import urwid

from . import common, signals, grideditor, contentview
from . import select, palettes

footer = [
    ('heading_key', "enter/space"), ":toggle ",
    ('heading_key', "C"), ":clear all ",
]

def _mkhelp():
    text = []
    keys = [
        ("enter/space", "activate option"),
        ("C", "clear all options"),
    ]
    text.extend(common.format_keyvals(keys, key="key", val="text", indent=4))
    return text
help_context = _mkhelp()


class Options(urwid.WidgetWrap):
    def __init__(self, master):
        self.master = master
        self.lb = select.Select(
            [
                select.Heading("Traffic Manipulation"),
                select.Option(
                    "Header Set Patterns",
                    "H",
                    lambda: master.setheaders.count(),
                    self.setheaders
                ),
                select.Option(
                    "Ignore Patterns",
                    "I",
                    lambda: master.server.config.check_ignore,
                    self.ignorepatterns
                ),
                select.Option(
                    "Replacement Patterns",
                    "R",
                    lambda: master.replacehooks.count(),
                    self.replacepatterns
                ),
                select.Option(
                    "Scripts",
                    "S",
                    lambda: master.scripts,
                    self.scripts
                ),

                select.Heading("Interface"),
                select.Option(
                    "Default Display Mode",
                    "M",
                    self.has_default_displaymode,
                    self.default_displaymode
                ),
                select.Option(
                    "Palette",
                    "P",
                    lambda: self.master.palette != palettes.DEFAULT,
                    self.palette
                ),
                select.Option(
                    "Show Host",
                    "w",
                    lambda: master.showhost,
                    self.toggle_showhost
                ),

                select.Heading("Network"),
                select.Option(
                    "No Upstream Certs",
                    "U",
                    lambda: master.server.config.no_upstream_cert,
                    self.toggle_upstream_cert
                ),
                select.Option(
                    "TCP Proxying",
                    "T",
                    lambda: master.server.config.check_tcp,
                    self.tcp_proxy
                ),

                select.Heading("Utility"),
                select.Option(
                    "Anti-Cache",
                    "a",
                    lambda: master.anticache,
                    self.toggle_anticache
                ),
                select.Option(
                    "Anti-Compression",
                    "o",
                    lambda: master.anticomp,
                    self.toggle_anticomp
                ),
                select.Option(
                    "Kill Extra",
                    "x",
                    lambda: master.killextra,
                    self.toggle_killextra
                ),
                select.Option(
                    "No Refresh",
                    "f",
                    lambda: not master.refresh_server_playback,
                    self.toggle_refresh_server_playback
                ),
                select.Option(
                    "Sticky Auth",
                    "A",
                    lambda: master.stickyauth_txt,
                    self.sticky_auth
                ),
                select.Option(
                    "Sticky Cookies",
                    "t",
                    lambda: master.stickycookie_txt,
                    self.sticky_cookie
                ),
            ]
        )
        title = urwid.Text("Options")
        title = urwid.Padding(title, align="left", width=("relative", 100))
        title = urwid.AttrWrap(title, "heading")
        self._w = urwid.Frame(
            self.lb,
            header = title
        )
        self.master.loop.widget.footer.update("")
        signals.update_settings.connect(self.sig_update_settings)

    def sig_update_settings(self, sender):
        self.lb.walker._modified()

    def keypress(self, size, key):
        if key == "C":
            self.clearall()
            return None
        return super(self.__class__, self).keypress(size, key)

    def clearall(self):
        self.master.anticache = False
        self.master.anticomp = False
        self.master.killextra = False
        self.master.showhost = False
        self.master.refresh_server_playback = True
        self.master.server.config.no_upstream_cert = False
        self.master.setheaders.clear()
        self.master.replacehooks.clear()
        self.master.set_ignore_filter([])
        self.master.set_tcp_filter([])
        self.master.scripts = []
        self.master.set_stickyauth(None)
        self.master.set_stickycookie(None)
        self.master.state.default_body_view = contentview.get("Auto")

        signals.update_settings.send(self)
        signals.status_message.send(
            message = "All select.Options cleared",
            expire = 1
        )

    def toggle_anticache(self):
        self.master.anticache = not self.master.anticache

    def toggle_anticomp(self):
        self.master.anticomp = not self.master.anticomp

    def toggle_killextra(self):
        self.master.killextra = not self.master.killextra

    def toggle_showhost(self):
        self.master.showhost = not self.master.showhost

    def toggle_refresh_server_playback(self):
        self.master.refresh_server_playback = not self.master.refresh_server_playback

    def toggle_upstream_cert(self):
        self.master.server.config.no_upstream_cert = not self.master.server.config.no_upstream_cert
        signals.update_settings.send(self)

    def setheaders(self):
        def _set(*args, **kwargs):
            self.master.setheaders.set(*args, **kwargs)
            signals.update_settings.send(self)
        self.master.view_grideditor(
            grideditor.SetHeadersEditor(
                self.master,
                self.master.setheaders.get_specs(),
                _set
            )
        )

    def ignorepatterns(self):
        def _set(ignore):
            patterns = (x[0] for x in ignore)
            self.master.set_ignore_filter(patterns)
            signals.update_settings.send(self)
        self.master.view_grideditor(
            grideditor.HostPatternEditor(
                self.master,
                [[x] for x in self.master.get_ignore_filter()],
                _set
            )
        )

    def replacepatterns(self):
        def _set(*args, **kwargs):
            self.master.replacehooks.set(*args, **kwargs)
            signals.update_settings.send(self)
        self.master.view_grideditor(
            grideditor.ReplaceEditor(
                self.master,
                self.master.replacehooks.get_specs(),
                _set
            )
        )

    def scripts(self):
        self.master.view_grideditor(
            grideditor.ScriptEditor(
                self.master,
                [[i.command] for i in self.master.scripts],
                self.master.edit_scripts
            )
        )

    def default_displaymode(self):
        signals.status_prompt_onekey.send(
            prompt = "Global default display mode",
            keys = contentview.view_prompts,
            callback = self.master.change_default_display_mode
        )

    def has_default_displaymode(self):
        return self.master.state.default_body_view.name != "Auto"

    def tcp_proxy(self):
        def _set(tcp):
            patterns = (x[0] for x in tcp)
            self.master.set_tcp_filter(patterns)
            signals.update_settings.send(self)
        self.master.view_grideditor(
            grideditor.HostPatternEditor(
                self.master,
                [[x] for x in self.master.get_tcp_filter()],
                _set
            )
        )

    def sticky_auth(self):
        signals.status_prompt.send(
            prompt = "Sticky auth filter",
            text = self.master.stickyauth_txt,
            callback = self.master.set_stickyauth
        )

    def sticky_cookie(self):
        signals.status_prompt.send(
            prompt = "Sticky cookie filter",
            text = self.master.stickycookie_txt,
            callback = self.master.set_stickycookie
        )

    def palette(self):
        self.master.view_palette_picker()