package resource

import (
	"encoding/json"
	"testing"
)

func TestParseGrantTargetUserIDAcceptsStringLongID(t *testing.T) {
	userID, err := parseGrantTargetUserID("318705991371722752")
	if err != nil {
		t.Fatalf("string long user id should be accepted: %v", err)
	}
	if userID != 318705991371722752 {
		t.Fatalf("user id mismatch: %d", userID)
	}
}

func TestParseGrantTargetUserIDKeepsLegacyNumber(t *testing.T) {
	userID, err := parseGrantTargetUserID(float64(163000))
	if err != nil {
		t.Fatalf("legacy numeric user id should be accepted: %v", err)
	}
	if userID != 163000 {
		t.Fatalf("user id mismatch: %d", userID)
	}
}

func TestApplyGrantOperatorsUsesSourceSpecificProfiles(t *testing.T) {
	grants := []grantDTO{
		{GrantID: "grant-admin", GrantSource: "admin", OperatorUserID: 7},
		{GrantID: "grant-manager", GrantSource: "manager_center", OperatorUserID: 9001},
	}

	applyGrantOperators(grants, map[uint]adminOperator{
		7: {UserID: 7, Username: "admin", Name: "后台管理员"},
	}, map[int64]managerOperator{
		9001: {UserID: 9001, DisplayUserID: "10086", Username: "经理 A", Avatar: "https://cdn.example/avatar.png"},
	})

	if grants[0].Operator == nil || grants[0].Operator.Source != "admin" || grants[0].Operator.Name != "后台管理员" || grants[0].Operator.Username != "admin" {
		t.Fatalf("admin operator mismatch: %+v", grants[0].Operator)
	}
	if grants[1].Operator == nil || grants[1].Operator.Source != "manager_center" || grants[1].Operator.DisplayUserID != "10086" || grants[1].Operator.Avatar == "" || grants[1].Operator.Username != "经理 A" {
		t.Fatalf("manager operator mismatch: %+v", grants[1].Operator)
	}
}

func TestApplyGrantTargetUsersKeepsFallbackUserID(t *testing.T) {
	grants := []grantDTO{
		{GrantID: "grant-with-user", TargetUserID: 1001},
		{GrantID: "grant-missing-user", TargetUserID: 1002},
	}

	applyGrantTargetUsers(grants, map[int64]grantUserDTO{
		1001: {UserID: 1001, DisplayUserID: "900001", Username: "玩家 A", Avatar: "https://cdn.example/user.png"},
	})

	if grants[0].TargetUser == nil || grants[0].TargetUser.DisplayUserID != "900001" || grants[0].TargetUser.Username != "玩家 A" {
		t.Fatalf("target user mismatch: %+v", grants[0].TargetUser)
	}
	if grants[1].TargetUser == nil || grants[1].TargetUser.UserID != 1002 || grants[1].TargetUser.DisplayUserID != "" {
		t.Fatalf("target fallback mismatch: %+v", grants[1].TargetUser)
	}
}

func TestEmojiPackMetadataDefaultsToAllRegions(t *testing.T) {
	metadata, err := emojiPackMetadataJSON([]int64{0, 1001}, "", "")
	if err != nil {
		t.Fatalf("metadata build failed: %v", err)
	}
	var payload emojiPackMetadataPayload
	if err := json.Unmarshal([]byte(metadata), &payload); err != nil {
		t.Fatalf("metadata json mismatch: %v", err)
	}
	if payload.RegionScope != "all" || len(payload.RegionIDs) != 0 || payload.Category != defaultEmojiPackCategory || payload.PricingType != emojiPackPricingFree {
		t.Fatalf("unexpected all-region metadata: %+v", payload)
	}
}

func TestEmojiPackMetadataKeepsLimitedRegions(t *testing.T) {
	metadata, err := emojiPackMetadataJSON([]int64{1001, 1001, 1002}, "会员", "paid")
	if err != nil {
		t.Fatalf("metadata build failed: %v", err)
	}
	payload := emojiPackMetadataFromJSON(metadata)
	if payload.RegionScope != "limited" || payload.Category != "会员" || payload.PricingType != emojiPackPricingPaid {
		t.Fatalf("unexpected limited-region metadata: %+v", payload)
	}
	if len(payload.RegionIDs) != 2 || payload.RegionIDs[0] != 1001 || payload.RegionIDs[1] != 1002 {
		t.Fatalf("unexpected region ids: %+v", payload.RegionIDs)
	}
}

func TestBadgeResourceMetadataUsesSelectedForm(t *testing.T) {
	metadata := resourceMetadataJSON(resourceTypeBadge, "long")
	payload := badgeMetadataPayload{}
	if err := json.Unmarshal([]byte(metadata), &payload); err != nil {
		t.Fatalf("badge metadata json mismatch: %v", err)
	}
	if payload.BadgeForm != badgeFormStrip || payload.DefaultSlot != "profile_strip" {
		t.Fatalf("long badge metadata mismatch: %+v", payload)
	}
	if got := badgeFormFromMetadata(resourceMetadataJSON(resourceTypeBadge, "short")); got != badgeFormTile {
		t.Fatalf("short badge form mismatch: %s", got)
	}
}

func TestValidateBadgeResourceRequiresBadgeForm(t *testing.T) {
	if err := validateResourceBadgeForm(resourceRequest{ResourceType: resourceTypeBadge}); err == nil {
		t.Fatalf("badge form should be required")
	}
	if err := validateResourceBadgeForm(resourceRequest{ResourceType: resourceTypeBadge, BadgeForm: badgeFormTile}); err != nil {
		t.Fatalf("valid badge form rejected: %v", err)
	}
	if err := validateResourceBadgeForm(resourceRequest{ResourceType: "gift", BadgeForm: ""}); err != nil {
		t.Fatalf("non-badge resource should not require badge form: %v", err)
	}
}