#!/bin/bash
# lib/steps/python_env.sh — venv + pip install editable

step_python_env() {
    print_section "Python Environment"
    log_step "Virtual environment + dependencies" 3 $TOTAL_STEPS

    _create_venv
    _pip_install
}

_create_venv() {
    if [ -d "$HV_VENV" ]; then
        log_warn "venv ya existe: ${HV_VENV}"
        if ask_confirm "Recrear venv?"; then
            rm -rf "$HV_VENV"
        else
            log_skip "venv existente conservado"
            source "$HV_VENV/bin/activate"
            return 0
        fi
    fi

    start_spinner "Creando virtual environment (${PYTHON_BIN})..."
    "$PYTHON_BIN" -m venv "$HV_VENV"
    stop_spinner "venv creado → ${HV_VENV}"

    source "$HV_VENV/bin/activate"

    start_spinner "Actualizando pip..."
    pip install --quiet --upgrade pip
    stop_spinner "pip actualizado"
}

_pip_install() {
    source "$HV_VENV/bin/activate"

    # Fix: la GUI puede pedir core==2.3.4 pero core puede ser 2.3.x
    if [ -f "$HV_GUI/pyproject.toml" ]; then
        sed -i 's/sp-hydra-veil-core == [0-9.]*/sp-hydra-veil-core >= 2.3.0/' \
            "$HV_GUI/pyproject.toml" 2>/dev/null || true
    fi

    # Orden de instalación: dependencias primero
    for name in essentials core cli gui; do
        local dir
        case "$name" in
            essentials) dir="$HV_ESSENTIALS" ;;
            core)       dir="$HV_CORE"       ;;
            cli)        dir="$HV_CLI"        ;;
            gui)        dir="$HV_GUI"        ;;
        esac

        if [ ! -d "$dir" ]; then
            log_warn "${name} no encontrado en ${dir} — omitiendo"
            continue
        fi

        start_spinner "Instalando ${name} (editable)..."
        if pip install --quiet -e "$dir" 2>/tmp/pip_err_${name}; then
            stop_spinner "${name} instalado"
        else
            stop_spinner
            log_error "pip install falló para ${name}:"
            tail -5 /tmp/pip_err_${name}
            exit 1
        fi
    done
}