#!/usr/bin/env sh
# envstore installer — https://envstore.xyz/install
# Source: https://github.com/michael-ketzer/envstore.xyz
set -eu

REPO="michael-ketzer/envstore.xyz"
BINARY="envstore"

# --- Resolve OS / arch ---------------------------------------------------------
uname_s=$(uname -s)
uname_m=$(uname -m)

case "$uname_s" in
  Darwin) OS="darwin" ;;
  Linux)  OS="linux"  ;;
  *)
    echo "envstore: unsupported OS '$uname_s'. Open an issue at https://github.com/$REPO/issues" >&2
    exit 1
    ;;
esac

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

# --- Pick install destination --------------------------------------------------
INSTALL_DIR="/usr/local/bin"
if [ ! -w "$INSTALL_DIR" ]; then
  INSTALL_DIR="$HOME/.local/bin"
  mkdir -p "$INSTALL_DIR"
  case ":$PATH:" in
    *:"$INSTALL_DIR":*) ;;
    *)
      echo "envstore: \$HOME/.local/bin is not on your PATH. Add it to your shell rc:"
      echo "    export PATH=\"\$HOME/.local/bin:\$PATH\""
      ;;
  esac
fi

# --- Resolve latest release tag -------------------------------------------------
echo "envstore: fetching latest release..."
LATEST_TAG=$(curl -fsSL "https://api.github.com/repos/$REPO/releases/latest" \
  | grep '"tag_name":' | head -n 1 | cut -d '"' -f 4)
if [ -z "$LATEST_TAG" ]; then
  echo "envstore: no public release yet — the CLI hasn't shipped. Watch the repo: https://github.com/$REPO" >&2
  exit 1
fi

ASSET="$BINARY-$OS-$ARCH"
URL="https://github.com/$REPO/releases/download/$LATEST_TAG/$ASSET"

echo "envstore: installing $LATEST_TAG ($OS/$ARCH) → $INSTALL_DIR/$BINARY"
TMP=$(mktemp)
curl -fSL "$URL" -o "$TMP"
chmod +x "$TMP"
mv "$TMP" "$INSTALL_DIR/$BINARY"

echo "envstore: installed. Run \`envstore login\` to get started."