# encoding: UTF-8
# api: streamtuner2
# title: Drag and Drop (experimental)
# description: Copy streams/stations from and to other applications.
# depends: uikit
# version: 0.5
# type: interface
# config:
#   { name: dnd_format, type: select, value: xspf, select: "pls|m3u|xspf|jspf|asx|smil", description: "Default temporary file format for copying a station." }
#   { name: dnd_format, type: select, value: xspf, select: "pls|m3u|xspf|jspf|asx|smil|desktop", description: "Default temporary file format for copying a station." }
# category: ui
# priority: default
# support: experimental
#
# Implements Gtk/X11 drag and drop support for station lists.
# Should allow to export either just stream URLs, or complete
# PLS, XSPF collections.

      ("audio/x-mpegurl", 0, 20),
      ("application/x-scpls", 0, 21),
      ("application/xspf+xml", 0, 22),
      ("application/smil", 0, 23),
      ("text/html", 0, 23),
      ("text/richtext", 0, 23),
      ("application/jspf+json", 0, 25),
      ("application/x-desktop", 0, 26),
      # direct srv urls
      ("text/url", 0, 15),  #@TODO: support in action.save_/convert_
      ("message/external-body", 0, 15),
      ("url/direct", 0, 15),
      # filename, file:// IRL
      ("FILE_NAME", 0, 3),
      ("text/uri-list", 0, 4),

    # Map target/`info` integers to action. module identifiers
    cnv_types = {
       20: "m3u",
       21: "pls",
       22: "xspf",
       23: "smil",
       25: "jspf",
       26: "desktop",
       15: "srv",
        4: "temp",
        5: "srv",
       51: "json",
    }

        # Keep in type request buffer
        self.buf[info] = buf
        return buf



    # -- DESTINATION, when playlist/file gets dragged in from other app --
    # -- DESTINATION, when playlist/file gets dragged into ST2 from other app --

    # Just a notification for incoming drop
    def drop(self, widget, context, x, y, time):
        log.DND("dest←in: drop-probing, possible targets:", context.targets)
        # find a matching target
        accept = [type[0] for type in self.drag_types if type[0] in context.targets]
        context.drop_reply(len(accept) > 0, time)

        return True

    # Received files or payload has to be converted, copied into streams
    def import_row(self, info, urls, data, y=5000):
        # Internal target dicts
        cn = self.parent.channel()
        rows = []
        print info
                
        # Direct/internal row import
        if data and info >= 51:
            log.DND("Received row, append, reload")
            log.DND("Received row in internal format, append+reload")
            rows += [ json.loads(data) ]

        # Convertible formats as direct payload
        elif data and info >= 5:
            log.DND("Converting direct payload playlist")
            cnv = action.extract_playlist(data)
            add = cnv.rows(self.cnv_types[info] if info>=20 else cnv.probe_fmt() or "raw")
            rows += [ cnv.mkrow(row) for row in add ]

        # Extract from playlist files, either passed as text/uri-list or single FILE_NAME
        elif urls:
            log.DND("Importing from playlist file")
            for fn in urls or [data]:
                if not re.match("^(scp|file)://(localhost)?/|/", fn):
                    continue
                fn = compat2and3.urldecode(re.sub("^\w+://[^/]*", "", fn))
                cnv = action.extract_playlist(fn=fn)
                if cnv.src:
                    rows += [ cnv.mkrow(row) for row in cnv.rows() ]
        
        # Insert and update view
        if rows:
            # Inserting at correct row requires deducing index from dnd `y` position
            streams = cn.streams[cn.current]
            i_pos = (cn.gtk_list.get_path_at_pos(10, y) or [[len(streams) + 1]])[0][0]
            for row in rows:
                streams.insert(i_pos - 1, row)
            cn.insert_rows(rows, y)
                i_pos = i_pos + 1
            # Now appending to the liststore directly would be even nicer
            uikit.do(lambda *x: cn.load(cn.current))#, cn.gtk_list.scroll_to_point(0, y))
            if cn.module == "bookmarks":
                cn.save()
            #self.parent.streamedit()
            # if cn.module == "bookmarks":
            cn.save()
            # Show streamedit window if title is empty
            if not len(rows[0].get("title", "")):
                self.parent.configwin.load_config(rows[0], "streamedit_")
                self.parent.win_streamedit.show()
        else:
            self.parent.status("Unsupported station format. Not imported.")