package strategy

import (
	"bindbox-game/internal/repository/mysql/dao"
	"bindbox-game/internal/repository/mysql/model"
	"context"
	"crypto/sha256"
	"fmt"
	"testing"

	"gorm.io/driver/sqlite"
	"gorm.io/gorm"
)

func TestIchibanProofHasSeedHash(t *testing.T) {
	// 1. Setup In-Memory DB
	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
	if err != nil {
		t.Fatalf("db open err: %v", err)
	}

	// 2. Migrate Tables
	db.Exec(`CREATE TABLE activities (id INTEGER PRIMARY KEY AUTOINCREMENT, commitment_seed_master BLOB, commitment_state_version INTEGER, deleted_at DATETIME);`)
	db.Exec(`CREATE TABLE activity_reward_settings (id INTEGER PRIMARY KEY AUTOINCREMENT, created_at DATETIME, updated_at DATETIME, issue_id INTEGER NOT NULL, product_id INTEGER, name TEXT NOT NULL, weight INTEGER NOT NULL, quantity INTEGER NOT NULL, original_qty INTEGER NOT NULL, level INTEGER NOT NULL, sort INTEGER NOT NULL, is_boss INTEGER NOT NULL, deleted_at DATETIME);`)

	q := dao.Use(db)

	// 3. Insert Test Data
	seedBytes := []byte("testseedvalue")
	expectedHash := fmt.Sprintf("%x", sha256.Sum256(seedBytes))

	db.Exec("INSERT INTO activities (id, commitment_seed_master, commitment_state_version) VALUES (?, ?, ?)", 100, seedBytes, 1)

	r1 := &model.ActivityRewardSettings{IssueID: 10, Name: "A", Weight: 10, Quantity: 10, OriginalQty: 5, Level: 1, Sort: 1}
	q.ActivityRewardSettings.Create(r1)

	// 4. Test SelectItemBySlot
	s := NewIchiban(q, q)
	ctx := context.Background()

	_, proof, err := s.SelectItemBySlot(ctx, 100, 10, 0)
	if err != nil {
		t.Fatalf("SelectItemBySlot failed: %v", err)
	}

	// 5. Verify seed_hash is in proof
	if proof == nil {
		t.Fatal("proof is nil")
	}

	val, ok := proof["seed_hash"]
	if !ok {
		t.Fatal("seed_hash missing from proof")
	}

	seedHash, ok := val.(string)
	if !ok {
		t.Fatalf("seed_hash is not a string, got %T", val)
	}

	if seedHash != expectedHash {
		t.Fatalf("seed_hash mismatch. got %s, want %s", seedHash, expectedHash)
	}

	t.Logf("Success: seed_hash found in proof: %s", seedHash)
}