package anilist

import (
	"reflect"
)

type page[T any] struct {
	PageInfo        *pageInfo        `json:"pageInfo"`
	Media           []Media          `json:"media"`
	MediaList       []MediaList      `json:"mediaList"`
	Users           []User           `json:"users"`
	AiringSchedules []AiringSchedule `json:"airingSchedules"`
}

func (p *page[T]) Data() []T {
	if reflect.TypeOf(new(T)).Elem() == reflect.TypeOf(new(User)).Elem() {
		var data interface{} = p.Users
		return data.([]T)
	}

	if reflect.TypeOf(new(T)).Elem() == reflect.TypeOf(new(Media)).Elem() {
		var data interface{} = p.Media
		return data.([]T)
	}

	if reflect.TypeOf(new(T)).Elem() == reflect.TypeOf(new(MediaList)).Elem() {
		var data interface{} = p.MediaList
		return data.([]T)
	}

	if reflect.TypeOf(new(T)).Elem() == reflect.TypeOf(new(AiringSchedule)).Elem() {
		var data interface{} = p.AiringSchedules
		return data.([]T)
	}

	panic("generic type not implemented: " + reflect.TypeOf(new(T)).Elem().Name())
}

type pageInfo struct {
	Total       int  `json:"total"`
	CurrentPage int  `json:"currentPage"`
	LastPage    int  `json:"lastPage"`
	HasNextPage bool `json:"hasNextPage"`
	PerPage     int  `json:"perPage"`
}