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

# Nutze Junies robuste Pfad-Ermittlung
source "$(dirname "${BASH_SOURCE[0]}")/lib/common.sh"
REPO_ROOT="$(resolve_repo_root)"
cd "$REPO_ROOT"

AI_DIR=".ai"
DIST_DIR="$AI_DIR/dist"

mkdir -p "$DIST_DIR"

echo "[INFO] Generiere System-Prompts aus den Core-Rules..."

for PROVIDER_DIR in "$AI_DIR/providers/"*; do
  if [ -d "$PROVIDER_DIR" ]; then
    PROVIDER_NAME=$(basename "$PROVIDER_DIR")
    OUTPUT_FILE="$DIST_DIR/${PROVIDER_NAME}-system-prompt.md"

    echo "-> Baue Prompt für: $PROVIDER_NAME"

    # 1. Basis-Identität schreiben
    cat "$AI_DIR/prompts/system/base.md" > "$OUTPUT_FILE"
    echo -e "\n\n" >> "$OUTPUT_FILE"

    # 2. Alle globalen Regeln anhängen
    for RULE_FILE in "$AI_DIR/rules/"*.md; do
      if [ -f "$RULE_FILE" ]; then
        cat "$RULE_FILE" >> "$OUTPUT_FILE"
        echo -e "\n\n" >> "$OUTPUT_FILE"
      fi
    done

    # 3. Provider-Spezifika anhängen
    if [ -f "$PROVIDER_DIR/overlay.md" ]; then
      cat "$PROVIDER_DIR/overlay.md" >> "$OUTPUT_FILE"
    fi

    echo "[OK] $OUTPUT_FILE erfolgreich erstellt."
  fi
done