import os
import configparser


# Prompt for writing of the conf file
def write_conf(err_message, append):
    print(err_message)
    simple_blog_conf = configparser.ConfigParser()
    option_file = os.path.dirname(os.path.realpath(__file__)) + "/.simple-blog.ini"
    if append:
        conf_changed(simple_blog_conf, option_file)
    elif not append:
        conf_from_scratch(simple_blog_conf, option_file)


# This configuration section is for updating or changing the configuration.
def conf_changed(simple_blog_conf, option_file):
    simple_blog_conf.read(option_file)
    report_conf(simple_blog_conf)
    done_with_conf = False
    while not done_with_conf:
        print("1. Update site name.\n" +
              "2. Update web root.\n" +
              "3. Update sub-folder.\n" +
              "4. Update SSL use.\n" +
              "5. Report current config.\n" +
              "6. Quit configuration.")
        conf_action = input("What do you want to change: ")
        if conf_action.lower() == 'q':
            done_with_conf = True
        elif conf_action == '1':
            update_site_name(simple_blog_conf, option_file)
        elif conf_action == '2':
            update_webroot(option_file)
        elif conf_action == '3':
            update_sub_folder(option_file)
        elif conf_action == '4':
            update_ssl_use(simple_blog_conf, option_file)
        elif conf_action == '5':
            report_conf(simple_blog_conf)
        elif conf_action == '6':
            done_with_conf = True
        else:
            print("Input not understood.")
        simple_blog_conf.read(option_file)


def conf_from_scratch(simple_blog_conf, option_file):
    site_name = input("What is the site's name: ")
    web_root = str(input("Path of new web-root\nPress enter for default of (/var/www/html/): ") or "/var/www/html")
    sub_folder = str(input("Sub-folder for the blog\nPress ENTER to accept the default: ") or "blog")
    use_ssl = str(input("Site uses SSL(Y/n): ") or "y")
    if use_ssl.lower() == "y":
        use_ssl = "True"
    else:
        use_ssl = "False"
    log_file_path = str(input("Full path to keep CMS logs\nPress ENTER to accept the default: ") or os.path.dirname(
        os.path.realpath(__file__)) + '/.simple-blog.log')
    simple_blog_conf['general'] = {'site_name': site_name, 'web_root': web_root,
                                   'sub_folder': sub_folder, 'use_ssl': use_ssl, 'log_file': log_file_path}
    with open(option_file, 'w') as ini_file:
        simple_blog_conf.write(ini_file)


# Updates the site name
def update_site_name(simple_blog_conf, option_file):
    site_name = input("What is the name of the site: ")
    simple_blog_conf['general']['site_name'] = site_name
    with open(option_file, 'w') as ini_file:
        simple_blog_conf.write(ini_file)


def update_webroot(option_file):
    import app_log
    default = "/var/www/html/"
    simple_blog_conf = configparser.ConfigParser()
    simple_blog_conf.read(option_file)
    current_webroot = simple_blog_conf['general']['web_root']
    print("Currently configured web-root: %s", current_webroot)
    current_webroot = str(input("Path of new web-root\nPress enter for default of (" + default + "): ") or default)
    simple_blog_conf['general']['web_root'] = current_webroot
    with open(option_file, 'w') as ini_file:
        simple_blog_conf.write(ini_file)
    app_log.info("The web-root has been set to " + current_webroot)


def update_sub_folder(option_file):
    import app_log
    default = "/blog"
    simple_blog_conf = configparser.ConfigParser()
    simple_blog_conf.read(option_file)
    current_sub_folder = simple_blog_conf['general']['sub_folder']
    print("Currently configured web-root: %s", current_sub_folder)
    current_sub_folder = str(input("Path of new web-root\nPress enter for default of (" + default + "): ") or default)
    simple_blog_conf['general']['sub_folder'] = current_sub_folder
    with open(option_file, 'w') as ini_file:
        simple_blog_conf.write(ini_file)
    app_log.info("The sub-folder has been set to " + current_sub_folder)


def update_ssl_use(simple_blog_conf, option_file):
    import app_log
    use_ssl = str(input("Site uses SSL(Y/n): ") or "y")
    if use_ssl.lower() == "y":
        use_ssl = "True"
    else:
        use_ssl = "False"
    simple_blog_conf['general']['use_ssl'] = use_ssl
    with open(option_file, 'w') as ini_file:
        simple_blog_conf.write(ini_file)
    app_log.info("Site uses SSL set to " + use_ssl)


# Print a report of the current configuration.
def report_conf(simple_blog_conf):
    if 'general' in simple_blog_conf:
        if 'site_name' in simple_blog_conf['general']:
            print("The web root path is: " + simple_blog_conf['general']['site_name'])
        if 'web_root' in simple_blog_conf['general']:
            print("Your configured web-root is: {}".format(simple_blog_conf['general']['web_root']))
        if 'sub_folder' in simple_blog_conf['general']:
            print("Your configured sub-folder is: {}".format(simple_blog_conf['general']['sub_folder']))
        if 'use_ssl' in simple_blog_conf['general']:
            print("SSL use is: {}".format(simple_blog_conf['general']['use_ssl']))
    else:
        print("No configuration found.")