package dev.lonami.talaria.data

import dev.lonami.talaria.bindings.Native
import dev.lonami.talaria.models.Dialog
import dev.lonami.talaria.models.MessageAck
import dev.lonami.talaria.models.MessagePreview
import java.time.LocalDateTime

interface DialogRepository {
    fun loadDialogs(): List<Dialog>;
}

class NativeDialogRepository : DialogRepository {
    override fun loadDialogs(): List<Dialog> {
        val dialogs = mutableListOf<Dialog>()

        val dialogPtr = Native.getDialogs()
        val dialogCount = Native.dialogCount(dialogPtr)
        for (i in 0 until dialogCount) {
            dialogs.add(
                Dialog(
                    title = Native.dialogTitle(dialogPtr, i),
                    lastMessage = MessagePreview(
                        sender = "",
                        text = Native.dialogPacked(dialogPtr, i),
                        date = LocalDateTime.now(),
                        ack = MessageAck.RECEIVED
                    ),
                    pinned = false
                )
            )
        }
        Native.freeDialogs(dialogPtr)

        return dialogs
    }
}

class MockDialogRepository : DialogRepository {
    override fun loadDialogs(): List<Dialog> {
        val dialogs = mutableListOf<Dialog>()
        for (i in 0 until 10) {
            dialogs.add(
                Dialog(
                    title = "Sample Dialog $i",
                    lastMessage = if (i % 4 == 3) {
                        null
                    } else {
                        MessagePreview(
                            sender = if (i % 2 == 0) {
                                "Sender A"
                            } else {
                                "Sender B"
                            },
                            text = if (i % 3 == 2) {
                                "Very Long Sample Message $i, with a Lot of Text, which makes it hard to Preview"
                            } else {
                                "Sample Message $i"
                            },
                            date = LocalDateTime.now(),
                            ack = when (i % 3) {
                                0 -> MessageAck.RECEIVED
                                1 -> MessageAck.SENT
                                2 -> MessageAck.SEEN
                                else -> throw RuntimeException()
                            }
                        )
                    },
                    pinned = i < 4
                )
            )
        }
        return dialogs
    }
}