#!/usr/bin/env bash
# ffprobe → normalized source profile (draft SPEC-1 preview).
set -euo pipefail

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
# shellcheck disable=SC1091
source "${ROOT}/lib/common.sh"
# shellcheck disable=SC1091
source "${ROOT}/lib/source.sh"

resolve_source "${1:-}"
require_cmd "${FFPROBE_BIN}"

probe_target="${SOURCE_URL}"
if [[ "${USE_YTDLP}" == "1" ]]; then
  warn "page URL — ffprobe may fail; use a direct m3u8/mp4 URL or run encode-once"
fi

log "probing ${probe_target}"
"${FFPROBE_BIN}" -hide_banner -loglevel error \
  -show_format -show_streams -print_format json \
  "${probe_target}" | python3 -c '
import json, sys
data = json.load(sys.stdin)
fmt = data.get("format", {})
streams = data.get("streams", [])
v = next((s for s in streams if s.get("codec_type") == "video"), None)
a = next((s for s in streams if s.get("codec_type") == "audio"), None)
out = {
    "duration": fmt.get("duration"),
    "bitrate": fmt.get("bit_rate"),
    "format": fmt.get("format_name"),
    "video": None,
    "audio": None,
}
if v:
    out["video"] = {
        "codec": v.get("codec_name"),
        "width": v.get("width"),
        "height": v.get("height"),
        "fps": v.get("avg_frame_rate"),
        "profile": v.get("profile"),
    }
if a:
    out["audio"] = {
        "codec": a.get("codec_name"),
        "channels": a.get("channels"),
        "sample_rate": a.get("sample_rate"),
    }
print(json.dumps(out, indent=2))
'