using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using Michsky.MUIP;
using TMPro;
using Febucci.UI;


public class DialogueController : MonoBehaviour, IPointerClickHandler {
    [SerializeField] TextMeshProUGUI textTMPro;
    [SerializeField] TextMeshProUGUI nameTMPro;
    [SerializeField] TextAnimatorPlayer typer;
    [SerializeField] ButtonManager button;
    [SerializeField] RectTransform optionMenu;
    [SerializeField] bool clickAnywhere = false;

    [SerializeField] VNController vn = null;

    [HideInInspector] List<DialogueInteraction> interactions;
    [HideInInspector] public int dialogueIndex = 0;

    // Whether to use VNData.NextScene or to pick a random Manager scene.
    [SerializeField] public bool chooseManagerScene = false;

    private string Compile(string text) {
        // TODO: Compile for all possible names, controllable via DialogueInteraction flags
        return text.Replace("%Her%", GameData.GLOBAL.characterNames[Character.Her]);
    }

    private void Interact() {
        if (dialogueIndex >= interactions.Count && optionMenu != null) {
            optionMenu.gameObject.SetActive(true);
            return;
        }

        if (dialogueIndex >= interactions.Count) {
            vn.Done();
            return;
        }

        DialogueInteraction d = interactions[dialogueIndex];
        if (vn != null) {
            vn.Interact(d);
        }
        nameTMPro.SetText(GameData.GLOBAL.characterNames[d.character]);
        string text = Compile(d.text);
        textTMPro.SetText(text);
        if (d.unlock != Unlockable.None) {
            GameData.Unlock(d.unlock);
        }
        if (d.gameOver) {
            vn.gameOverAfterDone = true;
        }
        dialogueIndex += 1;
    }

    public void NextButtonPressed() {
        if (typer.textAnimator.allLettersShown) {
            if (button.enabled) {
                button.enabled = false;
            }
            Interact();
        } else {
            typer.SkipTypewriter();
        }
    }

    public void OnPointerClick(PointerEventData eventData) {
        if (clickAnywhere) {
            NextButtonPressed();
        }
    }

    // Set up and start a dialogue interaction.
    // "fresh" means it's the first scene on Start, which triggers an appropriate load of VN assets.
    // In the manager, "fresh" also causes the background to be set based on the time of day.
    // Turn "fresh" off when the same VNAsset pack is used for multiple Dialogue scenes
    //   i.e. in the Manager, Studio, or tutorial.
    public void SetUp(bool fresh = true) {
        dialogueIndex = 0;
        if (clickAnywhere) {
            button.gameObject.SetActive(false);
        } else {
            button.enabled = false;
        }

        if (optionMenu != null) {
            optionMenu.gameObject.SetActive(false);
        }

        if (fresh && chooseManagerScene) {
            if (GameData.GLOBAL.ranAway) {
                VNData.NextScene = Dialogue.Manager_RanAway;
            } else if (GameData.GLOBAL.status == Status.Farty) {
                VNData.NextScene = VNData.fartyScenes[Random.Range(0, VNData.fartyScenes.Count)];
            } else if (GameData.GLOBAL.hunger > 2 && Random.Range(0f, 1f) > 0.5f) {
                VNData.NextScene = Dialogue.Manager_Hungry1;
            } else if (GameData.GLOBAL.status == Status.Moody) {
                VNData.NextScene = VNData.moodyScenes[Random.Range(0, VNData.moodyScenes.Count)];
            } else {
                VNData.NextScene = VNData.managerScenes[Random.Range(0, VNData.managerScenes.Count)];
            }

        }

        // The scene to play is pre-loaded here.
        interactions = VNData.GLOBAL.DIALOGUE[VNData.NextScene];
        GameData.GLOBAL.viewedScenes.Add(VNData.NextScene);
        vn.SetUp(VNData.NextScene, chooseManagerScene, fresh);
        Interact();
    }

    // Start is called before the first frame update
    void Start() {
        SetUp();
    }

    // Update is called once per frame
    void Update() {

    }
}