#!/usr/bin/env bash
set -euo pipefail
source "$(dirname "$0")/../lib/common.sh" 2>/dev/null || source "$(dirname "$0")/common.sh"
source "$(dirname "$0")/../lib/flags.sh" 2>/dev/null || source "$(dirname "$0")/flags.sh"

usage() {
    cat <<EOF
Usage: flag-reader [OPTIONS] [name ...]

Show feature flag state. Flags live in $FLAGS_DIR

  flag-reader              list all flags with status
  flag-reader <name>...    status per flag (exit 0 if all are set)
  flag-reader --raw <name> print the raw stored value only (script-friendly)
EOF
    exit 0
}

RAW=0
NAMES=()

for arg in "$@"; do
    case "$arg" in
        -h|--help) usage ;;
        --raw) RAW=1 ;;
        -*) echo "ERROR: unknown option: $arg" >&2; exit 1 ;;
        *) NAMES+=("$arg") ;;
    esac
done

if [ "$RAW" -eq 1 ]; then
    [ "${#NAMES[@]}" -eq 1 ] || { echo "ERROR: --raw requires exactly one name" >&2; exit 1; }
    flag_value "${NAMES[0]}"
    exit 0
fi

if [ "${#NAMES[@]}" -eq 0 ]; then
    if [ -d "$FLAGS_DIR" ] && [ -n "$(ls -A "$FLAGS_DIR" 2>/dev/null)" ]; then
        for f in "$FLAGS_DIR"/*; do
            [ -f "$f" ] || continue
            flag_status "$(basename "$f")"
        done
    else
        warn "no flags set"
    fi
    exit 0
fi

rc=0
for name in "${NAMES[@]}"; do
    if flag_is_set "$name"; then
        ok "$(flag_status "$name")"
    else
        warn "$(flag_status "$name")"
        rc=1
    fi
done
exit "$rc"