#!/bin/bash

set -u

SCRIPT_DIR="$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)"

pause_on_exit() {
    printf '\nPress Return to close this window...'
    read -r _
}
trap pause_on_exit EXIT

fail() {
    printf '\nError: %s\n' "$1" >&2
    exit 1
}

cd "$SCRIPT_DIR" || fail "Could not open the project directory."

[ -f ".venv/bin/activate" ] || fail \
    "The virtual environment is missing. Run install.command first."

# shellcheck disable=SC1091
. ".venv/bin/activate"

printf 'Enter the radioeins Top-100 overview URL:\n> '
IFS= read -r OVERVIEW_URL
[ -n "$OVERVIEW_URL" ] || fail "The URL must not be empty."

OUTPUT_DIR="$(python -c 'import sys; from radioeins_top100 import derive_output_dir; print(derive_output_dir(sys.argv[1]).resolve())' "$OVERVIEW_URL")" || fail \
    "Could not determine the output directory."

printf '\nStarting evaluation...\n\n'
python radioeins_top100.py "$OVERVIEW_URL"
STATUS=$?

printf '\nOutput directory: %s\n' "$OUTPUT_DIR"
if [ "$STATUS" -eq 0 ]; then
    printf 'Evaluation completed successfully.\n'
else
    printf 'Evaluation finished with errors (exit code %s).\n' "$STATUS" >&2
fi

exit "$STATUS"