#Libervia Desktop-Kivy
# Copyright (C) 2016-2021 Jérôme Poisson (goffi@goffi.org)

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.

# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

#:import _ libervia.backend.core.i18n._
#:import C libervia.desktop_kivy.core.constants.Const
#:import G libervia.desktop_kivy.G
#:import escape kivy.utils.escape_markup
#:import SimpleXHTMLWidget libervia.desktop_kivy.core.simple_xhtml.SimpleXHTMLWidget
#:import DelayedBoxLayout libervia.desktop_kivy.core.common_widgets.DelayedBoxLayout
#:import ScrollEffect kivy.effects.scroll.ScrollEffect
#:import CategorySeparator libervia.desktop_kivy.core.common_widgets.CategorySeparator


# Chat


<BaseAttachmentItem>:
    size_hint: None, None
    size: self.minimum_width, dp(50)


<AttachmentItem>:
    canvas.before:
        Color:
            rgb: app.c_prim_dark
        Line:
            rounded_rectangle: self.x + dp(1), self.y + dp(1), self.width - dp(2), self.height - dp(2), 10
        Color:
            rgb: app.c_sec_light
        RoundedRectangle:
            pos: self.x + dp(1), self.y + dp(1)
            size: (self.width - dp(2)) * root.progress / 100, self.height - dp(2)
    SymbolButtonLabel:
        symbol: root.get_symbol(root.data)
        color: 0, 0, 0, 1
        text: root.data.get('name', _('unnamed'))
        bold: False
        on_press: root.on_press()


<AttachmentImageItem>:
    size: self.minimum_width, self.minimum_height
    image: image
    orientation: "vertical"
    SizedImage:
        id: image
        anim_delay: -1
        source: "data/images/image-loading.gif"


<AttachmentImagesCollectionItem>:
    cols: 2
    size_hint: None, None
    size: dp(150), dp(150)
    padding: dp(5)
    spacing: dp(2)
    canvas.before:
        Color:
            rgb: app.c_prim
        RoundedRectangle:
            radius: [dp(5)]
            pos: self.pos
            size: self.size
        Color:
            rgb: 0, 0, 0, 1
        Line:
            rounded_rectangle: self.x, self.y, self.width, self.height, dp(5)


<AttachmentsLayout>:
    attachments: self
    size_hint: 1, None
    height: self.minimum_height
    spacing: dp(5)


<MessAvatar>:
    size_hint: None, None
    size: dp(30), dp(30)
    canvas.before:
        Color:
            rgba: (0.87,0.87,0.87,1)
        RoundedRectangle:
            radius: [dp(5)]
            pos: self.pos
            size: self.size


<MessageWidget>:
    size_hint: 1, None
    avatar: avatar
    delivery: delivery
    mess_xhtml: mess_xhtml
    right_part: right_part
    header_box: header_box
    height: self.minimum_height
    BoxLayout:
        orientation: 'vertical'
        width: avatar.width
        size_hint: None, 1
        MessAvatar:
            id: avatar
            source: root.mess_data.avatar['path'] if root.mess_data and root.mess_data.avatar else app.default_avatar
            on_press: root.chat.add_nick(root.nick)
        Widget:
            # use to push the avatar on the top
            size_hint: 1, 1
    BoxLayout:
        size_hint: 1, None
        orientation: 'vertical'
        id: right_part
        height: self.minimum_height
        BoxLayout:
            id: header_box
            size_hint: 1, None
            height: time_label.height if root.mess_type != C.MESS_TYPE_INFO else 0
            opacity: 1 if root.mess_type != C.MESS_TYPE_INFO else 0
            Label:
                id: time_label
                color: (0, 0, 0, 1) if root.own_mess else (0.55,0.55,0.55,1)
                font_size: root.font_size
                text_size: None, None
                size_hint: None, None
                size: self.texture_size
                padding: dp(5), 0
                markup: True
                valign: 'middle'
                text: u"[b]{}[/b], {}".format(escape(root.nick), root.time_text)
            Symbol:
                size_hint_x: None
                width: self.height
                id: encrypted
                symbol: 'lock' if root.mess_data.encrypted else 'unlock'
                font_size: self.height - dp(3)
                color: (1, 0, 0, 1) if not root.mess_data.encrypted and root.chat.encrypted else (0.55,0.55,0.55,1)
            Label:
                id: delivery
                color: C.COLOR_BTN_LIGHT
                font_size: root.font_size
                text_size: None, None
                size_hint: None, None
                size: self.texture_size
                padding: dp(5), 0
                # XXX: DejaVuSans font is needed as check mark is not in Roboto
                # this can be removed when Kivy will be able to handle fallback mechanism
                # which will allow us to use fonts with more unicode characters
                font_name: "DejaVuSans"
                text: u''
        SimpleXHTMLWidget:
            id: mess_xhtml
            size_hint: 1, None
            height: self.minimum_height
            xhtml: root.message_xhtml or self.escape(root.message or '')
            color: (0.74,0.74,0.24,1) if root.mess_type == "info" else (0, 0, 0, 1)
            padding: root.mess_padding
            bold: True if root.mess_type == "info" else False


<AttachmentToSendItem>:
    SymbolButton:
        opacity: 0 if root.sending else 1
        size_hint: None, 1
        symbol: "circle-xmark"
        on_press: root.parent.remove_widget(root)


<AttachmentsToSend>:
    attachments: attachments_layout.attachments
    reduce_checkbox: reduce_checkbox
    orientation: "vertical"
    size_hint: 1, None
    height: self.minimum_height if self.attachments.children else 0
    opacity: 1 if self.attachments.children else 0
    padding: [app.MARGIN_LEFT, dp(5), app.MARGIN_RIGHT, dp(5)]
    canvas.before:
        Color:
            rgba: app.c_prim
        Rectangle:
            pos: self.pos
            size: self.size
    Label:
        size_hint: 1, None
        size: self.texture_size
        text: _("attachments:")
        bold: True
    AttachmentsLayout:
        id: attachments_layout
    BoxLayout:
        id: resize_box
        size_hint: 1, None
        opacity: 1 if root.show_resize else 0
        height: dp(25) if root.show_resize else 0
        Widget:
        CheckBox:
            id: reduce_checkbox
            size_hint: None, 1
            width: dp(20)
            active: True
        Label:
            size_hint: None, 1
            text: _("reduce images size")
            text_size: None, None
            size: self.texture_size
            valign: "middle"
            padding_x: dp(10)
            font_size: sp(15)
        Widget:

<Chat>:
    attachments_to_send: attachments_to_send
    message_input: message_input
    messages_widget: messages_widget
    history_scroll: history_scroll
    send_button_visible: G.local_platform.send_button_visible or bool(attachments_to_send.attachments.children)
    ScrollView:
        id: history_scroll
        scroll_y: 0
        on_scroll_y: root.on_scroll(*args)
        do_scroll_x: False
        scroll_type: ['bars', 'content']
        bar_width: dp(10)
        effect_cls: ScrollEffect
        DelayedBoxLayout:
            id: messages_widget
            size_hint_y: None
            padding: [app.MARGIN_LEFT, 0, app.MARGIN_RIGHT, dp(10)]
            spacing: dp(10)
            height: self.minimum_height
            orientation: 'vertical'
    AttachmentsToSend:
        id: attachments_to_send
    MessageInputBox:
        size_hint: 1, None
        height: self.minimum_height
        spacing: dp(10)
        padding: [app.MARGIN_LEFT, 0, app.MARGIN_RIGHT, dp(10)]
        message_input: message_input
        MessageInputWidget:
            id: message_input
            size_hint: 1, None
            height: min(self.minimum_height, dp(250))
            multiline: True
            hint_text: _(u"Enter your message here")
            on_text_validate: root.on_send(args[0])
        SymbolButton:
            # "send" button, permanent visibility depends on platform
            symbol: "share"
            size_hint: None, 1
            width: dp(30) if root.send_button_visible else 0
            opacity: 1 if root.send_button_visible else 0
            font_size: dp(25)
            on_release: self.parent.send_text()


# Buttons added in header

<TransferButton>:
    size_hint: None, 1
    symbol: "circle-plus"
    width: dp(30)
    font_size: dp(25)
    color: 0.4, 0.4, 0.4, 1

<MenuButton@Button>
    size_hint_y: None
    height: dp(30)
    on_texture_size: self.parent.parent.width = max(self.parent.parent.width, self.texture_size[0] + dp(10))

<ExtraMenu>:
    auto_width: False
    MenuButton:
        text: _("bookmarks")
        on_release: root.select("bookmark")
    MenuButton:
        text: _("close")
        on_release: root.select("close")

<ExtraButton>:
    size_hint: None, 1
    symbol: "ellipsis-vertical"
    width: dp(30)
    font_size: dp(25)
    color: 0.4, 0.4, 0.4, 1
    on_release: self.chat.extra_menu.open(self)

<EncryptionMainButton>:
    size_hint: None, 1
    width: dp(30)
    color: self.get_color()
    symbol: self.get_symbol()

<TrustManagementButton>:
    symbol: "shield-halved"
    padding: dp(5), dp(10)
    bg_color: app.c_prim_dark
    size_hint: None, 1
    width: dp(30)
    on_release: self.parent.dispatch("on_trust_release")

<EncryptionButton>:
    size_hint: None, None
    width: self.parent.parent.best_width if self.parent is not None else 30
    height: dp(30)
    on_best_width: self.parent.parent.best_width = max(self.parent.parent.best_width, args[1])
    Button:
        text: root.text
        size_hint: 1, 1
        padding: dp(5), dp(10)
        color: 0, 0, 0, 1
        bold: root.bold
        background_normal: app.expand('{media}/misc/borders/border_filled_black.png')
        background_color: app.c_sec if root.selected else app.c_prim_dark
        on_release: root.dispatch("on_release")
        on_texture_size: root.best_width = self.texture_size[0] + (dp(30) if root.trust_button else 0)

<EncryptionMenu>:
    size_hint_x: None
    width: self.container.minimum_width
    auto_width: False
    canvas.before:
        Color:
            rgba: 0, 0, 0, 1
        Rectangle:
            pos: self.pos
            size: self.size


# Chat Selector

<ChatSelector>:
    jid_selector: jid_selector
    JidSelector:
        id: jid_selector
        on_select: root.on_select(args[1])
        to_show: ["opened_chats", "roster", "bookmarks"]