package com.craigvg.lichun_android.domain.models

import kotlinx.serialization.Serializable

/**
 * Life goals progression delivered via the `lifeGoalsUpdate` message.
 *
 * Wave 1 decodes + stores this so the long-arc progression survives in state;
 * Wave 2 (T015b) builds the dedicated goals UI. Field names mirror the server
 * `formatActiveGoals` / `formatCompletedGoals` / `sendLifeGoalsUpdate` payloads
 * (server/src/services/retention/lifeGoals.ts + integration.ts).
 */
@Serializable
data class LifeGoalsState(
    val active: List<ActiveLifeGoal> = emptyList(),
    val completed: List<CompletedLifeGoal> = emptyList(),
    val lifeScore: Int = 0,
    /** Goals that completed on the most recent update (drives a one-time toast/celebration). */
    val justCompleted: List<JustCompletedLifeGoal> = emptyList()
)

/** An in-progress life goal merged with its live definition. */
@Serializable
data class ActiveLifeGoal(
    val id: String = "",
    val title: String = "",
    val description: String = "",
    val icon: String = "star",
    val target: Int = 1,
    val reward: Int = 0,
    val lifeScore: Int = 0,
    val current: Int = 0,
    val progressPercent: Int = 0
)

/** A completed life goal (server merges in title + icon). */
@Serializable
data class CompletedLifeGoal(
    val id: String = "",
    val completedAt: String = "",
    val title: String = "",
    val icon: String = "star"
)

/** A goal that just completed this update tick. */
@Serializable
data class JustCompletedLifeGoal(
    val id: String = "",
    val title: String = "",
    val description: String = "",
    val icon: String = "star",
    val reward: Int = 0,
    val lifeScore: Int = 0
)