package com.dmc.callcrm.ui

import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.GridLayout
import android.widget.TextView
import androidx.fragment.app.Fragment
import com.dmc.callcrm.R
import com.dmc.callcrm.data.CallStats
import java.text.SimpleDateFormat
import java.util.Calendar
import java.util.Locale

class AnalyticsFragment : Fragment() {

    override fun onCreateView(i: LayoutInflater, c: ViewGroup?, s: Bundle?): View =
        i.inflate(R.layout.fragment_analytics, c, false)

    override fun onViewCreated(v: View, s: Bundle?) {
        // current month range
        val cal = Calendar.getInstance()
        cal.set(Calendar.DAY_OF_MONTH, 1); cal.set(Calendar.HOUR_OF_DAY, 0)
        cal.set(Calendar.MINUTE, 0); cal.set(Calendar.SECOND, 0)
        val from = cal.timeInMillis
        val to = System.currentTimeMillis()

        val df = SimpleDateFormat("dd-MMM-yyyy", Locale.getDefault())
        v.findViewById<TextView>(R.id.tvRange).text = "${df.format(from)}  –  ${df.format(to)}"

        val a = CallStats(requireContext()).analytics(from, to)
        val grid = v.findViewById<GridLayout>(R.id.grid)
        grid.removeAllViews()

        data class Card(val label: String, val count: Int, val dur: Long?)
        val cards = listOf(
            Card("Total Phone Calls", a.total, a.totalDur),
            Card("Incoming Calls", a.incoming, a.incomingDur),
            Card("Outgoing Calls", a.outgoing, a.outgoingDur),
            Card("Missed Calls", a.missed, 0),
            Card("Rejected Calls", a.rejected, 0),
            Card("Never Attended", a.neverAttended, null)
        )
        val inflater = LayoutInflater.from(context)
        val colW = resources.displayMetrics.widthPixels / 2 - dp(24)
        for (card in cards) {
            val view = inflater.inflate(R.layout.item_stat_card, grid, false)
            view.findViewById<TextView>(R.id.label).text = card.label
            view.findViewById<TextView>(R.id.count).text = card.count.toString()
            val durTv = view.findViewById<TextView>(R.id.dur)
            if (card.dur != null) durTv.text = fmt(card.dur) else durTv.visibility = View.GONE
            val lp = GridLayout.LayoutParams().apply { width = colW }
            grid.addView(view, lp)
        }
    }

    private fun fmt(s: Long): String {
        val h = s / 3600; val m = (s % 3600) / 60; val sec = s % 60
        return "%dh %dm %ds".format(h, m, sec)
    }
    private fun dp(x: Int) = (x * resources.displayMetrics.density).toInt()
}