package mlp_test

import (
	"testing"

	"git.fromouter.space/mcg/draft"
	"git.fromouter.space/mcg/draft/mlp"
)

// TestAlternates tries to get alternates (SR/UR/RR)
// This might require a while since it needs to generate MANY packs!
func TestAlternates(t *testing.T) {
	// Load Premiere/CN as they have their own UR ratios
	prSet, err := mlp.LoadSetHTTP(mlp.SetPremiere)
	if err != nil {
		t.Fatalf("Could not fetch set data: %s", err.Error())
	}

	cnSet, err := mlp.LoadSetHTTP(mlp.SetCanterlotNights)
	if err != nil {
		t.Fatalf("Could not fetch set data: %s", err.Error())
	}

	// Load set with Royal rares
	eoSet, err := mlp.LoadSetHTTP(mlp.SetEquestrialOdysseys)
	if err != nil {
		t.Fatalf("Could not fetch set data: %s", err.Error())
	}

	// Find all Premiere URs
	prURs := []string{}
	for _, card := range prSet.CardData {
		if card.Rarity == mlp.RarityUltraRare {
			prURs = append(prURs, card.ID)
		}
	}

	// Find all CN URs
	cnURs := []string{}
	for _, card := range cnSet.CardData {
		if card.Rarity == mlp.RarityUltraRare {
			cnURs = append(cnURs, card.ID)
		}
	}

	// Get some PR packs and search for URs
	prurfound := false
	for i := 0; i < 1000; i++ {
		pack := draft.MakePack(prSet)
		// Check for ultra rares
		for _, id := range prURs {
			if pack[7].ID == id {
				prurfound = true
				break
			}
		}
		if prurfound {
			t.Logf("PR Ultra Rare found after %d packs\n", i)
			break
		}
	}

	if !prurfound {
		t.Fatalf("No PR UR found after 1000 packs")
	}

	// Get some CN packs and search for URs
	cnurfound := false
	for i := 0; i < 1000; i++ {
		pack := draft.MakePack(cnSet)
		// Check for ultra rares
		for _, id := range cnURs {
			if pack[7].ID == id {
				cnurfound = true
				break
			}
		}
		if cnurfound {
			t.Logf("CN Ultra Rare found after %d packs\n", i)
			break
		}
	}

	if !cnurfound {
		t.Fatalf("No CN UR found after 1000 packs")
	}

	eorrfound := false
	for i := 0; i < 100000; i++ {
		pack := draft.MakePack(eoSet)
		// Check for royal rares
		if pack[6].ID == "eo207/rr1" || pack[6].ID == "eo208/rr2" {
			t.Logf("EO Royal Rare found after %d packs\n", i)
			eorrfound = true
			break
		}
	}

	if !eorrfound {
		t.Fatalf("No EO RR found after 100k packs")
	}
}

// TestPackFixedSets tries to get packs a set that isn't a true set
// This should result in empty packs
func TestPackFixedSets(t *testing.T) {
	set, err := mlp.LoadSetBytes(mlp.SetRockNRave, []byte("{}"))
	if err != nil {
		t.Fatalf("Could not load set: %s", err.Error())
	}

	pack := draft.MakePack(set)
	if len(pack) != 0 {
		t.Fatalf("Expected an empty pack but got %d cards", len(pack))
	}
}