ! command -v xclip >/dev/null 2>&1 \
   && ! command -v xsel >/dev/null 2>&1 && ! command -v termux-clipboard-set >/dev/null 2>&1 \
   && ! grep -qi microsoft /proc/version 2>/dev/null; then
  say "cc: tip: install wl-clipboard (Wayland) or xclip (X11) for clipboard support; KDE klipper and OSC52 are used as fallbacks."
fi
say "cc: done. Try:  cc --help"