#!/bin/sh
# tia-love — one-line installer (F-029)
#
#   curl -fsSL https://raw.githubusercontent.com/oxpoe/tia/main/install.sh | sh
#
# Mendeteksi OS/arch, mengunduh rilis terbaru dari GitHub Releases,
# memverifikasi SHA256, lalu memasang ke ~/.local/bin (tanpa sudo).
# Override lokasi: TIA_LOVE_INSTALL_DIR=/path

set -eu

REPO="oxpoe/tia"
BIN="tia-love"
DEST="${TIA_LOVE_INSTALL_DIR:-$HOME/.local/bin}"

os=$(uname -s | tr '[:upper:]' '[:lower:]')
arch=$(uname -m)
case "$arch" in
    x86_64 | amd64) arch=amd64 ;;
    aarch64 | arm64) arch=arm64 ;;
    *)
        echo "tia-love: arsitektur tidak didukung: $arch" >&2
        exit 1
        ;;
esac
case "$os" in
    linux | darwin) ;;
    *)
        echo "tia-love: OS tidak didukung: $os (Windows: gunakan WSL2)" >&2
        exit 1
        ;;
esac

echo "==> mencari rilis terbaru..."
tag=$(curl -fsSL "https://api.github.com/repos/$REPO/releases/latest" |
    grep -o '"tag_name": *"[^"]*"' | head -1 | cut -d'"' -f4)
if [ -z "${tag:-}" ]; then
    echo "tia-love: tidak menemukan rilis di github.com/$REPO/releases" >&2
    exit 1
fi

tarball="${BIN}_${os}_${arch}.tar.gz"
base="https://github.com/$REPO/releases/download/$tag"

tmp=$(mktemp -d)
trap 'rm -rf "$tmp"' EXIT

echo "==> unduh $tarball ($tag)"
curl -fsSL -o "$tmp/$tarball" "$base/$tarball"
curl -fsSL -o "$tmp/checksums.txt" "$base/checksums.txt"

echo "==> verifikasi SHA256"
if command -v sha256sum >/dev/null 2>&1; then
    verify="sha256sum -c -"
else
    verify="shasum -a 256 -c -" # macOS
fi
awk -v f="$tarball" '$2 == f' "$tmp/checksums.txt" |
    (cd "$tmp" && $verify >/dev/null) || {
    echo "tia-love: verifikasi checksum GAGAL — unduhan dibatalkan" >&2
    exit 1
}

tar -xzf "$tmp/$tarball" -C "$tmp" "$BIN"
mkdir -p "$DEST"
install -m 0755 "$tmp/$BIN" "$DEST/$BIN"

echo "==> terpasang: $DEST/$BIN ($tag)"
case ":$PATH:" in
    *":$DEST:"*) ;;
    *) echo "catatan: $DEST belum ada di \$PATH — tambahkan, lalu buka terminal baru" ;;
esac