#!/usr/bin/env bash

set -Eeuo pipefail

SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd -P)
REPO_ROOT="${DCE_REPO_ROOT:-$(cd "$SCRIPT_DIR/.." && pwd -P)}"
CONFIG_PATH="${DCE_CONFIG_FILE:-$REPO_ROOT/config/scrape-targets.json}"
HANDOFF="$REPO_ROOT/scripts/operator-handoff.sh"
DOCUMENTS="$REPO_ROOT/scripts/run-documents-scrape.sh"
PROVE="$REPO_ROOT/scripts/prove-incremental-append.sh"
SYNC_GUI="$REPO_ROOT/scripts/sync-token-from-gui.sh"
LOG_DIR="$REPO_ROOT/logs"
# shellcheck source=lib/scrape-run-plan.sh
source "$SCRIPT_DIR/lib/scrape-run-plan.sh"

TARGET=""
SYNC_GUI_FLAG=0
DRY_RUN=0

usage() {
  cat <<EOF
Usage:
  $(basename "$0") [--target NAME] [--config PATH] [--sync-gui] [--dry-run]

End-to-end operator proof:
  operator-handoff → incremental scrape → prove-incremental-append

When --target is omitted, all enabled targets in the config are processed.

Logs append to logs/operator-proof-<timestamp>.log
EOF
}

die() {
  printf 'ERROR: %s\n' "$*" >&2
  exit 1
}

main() {
  while (($#)); do
    case "$1" in
      --target)
        [[ $# -ge 2 ]] || die "Missing value for --target."
        TARGET=$2
        shift 2
        ;;
      --config)
        [[ $# -ge 2 ]] || die "Missing value for --config."
        CONFIG_PATH=$2
        shift 2
        ;;
      --sync-gui)
        SYNC_GUI_FLAG=1
        shift
        ;;
      --dry-run)
        DRY_RUN=1
        shift
        ;;
      --help|-h)
        usage
        exit 0
        ;;
      *)
        die "Unknown option: $1"
        ;;
    esac
  done

  [[ -f "$CONFIG_PATH" ]] || die "Missing config: $CONFIG_PATH"

  local -a targets=()
  if [[ -n "$TARGET" ]]; then
    targets=("$TARGET")
  else
    mapfile -t targets < <(enabled_target_names "$CONFIG_PATH")
    ((${#targets[@]} > 0)) || die "No enabled targets in $CONFIG_PATH"
  fi

  mkdir -p "$LOG_DIR"
  local log_file
  log_file="$LOG_DIR/operator-proof-$(date -u +%Y%m%dT%H%M%SZ).log"

  local failed=0 succeeded=0 name

  {
    if [[ -n "$TARGET" ]]; then
      printf 'Operator proof for target %s\n' "$TARGET"
    else
      printf 'Operator proof for %s enabled target(s)\n' "${#targets[@]}"
    fi
    printf 'config: %s\n' "$CONFIG_PATH"
    print_scrape_config_plan "$CONFIG_PATH" "Operator proof" "${targets[@]}"
    printf 'started: %s\n\n' "$(date -u +%Y-%m-%dT%H:%M:%SZ)"

    if (( SYNC_GUI_FLAG == 1 )); then
      [[ -x "$SYNC_GUI" ]] || die "Missing sync-token-from-gui.sh"
      "$SYNC_GUI" --force
    fi

    "$HANDOFF" --config "$CONFIG_PATH"

    if (( DRY_RUN == 1 )); then
      printf '\nDry run complete (no Discord scrape).\n'
      exit 0
    fi

    for name in "${targets[@]}"; do
      printf '\n--- Target: %s ---\n' "$name"
      if "$DOCUMENTS" --config "$CONFIG_PATH" --target "$name" && "$PROVE" --config "$CONFIG_PATH" --target "$name"; then
        succeeded=$((succeeded + 1))
        printf 'Operator proof passed for %s\n' "$name"
      else
        failed=$((failed + 1))
        printf 'Operator proof FAILED for %s\n' "$name" >&2
      fi
    done

    printf '\nOperator proof summary: %s succeeded, %s failed (of %s)\n' \
      "$succeeded" "$failed" "${#targets[@]}"
    (( failed == 0 )) || exit 1
  } 2>&1 | tee "$log_file"

  printf 'Log: %s\n' "$log_file"
}

main "$@"