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

echo "==> Setting up Rust..."

if command -v rustup &>/dev/null; then
    echo "    rustup already installed, updating..."
    rustup update stable
else
    echo "    installing rustup..."
    curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --no-modify-path
    source "$HOME/.cargo/env"
fi

rustup toolchain install stable
rustup component add clippy rustfmt rust-analyzer

echo "==> Installing cargo tools..."

CARGO_TOOLS=(
    cargo-watch     # watch for changes and re-run
    cargo-expand    # expand macros
    cargo-nextest   # faster test runner
    cargo-flamegraph # CPU profiling / flamegraphs
    cargo-deny      # lint deps (licenses, duplicates, advisories)
    cargo-mutants   # mutation testing
    cargo-audit     # check deps for known vulnerabilities
)

for tool in "${CARGO_TOOLS[@]}"; do
    if cargo install --list | grep -q "^${tool} "; then
        echo "    $tool already installed, skipping"
    else
        cargo install "$tool"
    fi
done

echo "==> Rust done."