# This is a sample commands.py.  You can add your own commands here.
#
# Please refer to commands_full.py for all the default commands and a complete
# documentation.  Do NOT add them all here, or you may end up with defunct
# commands when upgrading ranger.

# You always need to import ranger.api.commands here to get the Command class:
from ranger.api.commands import *

# A simple command for demonstration purposes follows.
# -----------------------------------------------------------------------------

# You can import any python module as needed.
import os

# Any class that is a subclass of "Command" will be integrated into ranger as a
# command.  Try typing ":my_edit<ENTER>" in ranger!


class my_edit(Command):
    # The so-called doc-string of the class will be visible in the built-in
    # help that is accessible by typing "?c" inside ranger.
    """:my_edit <filename>

    A sample command for demonstration purposes that opens a file in an editor.
    """

    # The execute method is called when you run this command in ranger.
    def execute(self):
        # self.arg(1) is the first (space-separated) argument to the function.
        # This way you can write ":my_edit somefilename<ENTER>".
        if self.arg(1):
            # self.rest(1) contains self.arg(1) and everything that follows
            target_filename = self.rest(1)
        else:
            # self.fm is a ranger.core.filemanager.FileManager object and gives
            # you access to internals of ranger.
            # self.fm.thisfile is a ranger.container.file.File object and is a
            # reference to the currently selected file.
            target_filename = self.fm.thisfile.path

        # This is a generic function to print text in ranger.
        self.fm.notify("Let's edit the file " + target_filename + "!")

        # Using bad=True in fm.notify allows you to print error messages:
        if not os.path.exists(target_filename):
            self.fm.notify("The given file does not exist!", bad=True)
            return

        # This executes a function from ranger.core.acitons, a module with a
        # variety of subroutines that can help you construct commands.
        # Check out the source, or run "pydoc ranger.core.actions" for a list.
        self.fm.edit_file(target_filename)

    # The tab method is called when you press tab, and should return a list of
    # suggestions that the user will tab through.
    # tabnum is 1 for <TAB> and -1 for <S-TAB> by default
    def tab(self, tabnum):
        # This is a generic tab-completion function that iterates through the
        # content of the current directory.
        return self._tab_directory_content()

# https://github.com/ranger/ranger/wiki/Integrating-File-Search-with-fzf
# Now simply bind this function to a key, by adding this to your ~/.config/ranger/rc.conf: map <C-f> fzf_select

class fzf_select(Command):
    """
      :fzf_select

      Find a file using fzf.

      With a prefix argument select only directories.

      See: https://github.com/junegunn/fzf
    """
    def execute(self):
        import subprocess
        import os.path

        if self.quantifier:     # match only directories
            command="find -L . \( -path '*/\.*' -o -fstype 'dev' -o -fstype 'proc' \) -prune -o -type d -print 2>  /dev/null | sed 1d | cut -b3- | fzf +m"
        else:     # match files and directories
            command="find -L . \( -path '*/\.*' -o -fstype 'dev' -o -fstype 'proc' \) -prune -o -print 2>  /dev/null | sed 1d | cut -b3- | fzf +m"

        fzf =self.fm.execute_command(command, universal_newlines=True, stdout=subprocess.PIPE)
        stdout, stderr = fzf.communicate()
        if fzf.returncode == 0:
            fzf_file = os.path.abspath(stdout.decode('utf-8').rstrip('\n'))
            if os.path.isdir(fzf_file):
                self.fm.cd(fzf_file)
            else:
                self.fm.select_file(fzf_file)


class fzf_locate(Command):
    """
      :fzf_locate

      Find a file using fzf.

      With a prefix argument select only directories.

      See: https://github.com/junegunn/fzf
    """
    def execute(self):
        import subprocess
        if self.quantifier:
            command=" locate home MacOSX-Data1 MacOSX-Data3 user4 scratch scratch2 scratch3 | fzf -e -i"
        else:
            command=" locate home MacOSX-Data1 MacOSX-Data3 user4 scratch scratch2 scratch3 | fzf -e -i"

        fzf =self.fm.execute_command(command, stdout=subprocess.PIPE)
        stdout, stderr = fzf.communicate()

        if fzf.returncode == 0:
            fzf_file = os.path.abspath(stdout.decode('utf-8').rstrip('\n'))
            if os.path.isdir(fzf_file):
                self.fm.cd(fzf_file)
            else:
                self.fm.select_file(fzf_file)

# fzf_fasd - Fasd + Fzf + Ranger (Interactive Style)
class fzf_fasd(Command):
    """
    :fzf_fasd

    Jump to a file or folder using Fasd and fzf

    URL: https://github.com/clvv/fasd
    URL: https://github.com/junegunn/fzf
    """
    def execute(self):
        import subprocess
        if self.quantifier:
            command="fasd | fzf -e -i --tac --no-sort | awk '{print $2}'"
        else:
            command="fasd | fzf -e -i --tac --no-sort | awk '{print $2}'"
        fzf = self.fm.execute_command(command, stdout=subprocess.PIPE)
        stdout, stderr = fzf.communicate()
        if fzf.returncode == 0:
            fzf_file = os.path.abspath(stdout.decode('utf-8').rstrip('\n'))
            if os.path.isdir(fzf_file):
                self.fm.cd(fzf_file)
            else:
                self.fm.select_file(fzf_file)

# Fasd with ranger (Command Line Style)
# https://github.com/ranger/ranger/wiki/Commands
class fasd(Command):
    """
    :fasd

    Jump to directory using fasd
    URL: https://github.com/clvv/fasd
    """
    def execute(self):
        import subprocess
        arg = self.rest(1)
        if arg:
            directory = subprocess.check_output(["fasd", "-d"]+arg.split(), universal_newlines=True).strip()
            self.fm.cd(directory)