// android/src/main/kotlin/com/complycube/flutter/complycube/events/EventJson.kt
package com.complycube.reactnative.events

import org.json.JSONObject
import com.complycube.sdk.analytics.service.AnalyticsEvent

object EventJson {

    fun success(payload: Any?): String =
        JSONObject()
            .put("type", "success")
            .put("payload", payload ?: JSONObject.NULL)
            .toString()

    fun cancelled(code: String? = null, reason: String? = null): String =
        JSONObject()
            .put("type", "cancelled")
            .apply {
                if (!code.isNullOrBlank()) put("code", code)
                if (!reason.isNullOrBlank()) put("reason", reason)
            }
            .toString()

    fun error(codeAny: Any?, message: String?, details: Any? = null): String {
        val code = normalizeCode(codeAny)
        return JSONObject()
            .put("type", "error")
            .put("code", code ?: "UNKNOWN")
            .put("message", message ?: "Unexpected error")
            .apply {
                if (details != null) put("details", details)
                if (codeAny != null && code == null) put("rawCode", codeAny.toString())
            }
            .toString()
    }

    fun custom(event: AnalyticsEvent?): String =
        JSONObject()
            .put("type", "custom")
            .put("event", event.toString())
            .toString()

    // --- helpers ---
    private fun normalizeCode(codeAny: Any?): String? {
        if (codeAny == null) return null
        // Prefer enum.name if available; otherwise fallback to toString sanitized.
        val raw = codeAny.toString().trim()
        // Strip Kotlin enum toString like FOO(bar) or $FOO@123
        val snake = raw
            .replace(Regex("""^.*\$([A-Z0-9_]+)@.*$"""), "$1")
            .replace(Regex("""[^A-Za-z0-9_]+"""), "_")
            .trim('_')
            .uppercase()
        return if (snake.isBlank()) null else snake
    }
}