/*
 * Minecraft Development for IntelliJ
 *
 * https://mcdev.io/
 *
 * Copyright (C) 2024 minecraft-dev
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, version 3.0 only.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
package com.demonwav.mcdev.creator.custom.derivation
 
import com.demonwav.mcdev.creator.custom.PropertyDerivation
import com.demonwav.mcdev.creator.custom.PropertyDerivationSelect
import com.demonwav.mcdev.creator.custom.TemplateEvaluator
import com.demonwav.mcdev.creator.custom.TemplateValidationReporter
import com.demonwav.mcdev.creator.custom.types.CreatorProperty
import com.intellij.openapi.diagnostic.getOrLogException
import com.intellij.openapi.diagnostic.thisLogger
 
class SelectPropertyDerivation(
    val parents: List<String>?,
    val options: List<PropertyDerivationSelect>,
    val default: Any?,
) : PreparedDerivation {
 
    override fun derive(parentValues: List<Any?>): Any? {
        val properties = if (!parents.isNullOrEmpty()) {
            parentValues.mapIndexed { i, value -> parents[i] to value }.toMap()
        } else {
            emptyMap()
        }
        for (option in options) {
            if (TemplateEvaluator.condition(properties, option.condition).getOrLogException(thisLogger()) == true) {
                return option.value
            }
        }
 
        return default
    }
 
    companion object : PropertyDerivationFactory {
 
        override fun create(
            reporter: TemplateValidationReporter,
            parents: List<CreatorProperty<*>?>?,
            derivation: PropertyDerivation
        ): PreparedDerivation? {
            if (derivation.select == null) {
                reporter.error("Missing select options")
                return null
            }
 
            return SelectPropertyDerivation(derivation.parents, derivation.select, derivation.default)
        }
    }
}