package data

import (
	"context"
	"testing"

	"kra/internal/conf"
)

func TestDatabaseConnectionConfigured(t *testing.T) {
	tests := []struct {
		name   string
		config *conf.Data_Database
		want   bool
	}{
		{name: "missing config", config: nil, want: false},
		{name: "empty database", config: &conf.Data_Database{Driver: "mysql"}, want: false},
		{name: "named database", config: &conf.Data_Database{Driver: "mysql", Name: "kra"}, want: true},
		{name: "standalone DSN", config: &conf.Data_Database{Driver: "sqlite", Source: "file:kra.db"}, want: true},
		{name: "generated DSN still requires a name", config: &conf.Data_Database{Driver: "mysql", Source: "root@tcp(localhost)/", Host: "localhost"}, want: false},
	}
	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			if got := databaseConnectionConfigured(test.config); got != test.want {
				t.Fatalf("databaseConnectionConfigured() = %v, want %v", got, test.want)
			}
		})
	}
}

func TestInitializationStateTracksRealDatabaseConnection(t *testing.T) {
	data := &Data{}
	repo := &initializationRepo{data: data}

	initialized, err := repo.IsInitialized(context.Background())
	if err != nil {
		t.Fatalf("IsInitialized() error = %v", err)
	}
	if initialized {
		t.Fatal("bootstrap state must require initialization")
	}

	data.databaseReady.Store(true)
	initialized, err = repo.IsInitialized(context.Background())
	if err != nil {
		t.Fatalf("IsInitialized() error = %v", err)
	}
	if !initialized {
		t.Fatal("an active configured database must not require initialization")
	}
}