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

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "$SCRIPT_DIR"

CONFIG_FILE="${1:-prepare.multi.json}"
VENV_DIR="$SCRIPT_DIR/.venv"
PYTHON_BIN="$VENV_DIR/bin/python"
PIP_BIN="$VENV_DIR/bin/pip"

if [[ ! -f "$CONFIG_FILE" ]]; then
  echo "ERROR: config not found: $CONFIG_FILE" >&2
  echo "Copy prepare.multi.example.json to prepare.multi.json first." >&2
  exit 1
fi

if [[ ! -f keys/arweave-wallet.json ]]; then
  echo "ERROR: Arweave wallet not found: keys/arweave-wallet.json" >&2
  echo "Put the private JWK there. The file is ignored by git." >&2
  exit 1
fi

if [[ ! -x "$PYTHON_BIN" ]]; then
  python3 -m venv "$VENV_DIR"
  "$PIP_BIN" install -r requirements.txt
fi

"$PYTHON_BIN" prepare/prepare_all_channels.py --config "$CONFIG_FILE"