package xyz.etztech.minecraftmanager.command;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import net.md_5.bungee.api.chat.ClickEvent;
import net.md_5.bungee.api.chat.ComponentBuilder;
import net.md_5.bungee.api.chat.HoverEvent;
import net.md_5.bungee.api.chat.TextComponent;
import org.apache.commons.lang.StringUtils;
import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import xyz.etztech.core.web.Http;
import xyz.etztech.core.web.ICallback;
import xyz.etztech.minecraftmanager.MCMAPI;
import xyz.etztech.minecraftmanager.MinecraftManager;
import xyz.etztech.minecraftmanager.objects.MCMResponse;
import xyz.etztech.minecraftmanager.objects.ModelResponse;

import java.util.Map;


public class CommandApplication implements CommandExecutor {

    MinecraftManager plugin;

    public CommandApplication(MinecraftManager plugin) {
        this.plugin = plugin;
        plugin.getCommand("application").setExecutor(this);
    }

    @Override
    public boolean onCommand(CommandSender sender, Command command, String base, String[] args) {

        if (args.length != 2) {
            sender.sendMessage(ChatColor.RED + "This command takes two arguments.");
            return true;
        }
        String subcommand = args[0].toLowerCase();
        switch (subcommand) {
            case "search":
                search(sender, args[1]);
                break;
            case "info":
                info(sender, args[1]);
                break;
            case "accept":
                action(sender, args[1], true);
                break;
            case "deny":
                action(sender, args[1], false);
                break;
            case "clear":
                clear(sender, args[1]);
                break;
            default:
                sender.sendMessage(ChatColor.RED + "Unknown sub-command. You can search, accept, or deny applications.");
                break;
        }


        return true;
    }

    private class SearchCallback implements ICallback {
        private CommandSender commandSender;

        SearchCallback(CommandSender commandSender) {
            this.commandSender = commandSender;
        }

        @Override
        public void invoke(String s) {
            ModelResponse modelResponse = new ModelResponse(s);
            JsonArray results = modelResponse.getResults();
            StringBuffer response = new StringBuffer();
            if (results.size() > 0) {
                response.append(ChatColor.GOLD).append("===== Results =====");
                int max = results.size() >= 10 ? 10 : results.size();
                for (int i = 0; i < max; i++) {
                    JsonObject result = results.get(i).getAsJsonObject();
                    response.append("\n").append(ChatColor.YELLOW).append("#")
                            .append(result.get("id")).append(" - ").append(result.get("username").getAsString());
                }
                if (results.size() > 10) {
                    response.append("\n").append(ChatColor.YELLOW).append("This search returned more than ten results. " +
                            "Try to refine your search if you didn't find what you needed.");
                }
            } else {
                response.append(ChatColor.YELLOW).append("No results found...");
            }

            commandSender.sendMessage(response.toString());
        }
    }

    private void search(CommandSender sender, String name) {
        if (sender.hasPermission("minecraftmanager.application.search")) {
            Map<String, String> filter = MCMAPI.setup();
            filter.put("username__icontains", name);
            Http.asyncGetCallback(plugin, MCMAPI.getModelUrl("application"), filter, new SearchCallback(sender));
        } else {
            sender.sendMessage(ChatColor.RED + "You do not have permission to search applications.");
        }
    }

    private String getAsStringOrNull(JsonElement json) {
        if (json.isJsonNull()) {
            return "None";
        } else {
            return json.getAsString();
        }
    }

    private class InfoCallback implements ICallback {
        private CommandSender commandSender;

        InfoCallback(CommandSender commandSender) {
            this.commandSender = commandSender;
        }

        @Override
        public void invoke(String s) {
            ModelResponse modelResponse = new ModelResponse(s);
            JsonArray results = modelResponse.getResults();
            StringBuilder response = new StringBuilder();
            TextComponent text = new TextComponent();
            if (results.size() == 1) {
                JsonObject result = results.get(0).getAsJsonObject();
                response.append(ChatColor.GOLD).append("===== " + result.get("username").getAsString() + " =====");
                response.append("\n").append(ChatColor.RESET).append(ChatColor.YELLOW).append(ChatColor.BOLD);
                response.append("Application ID: ");
                response.append(ChatColor.RESET);
                response.append(getAsStringOrNull(result.get("id")));
                response.append("\n").append(ChatColor.RESET).append(ChatColor.YELLOW).append(ChatColor.BOLD);
                response.append("Age: ");
                response.append(ChatColor.RESET);
                response.append(getAsStringOrNull(result.get("age")));
                response.append("\n").append(ChatColor.RESET).append(ChatColor.YELLOW).append(ChatColor.BOLD);
                response.append("Player Type: ");
                response.append(ChatColor.RESET);
                response.append(getAsStringOrNull(result.get("player_type")));
                response.append("\n").append(ChatColor.RESET).append(ChatColor.YELLOW).append(ChatColor.BOLD);
                response.append("Ever Banned: ");
                response.append(ChatColor.RESET);
                response.append(getAsStringOrNull(result.get("ever_banned")));
                response.append("\n").append(ChatColor.RESET).append(ChatColor.YELLOW).append(ChatColor.BOLD);
                response.append("Explanation: ");
                response.append(ChatColor.RESET);
                response.append(getAsStringOrNull(result.get("ever_banned_explanation")));
                response.append("\n").append(ChatColor.RESET).append(ChatColor.YELLOW).append(ChatColor.BOLD);
                response.append("Reference: ");
                response.append(ChatColor.RESET);
                response.append(getAsStringOrNull(result.get("reference")));
                response.append("\n").append(ChatColor.RESET).append(ChatColor.YELLOW).append(ChatColor.BOLD);
                response.append("Read Rules: ");
                response.append(ChatColor.RESET);
                response.append(getAsStringOrNull(result.get("read_rules")));
                response.append("\n").append(ChatColor.RESET).append(ChatColor.YELLOW).append(ChatColor.BOLD);
                response.append("Accepted: ");
                response.append(ChatColor.RESET);
                response.append(result.get("accepted").isJsonNull() ? "Unanswered" : result.get("accepted").getAsString());
                response.append("\n").append(ChatColor.RESET).append(ChatColor.GOLD).append(ChatColor.ITALIC);
                response.append("More info can be found on the MCM web app.");
                text.setText(response.toString());
                text.setHoverEvent(new HoverEvent(HoverEvent.Action.SHOW_TEXT, new ComponentBuilder("Click for more info").create()));
                text.setClickEvent(new ClickEvent(ClickEvent.Action.OPEN_URL, result.get("link").getAsString()));
            } else {
                response.append(ChatColor.RED).append("Could not identify an application.");
                text.setText(response.toString());
            }

            commandSender.spigot().sendMessage(text);
        }
    }

    private void info(CommandSender sender, String key) {
        if (sender.hasPermission("minecraftmanager.application.search")) {
            Map<String, String> filter = MCMAPI.setup();
            if (StringUtils.isNumeric(key)) {
                filter.put("id__exact", key);
            } else {
                filter.put("username__iexact", key);
            }
            Http.asyncGetCallback(plugin, MCMAPI.getModelUrl("application"), filter, new InfoCallback(sender));
        } else {
            sender.sendMessage(ChatColor.RED + "You do not have permission to search applications.");
        }
    }

    private class ActionCallback implements ICallback {
        private CommandSender commandSender;

        ActionCallback(CommandSender commandSender) {
            this.commandSender = commandSender;
        }

        @Override
        public void invoke(String s) {
            MCMResponse response = new MCMResponse(s);
            commandSender.spigot().sendMessage(response.getMCJSON());
        }
    }

    private void action(CommandSender sender, String id, boolean accepted) {
        if (sender.hasPermission("minecraftmanager.application.action")) {
            String username;
            if (sender instanceof Player) {
                username = sender.getName();
            } else {
                username = "Console";
            }
            if (StringUtils.isNumeric(id)) {
                String djangoUrl = MCMAPI.getDjangoUrl() + "plugin/application_action/";
                Map<String, String> data = MCMAPI.setup();
                data.put("application_id", id);
                data.put("action", accepted ? "True" : "False");
                data.put("username", username);
                Http.asyncPostCallback(plugin, djangoUrl, data, new ActionCallback(sender));
            } else {
                sender.sendMessage(ChatColor.RED + "You must use an application ID to ensure accuracy.");
            }
        } else {
            sender.sendMessage(ChatColor.RED + "You do not have permission to take action on an application.");
        }
    }

    private class ClearCallback implements ICallback {
        private CommandSender commandSender;

        ClearCallback(CommandSender commandSender) {
            this.commandSender = commandSender;
        }

        @Override
        public void invoke(String s) {
            MCMResponse response = new MCMResponse(s);
            commandSender.spigot().sendMessage(response.getMCJSON());
        }
    }

    private void clear(CommandSender sender, String id) {
        if (sender.hasPermission("minecraftmanager.application.action")) {
            if (StringUtils.isNumeric(id)) {
                String djangoUrl = MCMAPI.getDjangoUrl() + "plugin/application_clear/";
                Map<String, String> data = MCMAPI.setup();
                data.put("application_id", id);
                Http.asyncPostCallback(plugin, djangoUrl, data, new ClearCallback(sender));
            } else {
                sender.sendMessage(ChatColor.RED + "You must use an application ID to ensure accuracy.");
            }
        } else {
            sender.sendMessage(ChatColor.RED + "You do not have permission to take action on an application.");
        }
    }



}