package main

import "testing"

func TestConfigValidateAllowsDefaultLocalConfig(t *testing.T) {
	t.Parallel()
	cfg := loadConfig()
	cfg.ChainID = 84532
	cfg.RequireOnchainTxVerify = false
	cfg.ChainRPCURL = ""
	if err := cfg.Validate(); err != nil {
		t.Fatalf("expected default-like config valid, got %v", err)
	}
}

func TestConfigValidateRejectsStrictVerificationWithoutRPC(t *testing.T) {
	t.Parallel()
	cfg := loadConfig()
	cfg.RequireOnchainTxVerify = true
	cfg.ChainRPCURL = ""
	if err := cfg.Validate(); err == nil {
		t.Fatalf("expected strict verification config validation failure")
	}
}

func TestConfigValidateRejectsNonPositiveChainID(t *testing.T) {
	t.Parallel()
	cfg := loadConfig()
	cfg.ChainID = 0
	if err := cfg.Validate(); err == nil {
		t.Fatalf("expected chain id validation failure")
	}
}

func TestConfigValidateRejectsNonUSDCCurrency(t *testing.T) {
	t.Parallel()
	cfg := loadConfig()
	cfg.MintCurrency = "ETH"
	if err := cfg.Validate(); err == nil {
		t.Fatalf("expected mint currency validation failure")
	}
}

func TestConfigValidateRejectsNonSixMintDecimals(t *testing.T) {
	t.Parallel()
	cfg := loadConfig()
	cfg.MintDecimals = 18
	if err := cfg.Validate(); err == nil {
		t.Fatalf("expected mint decimals validation failure")
	}
}

func TestConfigValidateRejectsInvalidMintAmount(t *testing.T) {
	t.Parallel()
	cfg := loadConfig()
	cfg.MintAmountAtomic = "not-a-number"
	if err := cfg.Validate(); err == nil {
		t.Fatalf("expected mint amount validation failure")
	}
}