#!/bin/bash
# script_engine module build -- four steps:
#   1. install xls2ddl
#   2. models/ (json) -> mysql.ddl.sql
#   3. json/ -> CRUD ui/dspy via xls2ui
#   4. symlink module wwwroot into main app wwwroot
set -e

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

# locate sage root
SAGE_ROOT=""
for candidate in "$SCRIPT_DIR/../.." "$HOME/repos/sage" "$HOME/sage"; do
    if [ -d "$candidate/wwwroot" ] && [ -d "$candidate/py3/bin" ]; then
        SAGE_ROOT="$(cd "$candidate" && pwd)"
        break
    fi
done

echo "== [1/4] install xls2ddl =="
pip install xls2ddl >/dev/null 2>&1 || pip3 install xls2ddl >/dev/null 2>&1 || true

echo "== [2/4] models -> DDL =="
cd "$SCRIPT_DIR/models"
json2ddl mysql . > mysql.ddl.sql 2>/dev/null || \
    "$SAGE_ROOT/py3/bin/python3" "$SAGE_ROOT/py3/bin/json2ddl" mysql . > mysql.ddl.sql

echo "== [3/4] json CRUD -> wwwroot =="
cd "$SCRIPT_DIR"
if [ -d json ] && ls json/*.json >/dev/null 2>&1; then
    PYTHONPATH="$SAGE_ROOT/py3/bin" python3 -m xls2ddl.xls2crud -m models -o wwwroot "$MOD" json/*.json || \
        "$SAGE_ROOT/py3/bin/xls2ui" -m models -o wwwroot "$MOD" json/*.json || true
fi

echo "== [4/4] symlink module wwwroot -> sage wwwroot =="
if [ -n "$SAGE_ROOT" ]; then
    ln -sfn "$SCRIPT_DIR/wwwroot" "$SAGE_ROOT/wwwroot/$MOD"
    for d in "$SCRIPT_DIR"/wwwroot/*/; do
        [ -d "$d" ] || continue
        base="$(basename "$d")"
        case "$base" in api|styles|scripts) continue ;; esac
        ln -sfn "$d" "$SAGE_ROOT/wwwroot/$base"
    done
    echo "symlinked $MOD wwwroot into $SAGE_ROOT/wwwroot"
else
    echo "WARN: sage root not found, skip symlink (run from a full sage checkout)"
fi

echo "== script_engine build done =="