from AbstractModule import AbstractModule
from subprocess import call
from PyInquirer import prompt
import os
import json


class VimModule(AbstractModule):
    def __init__(self):
        super().__init__()
        self.plugins = {}
        with open("modules/vim/vim_plugins.json") as plugins:
            self.plugins = json.load(plugins)['plugins']

    def do_plugin_selection(self):
        mapped_list = []
        for choice in self.plugins.keys():
            mapped_list.append({
                "name": choice
            })

        print("Available Plugins:")
        module_selection = [
            {
                'type': 'checkbox',
                'message': 'Select plugins',
                'name': 'modules',
                'choices': mapped_list
            }
        ]
        return prompt(module_selection)['modules']

    def run(self):

        selected_plugins = self.do_plugin_selection()

        # print out selected plugins
        [print(x) for x in selected_plugins]

        # Create vimrc file
        try:
            with open("vim_testfile", "r") as vim_file:
                vimrc_content = vim_file.readlines()
        except FileNotFoundError:
            vimrc_content = []

        try:
            index = vimrc_content.index("call plug#begin('~/.vim/plugged')\n") + 1
            print("Index of plugman " + str(index))
            for plugin in selected_plugins:
                vimrc_content.insert(index, self.plugins[plugin] + "\n")
        except ValueError:
            vimrc_content.append("call plug#begin('~/.vim/plugged')\n")
            for element in selected_plugins:
                vimrc_content.append(self.plugins[element] + "\n")
            vimrc_content.append("call plug#end()\n")

        seen = set()
        seen_add = seen.add
        vimrc_content = [x1 for x1 in vimrc_content if not (x1 in seen or seen_add(x1))]

        with open("vim_testfile", "w") as vimrc_file:
            for line in vimrc_content:
                vimrc_file.write(line)

        # Create necessary folder structure for Plugin Manager
        if not os.path.isdir("/home/clay/Gitlab/linux-tools/testdirectory/autoload/"):
            if os.path.isdir("/home/clay/Gitlab/linux-tools/testdirectory/"):
                install_vimplug = "cd ~/Gitlab/linux-tools/testdirectory/ " \
                                  "&& mkdir autoload " \
                                  "&& cd autoload " \
                                  "&& touch test.txt"
                call(install_vimplug, shell=True)

            else:
                make_vimdir = "cd ~/Gitlab/linux-tools/ " \
                              "&& mkdir testdirectory " \
                              "&& cd testdirectory " \
                              "&& mkdir autoload " \
                              "&& cd autoload " \
                              "&& touch test.txt"
                call(make_vimdir, shell=True)
        else:
            print("Vim-Plug already installed!")