#!/usr/bin/env bash
# =============================================================================
# architect-run.sh — Cron wrapper: architect execution via SDK + formula
#
# Synchronous bash loop using claude -p (one-shot invocation).
# No tmux sessions, no phase files — the bash script IS the state machine.
#
# Flow:
#   1. Guards: cron lock, memory check
#   2. Source lib/env.sh, lib/formula-session.sh
#   3. Override FORGE_TOKEN with FORGE_ARCHITECT_TOKEN
#   4. Load formula from formulas/run-architect.toml
#   5. Build context: VISION.md, AGENTS.md, prerequisite tree from ops repo
#   6. Call agent_run to execute formula
#
# Usage:
#   architect-run.sh [projects/disinto.toml]   # project config (default: disinto)
#
# Cron: 0 */6 * * *   # every 6 hours
# =============================================================================
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
FACTORY_ROOT="$(dirname "$SCRIPT_DIR")"

# Accept project config from argument; default to disinto
export PROJECT_TOML="${1:-$FACTORY_ROOT/projects/disinto.toml}"
# shellcheck source=../lib/env.sh
source "$FACTORY_ROOT/lib/env.sh"
# Override FORGE_TOKEN with architect-bot's token (#747)
FORGE_TOKEN="${FORGE_ARCHITECT_TOKEN:-${FORGE_TOKEN}}"
# shellcheck source=../lib/formula-session.sh
source "$FACTORY_ROOT/lib/formula-session.sh"
# shellcheck source=../lib/worktree.sh
source "$FACTORY_ROOT/lib/worktree.sh"
# shellcheck source=../lib/guard.sh
source "$FACTORY_ROOT/lib/guard.sh"
# shellcheck source=../lib/agent-sdk.sh
source "$FACTORY_ROOT/lib/agent-sdk.sh"

LOG_FILE="$SCRIPT_DIR/architect.log"
# shellcheck disable=SC2034  # consumed by agent-sdk.sh
LOGFILE="$LOG_FILE"
# shellcheck disable=SC2034  # consumed by agent-sdk.sh
SID_FILE="/tmp/architect-session-${PROJECT_NAME}.sid"
SCRATCH_FILE="/tmp/architect-${PROJECT_NAME}-scratch.md"
WORKTREE="/tmp/${PROJECT_NAME}-architect-run"

log() { echo "[$(date -u +%Y-%m-%dT%H:%M:%S)Z] $*" >> "$LOG_FILE"; }

# Ensure AGENT_IDENTITY is set for profile functions
if [ -z "${AGENT_IDENTITY:-}" ] && [ -n "${FORGE_ARCHITECT_TOKEN:-}" ]; then
  AGENT_IDENTITY=$(curl -sf -H "Authorization: token ${FORGE_ARCHITECT_TOKEN}" \
    "${FORGE_URL:-http://localhost:3000}/api/v1/user" 2>/dev/null | jq -r '.login // empty' 2>/dev/null || true)
fi

# ── Guards ────────────────────────────────────────────────────────────────
check_active architect
acquire_cron_lock "/tmp/architect-run.lock"
check_memory 2000

log "--- Architect run start ---"

# ── Load formula + context ───────────────────────────────────────────────
load_formula "$FACTORY_ROOT/formulas/run-architect.toml"
build_context_block VISION.md AGENTS.md ops:prerequisites.md ops:sprints/.gitkeep

# ── Build structural analysis graph ──────────────────────────────────────
build_graph_section

# ── Ensure ops repo is available ───────────────────────────────────────
ensure_ops_repo

# ── Load lessons from .profile repo (pre-session) ────────────────────────
profile_load_lessons || true
LESSONS_INJECTION="${LESSONS_CONTEXT:-}"

# ── Read scratch file (compaction survival) ───────────────────────────────
SCRATCH_CONTEXT=$(read_scratch_context "$SCRATCH_FILE")
SCRATCH_INSTRUCTION=$(build_scratch_instruction "$SCRATCH_FILE")

# ── Build prompt ─────────────────────────────────────────────────────────
build_sdk_prompt_footer "
  Relabel:     curl -sf -H \"Authorization: token \${FORGE_TOKEN}\" -X PUT -H 'Content-Type: application/json' '${FORGE_API}/issues/{number}/labels' -d '{\"labels\":[LABEL_ID]}'
  Comment:     curl -sf -H \"Authorization: token \${FORGE_TOKEN}\" -X POST -H 'Content-Type: application/json' '${FORGE_API}/issues/{number}/comments' -d '{\"body\":\"...\"}'
  Close:       curl -sf -H \"Authorization: token \${FORGE_TOKEN}\" -X PATCH -H 'Content-Type: application/json' '${FORGE_API}/issues/{number}' -d '{\"state\":\"closed\"}'
"

PROMPT="You are the architect agent for ${FORGE_REPO}. Work through the formula below.

## Project context
${CONTEXT_BLOCK}${LESSONS_INJECTION:+## Lessons learned
${LESSONS_INJECTION}
}
${GRAPH_SECTION}${SCRATCH_CONTEXT:+${SCRATCH_CONTEXT}
}
## Formula
${FORMULA_CONTENT}

${SCRATCH_INSTRUCTION}

${PROMPT_FOOTER}"

# ── Create worktree ──────────────────────────────────────────────────────
formula_worktree_setup "$WORKTREE"

# ── Run agent ─────────────────────────────────────────────────────────────
export CLAUDE_MODEL="opus"

agent_run --worktree "$WORKTREE" "$PROMPT"
log "agent_run complete"

# Write journal entry post-session
profile_write_journal "architect-run" "Architect run $(date -u +%Y-%m-%d)" "complete" "" || true

rm -f "$SCRATCH_FILE"
log "--- Architect run done ---"