package main

import (
	"net/http"
	"time"
)

// Rewards needs a comment
func Rewards(w http.ResponseWriter, r *http.Request) {
	type data struct {
		Title             string
		Uploaded          bool
		Success           bool
		Rewards           rewards
		CumulativeRewards map[time.Month]string
		Colors            []string
		Currency          string
		ErrorText         string
		Lending           bool
	}

	// set common attributes
	d := data{}

	// set title according to site that called this function
	switch r.URL.Path {
	case "/rewards":
		d.Title = "Cake"
	case "/kraken":
		d.Title = "Kraken"
	}

	// check the method used to access this site (GET/POST)
	switch r.Method {

	case http.MethodGet:
		// display upload site
		d.Uploaded = false
		d.Success = false
		render(w, "rewards.html", d)

	case http.MethodPost:
		// upload the file that was posted here
		var success bool = false

		lines, err := uploadFile(w, r)
		if err == nil {
			success = true
		} else {
			// set ErrorText
			d.ErrorText = err.Error()
		}

		// prepare data for usage
		var color string
		var currency string
		var precision int
		var rewards rewards
		if success == true {
			currency = lines[1].Cryptocurrency
			color, precision, d.Lending = getCurrencyOpts(currency)
			rewards = monthlyRewardOverview(lines)
			d.CumulativeRewards = getCumulative(rewards, precision)
			d.Success = success
			d.Rewards.Staking = rewards.Staking
			d.Rewards.Confectionery = rewards.Confectionery
			d.Rewards.Lapis = rewards.Lapis
			d.Rewards.LapisDFI = rewards.LapisDFI
			d.Rewards.Referral = rewards.Referral
			d.Rewards.Airdrop = rewards.Airdrop
			d.Rewards.Swapped = rewards.Swapped
			d.Colors = getOtherColors(color, 8)
			d.Currency = currency
		}
		d.Uploaded = true

		render(w, "rewards.html", d)
	}
	// create a new line instance
}