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

# Full sync + validation from a TAL URL (default: APNIC).
#
# Produces artifacts under OUT_DIR (default: target/live/manual_sync):
# - *_db_*               RocksDB directory
# - *_report_*.json      audit report
# - *_run_*.log          stdout/stderr log (includes summary)
# - *_db_stats_*.txt     db_stats --exact output
# - *_rrdp_state_*.tsv   rrdp_state_dump --view legacy-state output

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
cd "$ROOT_DIR"

TAL_URL="${TAL_URL:-https://tal.apnic.net/tal-archive/apnic-rfc7730-https.tal}"
HTTP_TIMEOUT_SECS="${HTTP_TIMEOUT_SECS:-1800}"
RSYNC_TIMEOUT_SECS="${RSYNC_TIMEOUT_SECS:-1800}"
RSYNC_MIRROR_ROOT="${RSYNC_MIRROR_ROOT:-}"
VALIDATION_TIME="${VALIDATION_TIME:-}"

OUT_DIR="${OUT_DIR:-$ROOT_DIR/target/live/manual_sync}"
mkdir -p "$OUT_DIR"

TS="$(date -u +%Y%m%dT%H%M%SZ)"
RUN_NAME="${RUN_NAME:-apnic_full_${TS}}"

DB_DIR="${DB_DIR:-$OUT_DIR/${RUN_NAME}_db}"
REPORT_JSON="${REPORT_JSON:-$OUT_DIR/${RUN_NAME}_report.json}"
RUN_LOG="${RUN_LOG:-$OUT_DIR/${RUN_NAME}_run.log}"
DB_STATS_TXT="${DB_STATS_TXT:-$OUT_DIR/${RUN_NAME}_db_stats.txt}"
RRDP_STATE_TSV="${RRDP_STATE_TSV:-$OUT_DIR/${RUN_NAME}_rrdp_state.tsv}"
RUN_META_JSON="${RUN_META_JSON:-$OUT_DIR/${RUN_NAME}_meta.json}"
SUMMARY_MD="${SUMMARY_MD:-$OUT_DIR/${RUN_NAME}_summary.md}"

echo "== rpki manual full sync ==" >&2
echo "tal_url=$TAL_URL" >&2
echo "db=$DB_DIR" >&2
echo "report_json=$REPORT_JSON" >&2
echo "out_dir=$OUT_DIR" >&2

cmd=(cargo run --release --bin rpki -- \
  --db "$DB_DIR" \
  --tal-url "$TAL_URL" \
  --http-timeout-secs "$HTTP_TIMEOUT_SECS" \
  --rsync-timeout-secs "$RSYNC_TIMEOUT_SECS" \
  --report-json "$REPORT_JSON")

if [[ -n "${RSYNC_MIRROR_ROOT}" ]]; then
  cmd+=(--rsync-mirror-root "$RSYNC_MIRROR_ROOT")
fi
if [[ -n "${VALIDATION_TIME}" ]]; then
  cmd+=(--validation-time "$VALIDATION_TIME")
fi

script_start_s="$(date +%s)"
run_start_s="$(date +%s)"
(
  echo "# command:"
  printf '%q ' "${cmd[@]}"
  echo
  echo
  "${cmd[@]}"
) 2>&1 | tee "$RUN_LOG" >/dev/null
run_end_s="$(date +%s)"
run_duration_s="$((run_end_s - run_start_s))"

echo "== db_stats (exact) ==" >&2
db_stats_start_s="$(date +%s)"
cargo run --release --bin db_stats -- --db "$DB_DIR" --exact 2>&1 | tee "$DB_STATS_TXT" >/dev/null
db_stats_end_s="$(date +%s)"
db_stats_duration_s="$((db_stats_end_s - db_stats_start_s))"

echo "== rrdp_state_dump (legacy-state) ==" >&2
state_start_s="$(date +%s)"
cargo run --release --bin rrdp_state_dump -- --db "$DB_DIR" --view legacy-state >"$RRDP_STATE_TSV"
state_end_s="$(date +%s)"
state_duration_s="$((state_end_s - state_start_s))"

script_end_s="$(date +%s)"
total_duration_s="$((script_end_s - script_start_s))"

echo "== write run meta + summary ==" >&2
TAL_URL="$TAL_URL" \
DB_DIR="$DB_DIR" \
REPORT_JSON="$REPORT_JSON" \
RUN_LOG="$RUN_LOG" \
HTTP_TIMEOUT_SECS="$HTTP_TIMEOUT_SECS" \
RSYNC_TIMEOUT_SECS="$RSYNC_TIMEOUT_SECS" \
VALIDATION_TIME_ARG="$VALIDATION_TIME" \
RUN_DURATION_S="$run_duration_s" \
DB_STATS_DURATION_S="$db_stats_duration_s" \
STATE_DURATION_S="$state_duration_s" \
TOTAL_DURATION_S="$total_duration_s" \
  python3 - "$REPORT_JSON" "$RUN_META_JSON" "$SUMMARY_MD" <<'PY'
import json
import os
import sys
from datetime import datetime, timezone
from pathlib import Path

report_path = Path(sys.argv[1])
meta_path = Path(sys.argv[2])
summary_path = Path(sys.argv[3])

rep = json.loads(report_path.read_text(encoding="utf-8"))

now = datetime.now(timezone.utc).strftime("%Y-%m-%dT%H:%M:%SZ")
download_stats = rep.get("download_stats") or {}
meta = {
  "recorded_at_utc": now,
  "tal_url": os.environ["TAL_URL"],
  "db_dir": os.environ["DB_DIR"],
  "report_json": os.environ["REPORT_JSON"],
  "run_log": os.environ["RUN_LOG"],
  "validation_time_rfc3339_utc": rep["meta"]["validation_time_rfc3339_utc"],
  "http_timeout_secs": int(os.environ["HTTP_TIMEOUT_SECS"]),
  "rsync_timeout_secs": int(os.environ["RSYNC_TIMEOUT_SECS"]),
  "validation_time_arg": os.environ.get("VALIDATION_TIME_ARG",""),
  "durations_secs": {
    "rpki_run": int(os.environ["RUN_DURATION_S"]),
    "db_stats_exact": int(os.environ["DB_STATS_DURATION_S"]),
    "rrdp_state_dump": int(os.environ["STATE_DURATION_S"]),
    "total_script": int(os.environ["TOTAL_DURATION_S"]),
  },
  "counts": {
    "publication_points_processed": rep["tree"]["instances_processed"],
    "publication_points_failed": rep["tree"]["instances_failed"],
    "vrps": len(rep["vrps"]),
    "aspas": len(rep["aspas"]),
    "audit_publication_points": len(rep["publication_points"]),
  },
  "download_stats": download_stats,
}

meta_path.write_text(json.dumps(meta, ensure_ascii=False, indent=2) + "\n", encoding="utf-8")

lines = []
lines.append("# Manual full sync summary\\n\\n")
lines.append(f"- recorded_at_utc: `{now}`\\n")
lines.append(f"- tal_url: `{meta['tal_url']}`\\n")
lines.append(f"- db: `{meta['db_dir']}`\\n")
lines.append(f"- report_json: `{meta['report_json']}`\\n")
lines.append(f"- validation_time: `{meta['validation_time_rfc3339_utc']}`\\n\\n")
lines.append("## Results\\n\\n")
lines.append("| metric | value |\\n")
lines.append("|---|---:|\\n")
for k in ["publication_points_processed","publication_points_failed","vrps","aspas","audit_publication_points"]:
  lines.append(f"| {k} | {meta['counts'][k]} |\\n")
lines.append("\\n")
lines.append("## Durations (seconds)\\n\\n")
lines.append("| step | seconds |\\n")
lines.append("|---|---:|\\n")
for k,v in meta["durations_secs"].items():
  lines.append(f"| {k} | {v} |\\n")
lines.append("\\n")

lines.append("## Download Stats\\n\\n")
lines.append("- raw events: `report_json.downloads`\\n")
lines.append("- aggregated: `report_json.download_stats` (copied into meta.json)\\n\\n")

def fmt_u(v):
  if v is None:
    return ""
  return str(v)

by_kind = download_stats.get("by_kind") or {}
lines.append("| kind | ok | fail | duration_ms_total | bytes_total | objects_count_total | objects_bytes_total |\\n")
lines.append("|---|---:|---:|---:|---:|---:|---:|\\n")
for kind in sorted(by_kind.keys()):
  st = by_kind[kind] or {}
  lines.append(
    f"| {kind} | {st.get('ok_total',0)} | {st.get('fail_total',0)} | {st.get('duration_ms_total',0)} | {fmt_u(st.get('bytes_total'))} | {fmt_u(st.get('objects_count_total'))} | {fmt_u(st.get('objects_bytes_total'))} |\\n"
  )
lines.append("\\n")

summary_path.write_text("".join(lines), encoding="utf-8")
print(summary_path)
PY

echo "== done ==" >&2
echo "artifacts:" >&2
echo "- db:         $DB_DIR" >&2
echo "- report:     $REPORT_JSON" >&2
echo "- run log:    $RUN_LOG" >&2
echo "- db stats:   $DB_STATS_TXT" >&2
echo "- rrdp state: $RRDP_STATE_TSV" >&2
echo "- meta json:  $RUN_META_JSON" >&2
echo "- summary md: $SUMMARY_MD" >&2