#!/usr/bin/env bash
# Claude Arabic Terminal — one-shot installer for macOS / Linux.
#   curl -fsSL https://raw.githubusercontent.com/JamalMohafil/claude-arabic-terminal/main/install.sh | bash
set -euo pipefail

REPO="https://github.com/JamalMohafil/claude-arabic-terminal.git"
DIR="${CLAUDE_ARABIC_DIR:-$HOME/.claude-arabic-terminal}"
EXT_DIR="$HOME/.vscode/extensions"
BIN_DIR="$HOME/.local/bin"

say()  { printf '\033[1;36m▸\033[0m %s\n' "$*"; }
ok()   { printf '\033[1;32m✓\033[0m %s\n' "$*"; }
fail() { printf '\033[1;31m✗\033[0m %s\n' "$*" >&2; exit 1; }

# --- prerequisites ---------------------------------------------------------
command -v git  >/dev/null || fail "git is required."
command -v node >/dev/null || fail "Node.js 18+ is required (https://nodejs.org)."
command -v npm  >/dev/null || fail "npm is required (comes with Node.js)."
command -v claude >/dev/null || [ -x "$HOME/.local/bin/claude" ] || fail "Claude Code CLI not found. Install it first: https://docs.anthropic.com/claude-code"
[ -d "$EXT_DIR" ] || fail "VS Code extensions folder not found at $EXT_DIR — is VS Code installed?"
NODE_MAJOR=$(node -p 'process.versions.node.split(".")[0]')
[ "$NODE_MAJOR" -ge 18 ] || fail "Node.js 18+ required (found $(node -v))."

# --- fetch / update --------------------------------------------------------
if [ -d "$DIR/.git" ]; then
  say "Updating existing install in $DIR"
  git -C "$DIR" pull --ff-only --quiet
else
  say "Cloning into $DIR"
  git clone --quiet --depth 1 "$REPO" "$DIR"
fi

# --- dependencies ----------------------------------------------------------
say "Installing dependencies (node-pty, @xterm/headless)"
( cd "$DIR" && npm install --omit=dev --no-audit --no-fund --loglevel=error )
chmod +x "$DIR"/node_modules/node-pty/prebuilds/*/spawn-helper 2>/dev/null || true
chmod +x "$DIR/bin/arabic"

# --- register the VS Code extension ---------------------------------------
VERSION=$(node -p "require('$DIR/package.json').version")
rm -rf "$EXT_DIR"/jamal.claude-arabic-terminal-*
ln -sfn "$DIR" "$EXT_DIR/jamal.claude-arabic-terminal-$VERSION"
ok "Extension linked: $EXT_DIR/jamal.claude-arabic-terminal-$VERSION"

# --- the `arabic` launcher -------------------------------------------------
mkdir -p "$BIN_DIR"
ln -sf "$DIR/bin/arabic" "$BIN_DIR/arabic"
ok "Launcher installed: $BIN_DIR/arabic"

case ":$PATH:" in
  *":$BIN_DIR:"*) ;;
  *)
    for rc in "$HOME/.zshrc" "$HOME/.bashrc"; do
      [ -f "$rc" ] && ! grep -q '\.local/bin' "$rc" && printf '\nexport PATH="$HOME/.local/bin:$PATH"\n' >> "$rc"
    done
    say "Added ~/.local/bin to your PATH (open a new terminal for it to take effect)."
    ;;
esac

cat <<MSG

$(printf '\033[1;32mClaude Arabic Terminal is installed.\033[0m')

Next steps:
  1. In VS Code: Cmd+Shift+P → "Developer: Reload Window"
  2. In any VS Code terminal, run:

       arabic claude

     Any Claude Code flag passes through, e.g.:
       arabic claude --dangerously-skip-permissions
       arabic claude --resume

  3. The first time, VS Code asks "Allow 'Claude Arabic Terminal' to open this URI?"
     → tick "Do not ask me again" and click Open.

Claude Code then runs in an Arabic-capable pane inside the VS Code terminal area.
MSG