package controllers_test

import (
	"context"
	"database/sql"
	"fmt"
	"os"
	"testing"
	"time"

	"gitea.badhouseplants.net/softplayer/softplayer-backend/internal/controllers"
	"gitea.badhouseplants.net/softplayer/softplayer-backend/internal/helpers/postgres"
	"github.com/google/uuid"
	_ "github.com/jackc/pgx/v5/stdlib"
	"github.com/redis/go-redis/v9"
	"github.com/stretchr/testify/assert"
)

func newTestDBConnection(ctx context.Context) *sql.DB {
	connStr, ok := os.LookupEnv("SOFTPLAYER_DB_CONNECTION_STRING")
	if !ok {
		// Default connection string
		connStr = "postgres://softplayer:qwertyu9@localhost:30432/softplayer?sslmode=disable"
	}
	db, err := postgres.Open(ctx, connStr)
	if err != nil {
		panic(err)
	}
	return db
}

func newTestRedisConnection() *redis.Client {
	connStr, ok := os.LookupEnv("SOFTPLAYER_REDIS_HOST")
	if !ok {
		// Default redis host
		connStr = "localhost:30379"
	}
	return redis.NewClient(&redis.Options{
		Addr: connStr,
	})
}

func newTestAccountController(ctx context.Context) *controllers.AccountController {
	return &controllers.AccountController{
		DB:              newTestDBConnection(ctx),
		Redis:           newTestRedisConnection(),
		DevMode:         true,
		HashCost:        3,
		AccessTokenTTL:  time.Second * 10,
		RefreshTokenTTL: time.Second * 15,
		JWTSecret:       []byte("test-secret"),
	}
}

func newTestUniqueEmail(prefix string) string {
	if prefix == "" {
		prefix = "test"
	}

	return fmt.Sprintf(
		"%s-%d-%s@example.com",
		prefix,
		time.Now().UnixMilli(),
		uuid.NewString(),
	)
}

func TestIntegrationAccountCreate_Success(t *testing.T) {
	ctrl := newTestAccountController(t.Context())
	accountData := &controllers.AccountData{
		Password: "qwertyu9",
		Email:    newTestUniqueEmail("accounts"),
	}
	id, err := ctrl.Create(t.Context(), accountData)
	assert.NoError(t, err)
	assert.NotEmpty(t, id)
}

func TestIntegrationAccountCreate_ExistingAccountErr(t *testing.T) {
	ctrl := newTestAccountController(t.Context())
	email := newTestUniqueEmail("accounts")
	accountData := &controllers.AccountData{
		Password: "qwertyu9",
		Email:    email,
	}
	id, err := ctrl.Create(t.Context(), accountData)
	assert.NoError(t, err)
	assert.NotEmpty(t, id)

	id, err = ctrl.Create(t.Context(), accountData)
	assert.Empty(t, id)
	assert.Error(t, err)
	assert.ErrorIs(t, err, controllers.ErrEmailUsed)
}

func TestIntegrationAccountLogin_Success(t *testing.T) {
	ctrl := newTestAccountController(t.Context())
	email := newTestUniqueEmail("accounts")
	accountData := &controllers.AccountData{
		Password: "qwertyu9",
		Email:    email,
	}
	id, err := ctrl.Create(t.Context(), accountData)
	assert.NoError(t, err)
	assert.NotEmpty(t, id)
	accountData.UUID = id

	id, err = ctrl.Login(t.Context(), accountData.Email, accountData.Password)
	assert.NoError(t, err)
	assert.NotEmpty(t, id)
}

func TestIntegrationAccountLogin_WrongPassword(t *testing.T) {
	ctrl := newTestAccountController(t.Context())
	email := newTestUniqueEmail("accounts")
	accountData := &controllers.AccountData{
		Password: "qwertyu9",
		Email:    email,
	}
	id, err := ctrl.Create(t.Context(), accountData)
	assert.NoError(t, err)
	assert.NotEmpty(t, id)
	accountData.UUID = id

	id, err = ctrl.Login(t.Context(), accountData.Email, "Wrong Password")
	assert.Empty(t, id)
	assert.Error(t, err)
	assert.ErrorIs(t, err, controllers.ErrWrongPassword)
}

func TestIntegrationAccountLogin_WrongEmail(t *testing.T) {
	ctrl := newTestAccountController(t.Context())
	email := newTestUniqueEmail("accounts")
	accountData := &controllers.AccountData{
		Password: "qwertyu9",
		Email:    email,
	}
	id, err := ctrl.Create(t.Context(), accountData)
	assert.NoError(t, err)
	assert.NotEmpty(t, id)
	accountData.UUID = id

	id, err = ctrl.Login(t.Context(), "some@email.com", "Wrong Password")
	assert.Empty(t, id)
	assert.Error(t, err)
	assert.ErrorIs(t, err, controllers.ErrUserNotFound)
}