package cache

import (
	"context"
	"fmt"
	"net/url"
)

type option struct {
	ctx    context.Context
	redis  *string
	memory bool
}

type Option func(*option)

func WithCtx(ctx context.Context) Option {
	return func(c *option) {
		if ctx != nil {
			c.ctx = ctx
		}
	}
}

func WithRedis(host string, port int, username, password string) Option {
	return func(c *option) {
		uri := fmt.Sprintf("redis://%s:%d", host, port)
		if username != "" || password != "" {
			uri = fmt.Sprintf("redis://%s:%s@%s:%d", username, password, host, port)
		}

		c.redis = &uri
	}
}

func WithRedisURI(uri string) Option {
	return func(c *option) {
		ins, err := url.Parse(uri)
		if err != nil {
			return
		}

		if ins.Scheme != "redis" {
			return
		}

		c.redis = &uri
	}
}

func WithMemory() Option {
	return func(c *option) {
		c.memory = true
	}
}