import type {Guild} from "@/classes/Guild";
import {Adventurer} from "@/classes/Adventurer";
import {Quest} from "@/classes/Quest";
import {getFromString, QuestRank} from "@/classes/QuestRank";

export class GameData {
    guild: Guild;
    adventurers: { [key: string]: Adventurer };
    missives: { [key: string]: { [key: string]: Quest } };
    lastQuestGot: { [key: string]: null | number };
    lastRecruitAction: null | number;
    currentlyForHireId: string|null;

    constructor(
        guild: Guild, adventurers: { [key: string]: Adventurer },
        missives: { [key: string]: { [key: string]: Quest } },
        lastQuestGot: { [key: string]: null | number },
        lastRecruitAction: null | number,
        currentlyForHireId: string|null = null
    ) {
        this.guild = guild;
        this.adventurers = adventurers;
        this.missives = missives;
        this.lastQuestGot = lastQuestGot;
        this.lastRecruitAction = lastRecruitAction;
        this.currentlyForHireId = currentlyForHireId;
    }
}


/**
 * Save the game to local storage
 */
export function saveGame(
    data: GameData
): void {
    console.debug("Saving game...");
    window.localStorage.setItem("savedGame", JSON.stringify({
        guild: data.guild,
        adventurers: data.adventurers,
        missives: data.missives,
        lastQuestGot: data.lastQuestGot,
        lastRecruitAction: data.lastRecruitAction,
        adventurerForHireId: data.currentlyForHireId,
    }));
}

export function loadGame(): GameData | null {
    const savedGame = window.localStorage.getItem("savedGame");
    if (!savedGame) return null;
    console.debug("Loading game...");
    const parsedGame = JSON.parse(savedGame);
    return new GameData(
        parsedGame.guild,
        parsedGame.adventurers,
        parsedGame.missives,
        parsedGame.lastQuestGot,
        parsedGame.lastRecruitAction
    );
}

export async function loadAvailableQuests(): Promise<{ [key: string]: { [key: string]: Quest } }> {
    const quests = {
        S: {} as { [key: string]: Quest },
        A: {} as { [key: string]: Quest },
        B: {} as { [key: string]: Quest },
        C: {} as { [key: string]: Quest },
        D: {} as { [key: string]: Quest },
        E: {} as { [key: string]: Quest },
        F: {} as { [key: string]: Quest },
    } as { [key: string]: { [key: string]: Quest } };

    for (const rank in quests) {
        const response = await fetch(`data/quests/Rank${rank}.json`);
        if (response.status !== 200) {
            console.error("Failed to load quests");
            alert("Failed to load quests. Please try refreshing the page.");
            return quests;
        }
        const questData = await response.json();

        let id = 0;
        for (const quest of questData) {
            id++;
            quests[rank.toString()][id] = new Quest(
                id.toString(),
                getFromString(rank as QuestRank),
                quest.title,
                quest.text,
                1,
                0,
                0
            );
        }
    }
    return quests;
}

export async function loadAdventurersForHire(currentAdventurerIds: Array<string> = []): Promise<Array<Adventurer>> {
    const response = await fetch("data/adventurers.json");
    if (response.status !== 200) {
        console.error("Failed to load adventurers");
        alert("Failed to load adventurers. Please try refreshing the page.");
        return [];
    }
    const adventurerData = await response.json();

    const adventurers = [] as Array<Adventurer>;
    for (const adventurer of adventurerData) {
        if (currentAdventurerIds.includes(adventurer.id)) continue;
        adventurers.push(new Adventurer(
            adventurer.id,
            adventurer.name,
            adventurer.portrait,
            adventurer.attackExponent,
            adventurer.level,
            adventurer.exp,
        ));
    }

    return adventurers;
}