package app.vipergearlab.tactical

/**
 * Trial blocks for the Android build. Wire [evaluate] from the activity.
 * Web and the Windows exe already run the same five blocks.
 */
data class BlockReport(val id: String, val status: String, val detail: String)

object TrialBlocks {
    const val TRIAL_DAYS = 10
    const val VERIFY_MS = 6L * 60L * 60L * 1000L

    fun evaluate(
        now: Long,
        storedSeal: String?,
        currentSeal: String?,
        startedAt: Long?,
        lastSeenAt: Long?,
        master: Boolean,
        gumroadOk: Boolean?,
    ): List<BlockReport> {
        val seal = when {
            storedSeal.isNullOrBlank() || currentSeal.isNullOrBlank() ->
                BlockReport("seal", "open", "Seal not anchored yet.")
            storedSeal != currentSeal ->
                BlockReport("seal", "fail", "Host seal does not match the anchor.")
            else -> BlockReport("seal", "pass", "Anchor matches this host.")
        }
        val clock = when {
            lastSeenAt != null && now + 120_000 < lastSeenAt ->
                BlockReport("clock", "fail", "Clock moved backwards.")
            startedAt == null -> BlockReport("clock", "open", "Trial not started.")
            now >= startedAt + TRIAL_DAYS * 86_400_000L && !master ->
                BlockReport("clock", "fail", "Trial window closed.")
            else -> BlockReport("clock", "pass", "Window open or license holds.")
        }
        val gumroad = when (gumroadOk) {
            null -> BlockReport("gumroad", "open", "Product id not set.")
            true -> BlockReport("gumroad", "pass", "Gumroad license holds.")
            false -> BlockReport("gumroad", "fail", "Gumroad rejected the key.")
        }
        val gate = when {
            seal.status == "fail" -> BlockReport("gate", "fail", "Read-only.")
            clock.status == "fail" -> BlockReport("gate", "fail", "Read-only telemetry.")
            else -> BlockReport("gate", "pass", if (master) "Licensed." else "Trial command.")
        }
        return listOf(seal, clock, gumroad, gate)
    }
}