#!/usr/bin/env bash
# One-shot retrieval: run mail-list-unread once and write output to agent-loop.pending (and status file).
# Run from repo root. Used by agent-loop agent for "x times" cycles.
#
# Usage:
#   cd <racine_projet> && ./ia_dev/gitea-issues/agent-loop-retrieval-once.sh
#
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

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

STATUS_FILE="${AGENT_LOOP_STATUS_FILE:-$LOGS_GITEA/agent-loop.status}"
PENDING_FILE="${AGENT_LOOP_PENDING_FILE:-$LOGS_GITEA/agent-loop.pending}"
mkdir -p "$(dirname "$STATUS_FILE")"

write_status() {
  printf "%s\n%s\n%s\n" "$(date -Iseconds)" "$1" "${2:-}" > "$STATUS_FILE"
}

out=""
if out=$("${GITEA_ISSUES_DIR}/mail-list-unread.sh" 2>&1); then
  if echo "$out" | grep -q "UID="; then
    write_status "mails_pending" "One-shot: mails non lus détectés."
    printf "%s\n%s\n%s\n%s\n" "$(date -Iseconds)" "mails_pending" "---" "$out" > "$PENDING_FILE"
    echo "[agent-loop-retrieval-once] $(date -Iseconds) — Mails non lus écrits dans agent-loop.pending"
  else
    write_status "idle" "One-shot: aucun mail non lu."
    [ -f "$PENDING_FILE" ] && : > "$PENDING_FILE"
    echo "[agent-loop-retrieval-once] $(date -Iseconds) — Aucun mail non lu"
  fi
else
  write_status "error" "mail-list-unread a échoué"
  echo "[agent-loop-retrieval-once] $(date -Iseconds) — Erreur mail-list-unread" >&2
  exit 1
fi