package components

import (
	"fmt"
	"git.ekzyis.com/ekzyis/delphi.market/types"
	"strconv"
	"math"
)

templ MarketForm(m types.Market, outcome int, q types.MarketQuote, uQ int) {
	<form
		id={ formId(outcome) }
		autocomplete="off"
		class="grid grid-cols-2 gap-3"
		hx-post={ fmt.Sprintf("/market/%d/order", m.Id) }
		hx-target="#modal"
		hx-swap="outerHTML"
		hx-select="#modal"
	>
		<input type="hidden" name="o" value={ fmt.Sprint(outcome) }/>
		<div class="none col-span-2 htmx-request"></div>
		<label for="p">price:</label>
		<div id="p">{ formatPrice(q.AvgPrice, 3) }</div>
		<label for="q">shares:</label>
		<input
			id={ inputId(outcome) }
			name="q"
			class="text-black px-1"
			type="number"
			step="100"
			min="0"
			autofocus
			hx-get={ fmt.Sprintf("/market/%d", m.Id) }
			hx-replace-url="true"
			hx-target={ fmt.Sprintf("#%s", formId(outcome)) }
			hx-swap="outerHTML"
			hx-select={ fmt.Sprintf("#%s", formId(outcome)) }
			hx-trigger="input changed delay:1s"
			hx-preserve
			hx-disabled-elt="next button"
			hx-indicator={ hxIndicator(outcome) }
		/>
		<label for="total">total:</label>
		<div id="total">{ formatPrice(q.TotalPrice, 3) }</div>
		<label for="reward">{ "potential earn:" }</label>
		<span id="reward" class={ colorize(q.Reward) }>+{ formatPrice(q.Reward, 3) }</span>
		<label for="uQ">you have:</label>
		<div id="uQ">{ fmt.Sprint(uQ) }</div>
		<button type="submit" class="col-span-2">submit</button>
	</form>
}

func formId(outcome int) string {
	return fmt.Sprintf("outcome-%d-form", outcome)
}

func inputId(outcome int) string {
	return fmt.Sprintf("outcome-%d-q", outcome)
}

func hxIndicator(outcome int) string {
	return fmt.Sprintf(
		"#%s>#p, #%s>#total, #%s>#reward",
		formId(outcome), formId(outcome), formId(outcome))
}

func formatPrice(p float64, n int) string {
	if p == 0 || math.IsNaN(p) {
		return "0 sats"
	}
	return fmt.Sprintf("%v sats", strconv.FormatFloat(p, 'f', n, 64))
}

func colorize(f float64) string {
	eps := 1e-5
	if f-eps > 0 {
		return "text-success"
	}
	return "text-reset"
}