package commands

import (
	"encoding/json"
	"io/ioutil"
	"math/rand"
	"net/http"
	"time"

	helpers "ion606_bot/Bot/Helpers"

	"github.com/bwmarrin/discordgo"
)

var CatfactCommand = &discordgo.ApplicationCommand{
	Name:        "catfact",
	Description: "Fetches a random cat fact",
}

type CatFactAPIResponse struct {
	Facts []struct {
		FactNumber int    `json:"fact_number"`
		Fact       string `json:"fact"`
	} `json:"facts"`
}

func HandleCatfact(s *discordgo.Session, i *discordgo.InteractionCreate) {
	client := http.Client{
		Timeout: 10 * time.Second,
	}
	resp, err := client.Get("https://www.catfacts.net/api/")
	if err != nil {
		helpers.HandleError(s, i, err)
		return
	}

	defer resp.Body.Close()
	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		helpers.HandleError(s, i, err)
		return
	}

	var result CatFactAPIResponse
	err = json.Unmarshal(body, &result)
	if err != nil || len(result.Facts) == 0 {
		helpers.HandleError(s, i, err)
		return
	}

	// Pick a random fact from the array.
	rand.Seed(time.Now().UnixNano())
	randomFact := result.Facts[rand.Intn(len(result.Facts))].Fact

	s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
		Type: discordgo.InteractionResponseChannelMessageWithSource,
		Data: &discordgo.InteractionResponseData{
			Content: randomFact,
		},
	})
}