package smashegg

import (
	"testing"

	"chatapp3-golang/internal/integration"
)

func TestNormalizeSaveRequestAcceptsNewbiePoolWithinRTPTolerance(t *testing.T) {
	normalized, err := normalizeSaveRequest(SaveConfigRequest{
		SysOrigin:          "yumi",
		Enabled:            true,
		Timezone:           "Asia/Riyadh",
		RTPBasisPoints:     9500,
		NewbiePoolEnabled:  true,
		NewbieWindowDays:   7,
		NewbieMaxDrawCount: 3,
		DrawOptions: []DrawOptionInput{
			{Enabled: true, Sort: 1, OptionKey: "ONE", Label: "1", Times: 1, PriceGold: 100},
			{Enabled: true, Sort: 2, OptionKey: "TEN", Label: "10", Times: 10, PriceGold: 1000},
		},
		Rewards: []RewardConfigInput{{
			Enabled:         true,
			RewardType:      rewardTypeGold,
			GoldAmount:      95,
			RewardValueGold: 95,
		}},
		NewbieRewards: []RewardConfigInput{{
			Enabled:         true,
			RewardType:      rewardTypeGold,
			GoldAmount:      96,
			RewardValueGold: 96,
		}},
	})
	if err != nil {
		t.Fatalf("normalizeSaveRequest returned error: %v", err)
	}
	if normalized.Rewards[0].Probability != probabilityTotal {
		t.Fatalf("general probability = %d, want %d", normalized.Rewards[0].Probability, probabilityTotal)
	}
	if normalized.NewbieRewards[0].Probability != probabilityTotal {
		t.Fatalf("newbie probability = %d, want %d", normalized.NewbieRewards[0].Probability, probabilityTotal)
	}
}

func TestNormalizeSaveRequestAutoCalculatesProbabilities(t *testing.T) {
	normalized, err := normalizeSaveRequest(SaveConfigRequest{
		SysOrigin:      "yumi",
		Enabled:        true,
		Timezone:       "Asia/Riyadh",
		RTPBasisPoints: 9500,
		DrawOptions: []DrawOptionInput{
			{Enabled: true, Sort: 1, OptionKey: "ONE", Label: "1", Times: 1, PriceGold: 500},
		},
		Rewards: []RewardConfigInput{
			{Enabled: true, RewardType: rewardTypeGold, GoldAmount: 50},
			{Enabled: true, RewardType: rewardTypeGold, GoldAmount: 100},
			{Enabled: true, RewardType: rewardTypeGold, GoldAmount: 500},
			{Enabled: true, RewardType: rewardTypeGold, GoldAmount: 5000},
		},
	})
	if err != nil {
		t.Fatalf("normalizeSaveRequest returned error: %v", err)
	}
	total := 0
	for _, reward := range normalized.Rewards {
		total += reward.Probability
	}
	if total != probabilityTotal {
		t.Fatalf("probability total = %d, want %d", total, probabilityTotal)
	}
	weighted := weightedRewardValueFromInputs(normalized.Rewards)
	rtp := drawOptionRTPBasisPointsFromWeightedValue(weighted, normalized.DrawOptions[0].Times, normalized.DrawOptions[0].PriceGold)
	if rtp < normalized.RTPBasisPoints-rtpToleranceBasisPoints || rtp > normalized.RTPBasisPoints+rtpToleranceBasisPoints {
		t.Fatalf("auto RTP = %d, want %d ± %d", rtp, normalized.RTPBasisPoints, rtpToleranceBasisPoints)
	}
}

func TestNormalizeSaveRequestAutoCalculatesDraftProbabilities(t *testing.T) {
	normalized, err := normalizeSaveRequest(SaveConfigRequest{
		SysOrigin:      "yumi",
		Enabled:        false,
		Timezone:       "Asia/Riyadh",
		RTPBasisPoints: 9500,
		DrawOptions: []DrawOptionInput{
			{Enabled: true, Sort: 1, OptionKey: "ONE", Label: "1", Times: 1, PriceGold: 500},
		},
		Rewards: []RewardConfigInput{
			{Enabled: true, RewardType: rewardTypeGold, GoldAmount: 50},
			{Enabled: true, RewardType: rewardTypeGold, GoldAmount: 100},
			{Enabled: true, RewardType: rewardTypeGold, GoldAmount: 500},
			{Enabled: true, RewardType: rewardTypeGold, GoldAmount: 10000},
		},
	})
	if err != nil {
		t.Fatalf("normalizeSaveRequest returned error: %v", err)
	}
	total := 0
	for _, reward := range normalized.Rewards {
		if reward.Enabled && reward.Probability <= 0 {
			t.Fatalf("enabled reward %d probability = %d, want > 0", reward.GoldAmount, reward.Probability)
		}
		total += reward.Probability
	}
	if total != probabilityTotal {
		t.Fatalf("probability total = %d, want %d", total, probabilityTotal)
	}
}

func TestNormalizeSaveRequestRejectsNewbiePoolOutsideRTPTolerance(t *testing.T) {
	_, err := normalizeSaveRequest(SaveConfigRequest{
		SysOrigin:          "yumi",
		Enabled:            true,
		Timezone:           "Asia/Riyadh",
		RTPBasisPoints:     9500,
		NewbiePoolEnabled:  true,
		NewbieWindowDays:   7,
		NewbieMaxDrawCount: 3,
		DrawOptions: []DrawOptionInput{
			{Enabled: true, Sort: 1, OptionKey: "ONE", Label: "1", Times: 1, PriceGold: 100},
		},
		Rewards: []RewardConfigInput{{
			Enabled:         true,
			RewardType:      rewardTypeGold,
			GoldAmount:      95,
			RewardValueGold: 95,
		}},
		NewbieRewards: []RewardConfigInput{{
			Enabled:         true,
			RewardType:      rewardTypeGold,
			GoldAmount:      110,
			RewardValueGold: 110,
		}},
	})
	if err == nil {
		t.Fatal("normalizeSaveRequest succeeded, want RTP validation error")
	}
}

func TestNormalizeSaveRequestAcceptsResourceRewardAndUsesDisplayPrice(t *testing.T) {
	normalized, err := normalizeSaveRequest(SaveConfigRequest{
		SysOrigin:      "yumi",
		Enabled:        true,
		Timezone:       "Asia/Riyadh",
		RTPBasisPoints: 9500,
		DrawOptions: []DrawOptionInput{
			{Enabled: true, Sort: 1, OptionKey: "ONE", Label: "1", Times: 1, PriceGold: 100},
		},
		Rewards: []RewardConfigInput{{
			Enabled:           true,
			RewardType:        "RESOURCE",
			ResourceID:        ResourceID(123),
			ResourceName:      "Avatar Frame",
			ResourceType:      "AVATAR_FRAME",
			CoverURL:          "https://example.test/frame.png",
			DurationDays:      7,
			DisplayGoldAmount: 95,
		}},
	})
	if err != nil {
		t.Fatalf("normalizeSaveRequest returned error: %v", err)
	}
	reward := normalized.Rewards[0]
	if reward.RewardType != rewardTypeResource {
		t.Fatalf("reward type = %s, want RESOURCE", reward.RewardType)
	}
	if reward.RewardGroupID == nil || *reward.RewardGroupID != 123 {
		t.Fatalf("reward group id = %v, want 123", reward.RewardGroupID)
	}
	if reward.RewardValueGold != 95 || reward.DisplayGoldAmount != 95 || reward.GoldAmount != 0 {
		t.Fatalf("normalized resource values = value:%d display:%d gold:%d", reward.RewardValueGold, reward.DisplayGoldAmount, reward.GoldAmount)
	}
}

func TestTotalRechargeAtLeast(t *testing.T) {
	items := []integration.UserTotalRecharge{
		{Amount: integration.DecimalString("80.50")},
		{Amount: integration.DecimalString("20")},
	}
	if !totalRechargeAtLeast(items, 100) {
		t.Fatal("totalRechargeAtLeast returned false, want true")
	}
	if totalRechargeAtLeast(items, 101) {
		t.Fatal("totalRechargeAtLeast returned true, want false")
	}
}