package promassert_test

import (
	"github.com/prometheus/client_golang/prometheus"
	"github.com/prometheus/client_golang/prometheus/promauto"
)

const (
	g1name  = "my_test_gauge"
	gv1name = "my_test_gauge_vec"

	c1name  = "my_test_counter"
	c1value = 42.0

	cv1name   = "my_test_counter_vec"
	cv1value1 = 1984.0
	cv1value2 = 8.0
	cv1value3 = 27.0
	cv1value4 = 86.0
)

var (
	cv1keys    = []string{"foo", "bar", "baz"}
	cv1labels1 = map[string]string{"foo": "hello", "bar": "world", "baz": "bit"}
	cv1labels2 = map[string]string{"foo": "goodbye", "bar": "world", "baz": "bit"}
	cv1labels3 = map[string]string{"foo": "hello", "bar": "goodbye", "baz": "bit"}
	cv1labels4 = map[string]string{"foo": "dog", "bar": "cat", "baz": "frog"}
)

// create the metrics in an init function so it only runs once per test.
// this makes the --count=N flag work for N>1.
func init() {
	const help = "help"

	// c1 is a nonvectorized counter
	c1 := promauto.NewCounter(prometheus.CounterOpts{
		Name: c1name,
		Help: help,
	})
	c1.Add(c1value)

	// g1 is a nonvectorized counter using the same values as c1
	g1 := promauto.NewGauge(prometheus.GaugeOpts{
		Name: g1name,
		Help: help,
	})
	g1.Add(c1value)

	// cv1 is a vectorized counter
	cv1 := promauto.NewCounterVec(prometheus.CounterOpts{
		Name: cv1name,
		Help: help,
	}, cv1keys)
	cv1.With(cv1labels1).Add(cv1value1)
	cv1.With(cv1labels2).Add(cv1value2)
	cv1.With(cv1labels3).Add(cv1value3)
	cv1.With(cv1labels4).Add(cv1value4)

	// gv1 is a vectorized counter using the same values as cv1
	gv1 := promauto.NewGaugeVec(prometheus.GaugeOpts{
		Name: gv1name,
		Help: help,
	}, cv1keys)
	gv1.With(cv1labels1).Add(cv1value1)
	gv1.With(cv1labels2).Add(cv1value2)
	gv1.With(cv1labels3).Add(cv1value3)
	gv1.With(cv1labels4).Add(cv1value4)
}