#!/bin/sh
set -e

# Sequel CLI installer
REPO="sequelsh/sequel"
BIN_NAME="sequel"

# ── Detect platform ───────────────────────────────────────────────────────────
OS="$(uname -s)"
ARCH="$(uname -m)"

case "$OS" in
  Darwin) OS="darwin" ;;
  Linux)  OS="linux" ;;
  *) echo "Unsupported OS: $OS" >&2; exit 1 ;;
esac

case "$ARCH" in
  arm64|aarch64) ARCH="arm64" ;;
  x86_64|amd64)  ARCH="x64" ;;
  *) echo "Unsupported architecture: $ARCH" >&2; exit 1 ;;
esac

ASSET="${BIN_NAME}-${OS}-${ARCH}"
URL="https://github.com/${REPO}/releases/latest/download/${ASSET}"

echo "Downloading Sequel CLI ($OS/$ARCH)…"
TMP="$(mktemp)"
if ! curl -fsSL "$URL" -o "$TMP"; then
  echo "Failed to download $URL" >&2
  exit 1
fi
chmod +x "$TMP"

# ── Choose an install location ────────────────────────────────────────────────
if [ -w /usr/local/bin ] 2>/dev/null; then
  DEST="/usr/local/bin/${BIN_NAME}"
  mv "$TMP" "$DEST"
elif command -v sudo >/dev/null 2>&1 && [ -d /usr/local/bin ]; then
  DEST="/usr/local/bin/${BIN_NAME}"
  sudo mv "$TMP" "$DEST"
else
  mkdir -p "$HOME/.sequel/bin"
  DEST="$HOME/.sequel/bin/${BIN_NAME}"
  mv "$TMP" "$DEST"
  case ":$PATH:" in
    *":$HOME/.sequel/bin:"*) ;;
    *) echo ""; echo "Add this to your shell profile:"; echo "  export PATH=\"\$HOME/.sequel/bin:\$PATH\"" ;;
  esac
fi

echo ""
echo "Installed Sequel CLI to $DEST"
echo "Run 'sequel login' to get started."