package com.simplemobiletools.notes.fragments

import android.content.Context
import android.os.Bundle
import android.support.v4.app.Fragment
import android.text.Editable
import android.text.TextWatcher
import android.text.method.LinkMovementMethod
import android.text.util.Linkify
import android.util.TypedValue
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.view.inputmethod.InputMethodManager
import com.simplemobiletools.notes.R
import com.simplemobiletools.notes.extensions.config
import com.simplemobiletools.notes.extensions.getTextGravity
import com.simplemobiletools.notes.extensions.getTextSize
import com.simplemobiletools.notes.extensions.updateWidget
import com.simplemobiletools.notes.helpers.DBHelper
import com.simplemobiletools.notes.helpers.NOTE_ID
import com.simplemobiletools.notes.models.Note
import kotlinx.android.synthetic.main.fragment_note.view.*


class NoteFragment : Fragment() {
    var noteId = 0
    lateinit var view: ViewGroup
    lateinit var note: Note
    lateinit var mDb: DBHelper

    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
        view = inflater.inflate(R.layout.fragment_note, container, false) as ViewGroup
        noteId = arguments.getInt(NOTE_ID)
        mDb = DBHelper.newInstance(context)
        note = mDb.getNote(noteId) ?: return view

        if (context.config.clickableLinks) {
            view.notes_view.apply {
                linksClickable = true
                autoLinkMask = Linkify.WEB_URLS or Linkify.EMAIL_ADDRESSES
                movementMethod = LinkMovementMethod.getInstance()
                addTextChangedListener(object : TextWatcher {
                    override fun beforeTextChanged(s: CharSequence, start: Int, count: Int, after: Int) {
                    }

                    override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {
                    }

                    override fun afterTextChanged(s: Editable) {
                        Linkify.addLinks(this@apply, autoLinkMask)
                    }
                })
            }
        }

        return view
    }

    fun saveText() {
        val newText = view.notes_view.text.toString()
        val oldText = note.value
        if (newText != oldText) {
            note.value = newText
            mDb.updateNoteValue(note)
            context.updateWidget()
        }
    }

    fun showKeyboard() {
        view.notes_view.requestFocus()
        val imm = context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
        imm.showSoftInput(view.notes_view, InputMethodManager.SHOW_IMPLICIT)
    }

    override fun onResume() {
        super.onResume()

        val config = context.config
        view.notes_view.apply {
            setText(note.value)
            setColors(config.textColor, config.primaryColor, config.backgroundColor)
            setTextSize(TypedValue.COMPLEX_UNIT_PX, context.getTextSize())
            gravity = context.getTextGravity()
        }
    }

    override fun onPause() {
        super.onPause()
        saveText()
    }
}