#!/usr/bin/env bash
# script_engine module build - four steps:
#   1) install xls2ddl
#   2) models/*.json -> mysql.ddl.sql (json2ddl)
#   3) json/*.json -> generated CRUD UI (xls2ui)
#   4) symlink module wwwroot into host app wwwroot
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "$SCRIPT_DIR"

PYTHON="${PYTHON:-python3}"

echo "[1/4] install xls2ddl..."
pip install xls2ddl

echo "[2/4] generate DDL from models/*.json..."
if [ -d models ]; then
    $PYTHON -m xls2ddl.json2ddl mysql . > mysql.ddl.sql
fi

echo "[3/4] generate CRUD UI from json/*.json..."
if [ -d json ]; then
    $PYTHON -m xls2ddl.xls2ui -m models -o wwwroot script_engine json/*.json
fi

echo "[4/4] symlink module wwwroot into host app wwwroot..."
# locate host app wwwroot: prefer sibling app dir under the same workspace
HOST_WWWROOT=""
for candidate in \
    "$SCRIPT_DIR/../../apps/yuanjing/wwwroot" \
    "$SCRIPT_DIR/../../yuanjing/wwwroot" \
    "$SCRIPT_DIR/../yuanjing/wwwroot" \
    "$HOME/repos/yuanjing/wwwroot"; do
    if [ -d "$candidate" ]; then
        HOST_WWWROOT="$(cd "$candidate" && pwd)"
        break
    fi
done
if [ -n "$HOST_WWWROOT" ]; then
    mkdir -p "$HOST_WWWROOT/script_engine"
    ln -sfn "$SCRIPT_DIR/wwwroot" "$HOST_WWWROOT/script_engine"
    # link generated CRUD subdirs (script_engine_list) individually
    for sub in "$SCRIPT_DIR/wwwroot"/*/; do
        name="$(basename "$sub")"
        case "$name" in
            api|styles|scripts) continue ;;
        esac
        ln -sfn "$sub" "$HOST_WWWROOT/script_engine/$name"
    done
    echo "wwwroot linked to $HOST_WWWROOT/script_engine"
else
    echo "WARN: host app wwwroot not found - skip symlink (deploy step will link)"
fi

echo "script_engine build done"