package mail

import (
	"context"
	"fmt"
	"html"
)

// Mailer sends emails.
type Mailer interface {
	Send(ctx context.Context, email, subject, text, htmlBody string) error
}

func SendEmailVerificationEmail(ctx context.Context, baseURL string, mailer Mailer, token, email string) error {
	verifyURL := baseURL + "/verify?token=" + token
	text := "Click here to verify your email: " + verifyURL
	htmlBody := fmt.Sprintf(
		`<p>Click <a href="%s">here</a> to verify your email.</p>`,
		html.EscapeString(verifyURL),
	)
	return mailer.Send(ctx, email, "Verify your email", text, htmlBody)
}

func SendPasswordResetEmail(ctx context.Context, baseURL string, mailer Mailer, token, email string) error {
	resetURL := baseURL + "/reset-password?token=" + token
	text := "Click here to reset your password: " + resetURL
	htmlBody := fmt.Sprintf(
		`<p>Click <a href="%s">here</a> to reset your password.</p>`,
		html.EscapeString(resetURL),
	)
	return mailer.Send(ctx, email, "Reset your password", text, htmlBody)
}

func SendTenantInvitationEmail(ctx context.Context, baseURL string, mailer Mailer, token, email string) error {
	acceptURL := baseURL + "/accept-invitation?token=" + token
	text := "You've been invited to join a team. Click here to accept: " + acceptURL
	htmlBody := fmt.Sprintf(
		`<p>You've been invited to join a team. Click <a href="%s">here</a> to accept.</p>`,
		html.EscapeString(acceptURL),
	)
	return mailer.Send(ctx, email, "You've been invited", text, htmlBody)
}