package database

import (
	"context"
	"fmt"
	"queryorchestration/internal/database/repository"

	"github.com/jackc/pgx/v5/pgxpool"
)

type DBConfig struct {
	DBUser       string `env:"DB_USER,required,notEmpty"`
	DBSecret     string `env:"DB_PASS,required,notEmpty"`
	DBHost       string `env:"DB_HOST,required,notEmpty"`
	DBPort       int    `env:"DB_PORT,required,notEmpty"`
	DBName       string `env:"DB_NAME,required,notEmpty"`
	DBNoSSL      bool   `env:"DB_NOSSL" envDefault:"false"`
	DBPool       Pool
	DBQueries    *repository.Queries
	DBPoolConfig *pgxpool.Config
	DBEnumTypes  []string
}

type ConfigProvider interface {
	GetDBBaseURI() string
	GetDBURI() string
	GetDBOpts() map[string]string
	GetDBOptsString() string
	GetDBHost() string
	GetDBPort() int
	GetDBUser() string
	GetDBSecret() string
	IsDBNoSSL() bool
	GetDBName() string
	GetDBDriver() string
	SetDBPoolConfig() error
	SetDBPool(ctx context.Context) error
	GetDBQueries() *repository.Queries
	GetDBPool() Pool
	DBPing(context.Context) error
	ExecuteDBTransaction(context.Context, func(context.Context, *repository.Queries) error) error
}

func (b *DBConfig) GetDBOpts() map[string]string {
	opts := make(map[string]string)

	if b.DBNoSSL {
		opts["sslmode"] = "disable"
	}

	return opts
}

func (b *DBConfig) GetDBOptsString() string {
	str := ""
	opts := b.GetDBOpts()
	isFirst := true
	for key, value := range opts {
		if !isFirst {
			str += "&"
		} else {
			isFirst = false
		}
		str += fmt.Sprintf("%s=%s", key, value)
	}

	return str
}

func (b *DBConfig) GetDBDriver() string {
	return "postgres"
}

func (b *DBConfig) GetDBBaseURI() string {
	return fmt.Sprintf("%s://%s:%s@%s:%d/", b.GetDBDriver(), b.DBUser, b.DBSecret, b.DBHost, b.DBPort)
}

func (b *DBConfig) GetDBURI() string {
	return fmt.Sprintf("%s%s?%s", b.GetDBBaseURI(), b.DBName, b.GetDBOptsString())
}

func (b *DBConfig) GetDBHost() string {
	return b.DBHost
}

func (b *DBConfig) GetDBPort() int {
	return b.DBPort
}

func (b *DBConfig) GetDBUser() string {
	return b.DBUser
}

func (b *DBConfig) GetDBSecret() string {
	return b.DBSecret
}

func (b *DBConfig) IsDBNoSSL() bool {
	return b.DBNoSSL
}

func (b *DBConfig) GetDBName() string {
	return b.DBName
}