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

if [[ $# -ne 2 ]]; then
  echo "Uso: $0 config.json /ruta/destino" >&2
  exit 1
fi

CONFIG_PATH="$1"
DEST_PATH="$2"
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
TEMPLATE_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"

if [[ ! -f "$CONFIG_PATH" ]]; then
  echo "Config no encontrada: $CONFIG_PATH" >&2
  exit 1
fi

python3 - "$CONFIG_PATH" "$DEST_PATH" "$TEMPLATE_ROOT" <<'PY'
import json, sys, pathlib, shutil

config_path = pathlib.Path(sys.argv[1]).expanduser().resolve()
dest_root = pathlib.Path(sys.argv[2]).expanduser().resolve()
template_root = pathlib.Path(sys.argv[3]).resolve()

with open(config_path) as f:
    config = json.load(f)

def flatten(prefix, value, store):
    if isinstance(value, dict):
        for k, v in value.items():
            flatten(f"{prefix}{k.upper()}_", v, store)
    elif isinstance(value, list):
        store[prefix[:-1]] = ", ".join(str(v) for v in value)
    else:
        store[prefix[:-1]] = str(value)

replacements = {}
for key, val in config.items():
    if isinstance(val, (dict, list)):
        flatten(f"{key.upper()}_", val, replacements)
    else:
        replacements[key.upper()] = str(val)

def render_text(text: str) -> str:
    for key, value in replacements.items():
        text = text.replace(f"{{{{{key}}}}}", value)
    return text

template_paths = [
    "CULTURA-AGENTE.template.md",
    "agents.template.md",
    "memory.template.md",
    "context/README.template.md",
    "context/hosts.template.md",
    "context/traefik.template.md",
    "context/cron.template.md",
    "context/n8n.template.md",
    "context/git.template.md",
    "context/docker.template.md",
    "context/scripts.template.md",
    "context/opencode.template.md",
    "context/otros.template.md",
]

for rel in template_paths:
    template = template_root / rel
    if not template.exists():
        print(f"Aviso: {rel} no existe, omitiendo", file=sys.stderr)
        continue
    relative = template.relative_to(template_root)
    target_name = relative.name.replace(".template", "")
    target_rel = relative.parent / target_name
    target_path = dest_root / target_rel
    target_path.parent.mkdir(parents=True, exist_ok=True)
    content = template.read_text()
    rendered = render_text(content)
    target_path.write_text(rendered)
    print(f"Renderizado {target_rel}")

PY