core/src/main/kotlin/model/aditionalExtras.kt


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package org.jetbrains.dokka.model

import org.jetbrains.dokka.links.DRI
import org.jetbrains.dokka.model.properties.ExtraProperty
import org.jetbrains.dokka.model.properties.MergeStrategy

class AdditionalModifiers(val content: Set<ExtraModifiers>) : ExtraProperty<Documentable> {
    companion object : ExtraProperty.Key<Documentable, AdditionalModifiers> {
        override fun mergeStrategyFor(
            left: AdditionalModifiers,
            right: AdditionalModifiers
        ): MergeStrategy<Documentable> = MergeStrategy.Replace(AdditionalModifiers(left.content + right.content))
    }

    override fun equals(other: Any?): Boolean =
        if (other is AdditionalModifiers) other.content == content else false

    override fun hashCode() = content.hashCode()
    override val key: ExtraProperty.Key<Documentable, *> = AdditionalModifiers
}

class Annotations(val content: List<Annotation>) : ExtraProperty<Documentable> {
    companion object : ExtraProperty.Key<Documentable, Annotations> {
        override fun mergeStrategyFor(left: Annotations, right: Annotations): MergeStrategy<Documentable> =
            MergeStrategy.Replace(Annotations((left.content + right.content).distinct()))
    }

    override val key: ExtraProperty.Key<Documentable, *> = Annotations

    data class Annotation(val dri: DRI, val params: Map<String, String>) {
        override fun equals(other: Any?): Boolean = when(other) {
            is Annotation -> dri.equals(other.dri)
            else -> false
        }

        override fun hashCode(): Int = dri.hashCode()
    }
}

object PrimaryConstructorExtra: ExtraProperty<DFunction>, ExtraProperty.Key<DFunction, PrimaryConstructorExtra> {
    override val key: ExtraProperty.Key<DFunction, *> = this
}