path: root/core/src/main/kotlin/ca/allanwang/kau/utils/ContextUtils.kt

/*
 * Copyright 2017 Allan Wang
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
@file:Suppress("NOTHING_TO_INLINE")

package ca.allanwang.kau.utils

import android.app.Activity
import android.content.*
import android.content.pm.PackageManager
import android.graphics.drawable.Drawable
import android.net.Uri
import android.os.Bundle
import android.os.Looper
import android.util.TypedValue
import android.view.View
import android.view.animation.AnimationUtils
import android.widget.Toast
import androidx.annotation.*
import androidx.core.content.ContextCompat
import ca.allanwang.kau.BuildConfig
import ca.allanwang.kau.R
import ca.allanwang.kau.logging.KL
import com.afollestad.materialdialogs.DialogBehavior
import com.afollestad.materialdialogs.MaterialDialog
import com.afollestad.materialdialogs.ModalDialog

/**
 * Created by Allan Wang on 2017-06-03.
 */
fun Context.runOnUiThread(f: Context.() -> Unit) {
    if (ContextHelper.looper === Looper.myLooper()) f() else ContextHelper.handler.post { f() }
}

/**
 * Helper class to launch an activity from a context
 * Counterpart of [Context.startActivity]
 * For starting activities for results, see [startActivityForResult]
 */
@Suppress("DEPRECATION")
inline fun <reified T : Activity> Context.startActivity(
    clearStack: Boolean = false,
    bundleBuilder: Bundle.() -> Unit = {},
    intentBuilder: Intent.() -> Unit = {}
) = startActivity(T::class.java, clearStack, bundleBuilder, intentBuilder)

@Deprecated(
        "Use reified generic instead of passing class",
        ReplaceWith("startActivity<T>(clearStack, bundleBuilder, intentBuilder)"),
        DeprecationLevel.WARNING
)
inline fun <T : Activity> Context.startActivity(
    clazz: Class<T>,
    clearStack: Boolean = false,
    bundleBuilder: Bundle.() -> Unit = {},
    intentBuilder: Intent.() -> Unit = {}
) {
    val intent = Intent(this, clazz)
    if (clearStack) {
        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK or Intent.FLAG_ACTIVITY_NEW_TASK)
    }
    intent.intentBuilder()
    val bundle = Bundle()
    bundle.bundleBuilder()
    startActivity(intent, bundle.takeIf { !it.isEmpty })
    if (clearStack && this is Activity) {
        finish()
    }
}

fun Context.startPlayStoreLink(@StringRes packageIdRes: Int): Boolean = startPlayStoreLink(string(packageIdRes))

/**
 * Open play store link for [packageId].
 *
 * Returns [true] if intent succeeded.
 */
fun Context.startPlayStoreLink(packageId: String): Boolean {
    val intent = Intent(Intent.ACTION_VIEW, Uri.parse("https://play.google.com/store/apps/details?id=$packageId"))
    return try {
        startActivity(intent)
        true
    } catch (e: ActivityNotFoundException) {
        if (BuildConfig.DEBUG) toast("Cannot resolve play store", log = true)
        false
    }
}

/**
 * Starts a url.
 *
 * If given a series of links, will open the first one that isn't null.
 * Returns [true] if link was opened.
 */
fun Context.startLink(vararg url: String?): Boolean {
    val link = url.firstOrNull { !it.isNullOrBlank() } ?: return false
    val browserIntent = Intent(Intent.ACTION_VIEW, Uri.parse(link))
    return try {
        startActivity(browserIntent)
        true
    } catch (e: ActivityNotFoundException) {
        if (BuildConfig.DEBUG) toast("Cannot resolve browser", log = true)
        false
    }
}

fun Context.startLink(@StringRes url: Int): Boolean = startLink(string(url))

// Toast helpers
inline fun View.toast(@StringRes id: Int, duration: Int = Toast.LENGTH_LONG, log: Boolean = false) =
        context.toast(id, duration, log)

inline fun Context.toast(@StringRes id: Int, duration: Int = Toast.LENGTH_LONG, log: Boolean = false) =
        toast(this.string(id), duration, log)

inline fun View.toast(text: String, duration: Int = Toast.LENGTH_LONG, log: Boolean = false) =
        context.toast(text, duration, log)

inline fun Context.toast(text: String, duration: Int = Toast.LENGTH_LONG, log: Boolean = false) {
    Toast.makeText(this, text, duration).show()
    if (log) KL.i { "Toast: $text" }
}

const val INVALID_ID = 0

// Resource retrievers
inline fun Context.string(@StringRes id: Int): String = getString(id)

inline fun Context.string(@StringRes id: Int, fallback: String?): String? =
        if (id != INVALID_ID) string(id) else fallback

inline fun Context.string(@StringRes id: Int, fallback: () -> String?): String? =
        if (id != INVALID_ID) string(id) else fallback()

inline fun Context.color(@ColorRes id: Int): Int = ContextCompat.getColor(this, id)
inline fun Context.boolean(@BoolRes id: Int): Boolean = resources.getBoolean(id)
inline fun Context.integer(@IntegerRes id: Int): Int = resources.getInteger(id)
inline fun Context.dimen(@DimenRes id: Int): Float = resources.getDimension(id)
inline fun Context.dimenPixelSize(@DimenRes id: Int): Int = resources.getDimensionPixelSize(id)
inline fun Context.drawable(@DrawableRes id: Int): Drawable = ContextCompat.getDrawable(this, id)
        ?: throw KauException("Drawable with id $id not found")

inline fun Context.drawable(@DrawableRes id: Int, fallback: Drawable?): Drawable? =
        if (id != INVALID_ID) drawable(id) else fallback

inline fun Context.drawable(@DrawableRes id: Int, fallback: () -> Drawable?): Drawable? =
        if (id != INVALID_ID) drawable(id) else fallback()

inline fun Context.interpolator(@InterpolatorRes id: Int) = AnimationUtils.loadInterpolator(this, id)!!
inline fun Context.animation(@AnimRes id: Int) = AnimationUtils.loadAnimation(this, id)!!

/**
 * Returns plural form of res. The quantity is also passed to the formatter as an int
 */
inline fun Context.plural(@PluralsRes id: Int, quantity: Number) =
        resources.getQuantityString(id, quantity.toInt(), quantity.toInt())

// Attr retrievers
fun Context.resolveColor(@AttrRes attr: Int, @ColorInt fallback: Int = 0): Int {
    val a = theme.obtainStyledAttributes(intArrayOf(attr))
    try {
        return a.getColor(0, fallback)
    } finally {
        a.recycle()
    }
}

fun Context.resolveDrawable(@AttrRes attr: Int): Drawable? {
    val a = theme.obtainStyledAttributes(intArrayOf(attr))
    try {
        return a.getDrawable(0)
    } finally {
        a.recycle()
    }
}

fun Context.resolveBoolean(@AttrRes attr: Int, fallback: Boolean = false): Boolean {
    val a = theme.obtainStyledAttributes(intArrayOf(attr))
    try {
        return a.getBoolean(0, fallback)
    } finally {
        a.recycle()
    }
}

fun Context.resolveString(@AttrRes attr: Int, fallback: String = ""): String {
    val v = TypedValue()
    return if (theme.resolveAttribute(attr, v, true)) v.string.toString() else fallback
}

/**
 * Wrapper function for MaterialDialog
 *
 * Mainly handles invalid creations, such as showing a dialog when an activity is finishing
 * See https://github.com/afollestad/material-dialogs/issues/1778
 */
inline fun Context.materialDialog(
    dialogBehavior: DialogBehavior = ModalDialog,
    action: MaterialDialog.() -> Unit
): MaterialDialog {
    val dialog = MaterialDialog(this, dialogBehavior)
    dialog.action()
    if (isFinishing) {
        KL.d { "Material Dialog triggered from finishing context; did not show" }
    } else {
        dialog.show()
    }
    return dialog
}

fun Context.getDip(value: Float): Float =
        TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, value, resources.displayMetrics)

inline val Context.isRtl: Boolean
    get() = resources.configuration.layoutDirection == View.LAYOUT_DIRECTION_RTL

/**
 * Determine if the navigation bar will be on the bottom of the screen, based on logic in
 * PhoneWindowManager.
 */
inline val Context.isNavBarOnBottom: Boolean
    get() {
        val cfg = resources.configuration
        val dm = resources.displayMetrics
        val canMove = dm.widthPixels != dm.heightPixels && cfg.smallestScreenWidthDp < 600
        return !canMove || dm.widthPixels < dm.heightPixels
    }

fun Context.hasPermission(permissions: String) = !buildIsMarshmallowAndUp || ContextCompat.checkSelfPermission(
        this,
        permissions
) == PackageManager.PERMISSION_GRANTED

fun Context.copyToClipboard(text: String?, label: String = "Copied Text", showToast: Boolean = true) {
    val clipboard = getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
    clipboard.setPrimaryClip(ClipData.newPlainText(label, text ?: ""))
    if (showToast) {
        toast(R.string.kau_text_copied)
    }
}

/**
 * Share text to external activity.
 *
 * Returns [true] if intent succeeds. Return [false] otherwise, or if text is empty.
 */
fun Context.shareText(text: String?): Boolean {
    if (text.isNullOrBlank()) {
        if (BuildConfig.DEBUG) toast("Share text is null")
        return false
    }
    val intent = Intent(Intent.ACTION_SEND)
    intent.type = "text/plain"
    intent.putExtra(Intent.EXTRA_TEXT, text)
    val chooserIntent = Intent.createChooser(intent, string(R.string.kau_share))
    return try {
        startActivity(chooserIntent)
        true
    } catch (e: ActivityNotFoundException) {
        if (BuildConfig.DEBUG) toast("Cannot resolve activity to share text", log = true)
        false
    }
}

/**
 * Check if given context is finishing.
 * This is a wrapper to check if it's both an activity and finishing
 * As of now, it is only checked when tied to an activity
 */
inline val Context.isFinishing: Boolean
    get() = (this as? Activity)?.isFinishing ?: false