setup

#!/usr/bin/env bash
set -euo pipefail

REPO="https://github.com/crabtalk/wechat-skill"
SKILL_DIR="$HOME/.claude/skills/crabchat"

# ── Step 1: ensure cargo is available ────────────────────────────────

if ! command -v cargo &>/dev/null; then
    echo "==> Rust not found, installing via rustup..."
    curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
    source "$HOME/.cargo/env"
fi

# ── Step 2: install crabchat binary ──────────────────────────────────

echo "==> Installing crabchat"
cargo install --git "$REPO" crabchat --locked

# ── Step 3: install skill definition ─────────────────────────────────

echo "==> Installing skill to $SKILL_DIR"
mkdir -p "$SKILL_DIR"
curl -sSfL "$REPO/raw/main/crabchat/SKILL.md" -o "$SKILL_DIR/SKILL.md"

echo "==> Done!"
echo "    Binary: $(command -v crabchat 2>/dev/null || echo '~/.cargo/bin/crabchat')"
echo "    Skill:  $SKILL_DIR/SKILL.md"
echo ""
echo "Next: ensure to_user_id is set in ~/.config/crabtalk/gateway.toml"