package com.condado.newsletter.model

import jakarta.persistence.CascadeType
import jakarta.persistence.Column
import jakarta.persistence.Entity
import jakarta.persistence.EnumType
import jakarta.persistence.Enumerated
import jakarta.persistence.FetchType
import jakarta.persistence.GeneratedValue
import jakarta.persistence.GenerationType
import jakarta.persistence.Id
import jakarta.persistence.JoinColumn
import jakarta.persistence.ManyToOne
import jakarta.persistence.OneToMany
import jakarta.persistence.Table
import org.hibernate.annotations.CreationTimestamp
import java.time.LocalDateTime
import java.util.UUID

/**
 * Represents a configurable task belonging to a virtual entity.
 */
@Entity
@Table(name = "entity_tasks")
class EntityTask(
    @ManyToOne(fetch = FetchType.LAZY)
    @JoinColumn(name = "entity_id", nullable = false)
    val virtualEntity: VirtualEntity,

    @Column(nullable = false)
    val name: String,

    @Column(columnDefinition = "TEXT", nullable = false)
    val prompt: String,

    @Column(name = "schedule_cron", nullable = false)
    val scheduleCron: String,

    @Column(name = "email_lookback", nullable = false)
    val emailLookback: String,

    @Enumerated(EnumType.STRING)
    @Column(name = "generation_source", nullable = false)
    val generationSource: TaskGenerationSource = TaskGenerationSource.LLAMA,

    @Column(nullable = false)
    val active: Boolean = true,

    @CreationTimestamp
    @Column(name = "created_at", updatable = false, nullable = false)
    val createdAt: LocalDateTime? = null
) {
    @Id
    @GeneratedValue(strategy = GenerationType.UUID)
    var id: UUID? = null

    @OneToMany(mappedBy = "task", cascade = [CascadeType.ALL], orphanRemoval = true)
    val generatedMessages: MutableList<GeneratedMessageHistory> = mutableListOf()
}