#!/usr/bin/env bash
# Run N cycles of (retrieval + treatment via Cursor Agent CLI + sleep 60s) in foreground.
# Uses same lock as section 2. When AGENT_LOOP_RUN_AGENT=1 and "agent" in PATH, runs
# gitea-issues-process workflow via CLI each cycle (same as agent-loop.sh). No contournement:
# /agent-loop 600 = agent runs this script with N=600 and timeout ~11h; script does 600 full cycles.
#
# Usage: from ia_dev root: ./gitea-issues/agent-loop-n-cycles.sh [N]
#   N = number of cycles (default 600). Each cycle = retrieval + agent CLI (if configured) + 60s sleep.
#
set -euo pipefail
if [ -n "${HOME:-}" ] && [ -r "$HOME/.bashrc" ]; then
  set +u
  # shellcheck source=/dev/null
  source "$HOME/.bashrc" 2>/dev/null || true
  set -u
fi
[ -n "${HOME:-}" ] && [ -d "$HOME/.local/bin" ] && export PATH="$HOME/.local/bin:$PATH"

GITEA_ISSUES_DIR="${GITEA_ISSUES_DIR:-$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)}"
ROOT="$(cd "${GITEA_ISSUES_DIR}/../.." && pwd)"
IA_DEV_ROOT="${GITEA_ISSUES_DIR}/.."
export GITEA_ISSUES_DIR
export REPO_ROOT="${ROOT}"
cd "$ROOT"
# shellcheck source=lib.sh
source "${GITEA_ISSUES_DIR}/lib.sh" 2>/dev/null || true

AGENT_LOOP_ENV="${IA_DEV_ROOT}/.secrets/gitea-issues/agent-loop.env"
if [ -r "$AGENT_LOOP_ENV" ]; then
  set +u
  # shellcheck source=/dev/null
  source "$AGENT_LOOP_ENV"
  set -u
fi

N="${1:-600}"
if ! [[ "$N" =~ ^[0-9]+$ ]] || [ "$N" -lt 1 ]; then
  echo "[agent-loop-n-cycles] Usage: $0 [N]  (N positive integer, default 600)" >&2
  exit 1
fi

"${GITEA_ISSUES_DIR}/agent-loop-lock-acquire.sh" || exit 1

AGENT_PROMPT="Exécute le workflow mails du spooler (agent gitea-issues-process). 1) Lister les mails à traiter avec ./gitea-issues/list-pending-spooler.sh (ou utiliser les chemins dans agent-loop.pending). 2) Pour chaque fichier .pending : lire le JSON (from, to, subject, body, message_id, base). Répondre à l'expéditeur (--to <from> du JSON), pas à une adresse fixe ; le « to » du mail reçu a déjà déterminé le projet. Rédiger une réponse pertinente (uniquement ton texte, pas de citation ; mail-send-reply.sh refuse si le body contient From:, Message-ID, wrote:, etc.). Envoyer avec ./gitea-issues/mail-send-reply.sh --to <from> --subject \"Re: ...\" --body \"<ta_réponse>\" --in-reply-to \"<message_id>\". Après envoi réussi : ./gitea-issues/write-response-spooler.sh --base <base> --to <from> --subject \"Re: ...\" --body \"<ta_réponse>\" --in-reply-to \"<message_id>\". Ne pas appeler mail-mark-read.sh (spooler)."

i=1
while [ "$i" -le "$N" ]; do
  if "${GITEA_ISSUES_DIR}/agent-loop-stop-requested.sh" 2>/dev/null; then
    echo "[agent-loop-n-cycles] $(date -Iseconds) — Arrêt demandé (cycle $i/$N). Libération du lock."
    "${GITEA_ISSUES_DIR}/agent-loop-lock-release.sh"
    exit 0
  fi
  echo "[agent-loop-n-cycles] $(date -Iseconds) — Cycle $i/$N"
  "${GITEA_ISSUES_DIR}/agent-loop-retrieval-once.sh" || true

  if [ "${AGENT_LOOP_RUN_AGENT:-0}" = "1" ] && command -v agent >/dev/null 2>&1; then
    AGENT_MODEL="${AGENT_LOOP_MODEL:-sonnet-4.6}"
    if agent -p "$AGENT_PROMPT" -f --model "$AGENT_MODEL" 2>&1; then
      : # agent done
    else
      echo "[agent-loop-n-cycles] $(date -Iseconds) — Agent terminé avec erreur ou interruption (cycle $i/$N)"
    fi
  fi

  if [ "$i" -lt "$N" ]; then
    sleep 60
  fi
  i=$((i + 1))
done

"${GITEA_ISSUES_DIR}/agent-loop-lock-release.sh"
echo "[agent-loop-n-cycles] $(date -Iseconds) — $N cycles terminés."