// Copyright © 2023 Ory Corp
// SPDX-License-Identifier: Apache-2.0

package email

import (
	"context"
	"encoding/json"
	"os"
	"strings"

	"github.com/ory/kratos/courier/template"
)

type (
	VerificationCodeValid struct {
		d template.Dependencies
		m *VerificationCodeValidModel
	}
	VerificationCodeValidModel struct {
		To                 string                       `json:"to"`
		VerificationURL    string                       `json:"verification_url"`
		VerificationCode   string                       `json:"verification_code"`
		Identity           map[string]any               `json:"identity"`
		RequestURL         string                       `json:"request_url"`
		TransientPayload   map[string]any               `json:"transient_payload"`
		ExpiresInMinutes   int                          `json:"expires_in_minutes"`
		OAuth2LoginRequest *template.OAuth2LoginRequest `json:"oauth2_login_request,omitempty"`
	}
)

func NewVerificationCodeValid(d template.Dependencies, m *VerificationCodeValidModel) *VerificationCodeValid {
	return &VerificationCodeValid{d: d, m: m}
}

func (t *VerificationCodeValid) EmailRecipient() (string, error) {
	return t.m.To, nil
}

func (t *VerificationCodeValid) EmailSubject(ctx context.Context) (string, error) {
	subject, err := template.LoadText(
		ctx,
		t.d,
		os.DirFS(t.d.CourierConfig().CourierTemplatesRoot(ctx)),
		"verification_code/valid/email.subject.gotmpl",
		"verification_code/valid/email.subject*",
		t.m,
		t.d.CourierConfig().CourierTemplatesVerificationCodeValid(ctx).Subject,
	)

	return strings.TrimSpace(subject), err
}

func (t *VerificationCodeValid) EmailBody(ctx context.Context) (string, error) {
	return template.LoadHTML(ctx,
		t.d,
		os.DirFS(t.d.CourierConfig().CourierTemplatesRoot(ctx)),
		"verification_code/valid/email.body.gotmpl",
		"verification_code/valid/email.body*",
		t.m,
		t.d.CourierConfig().CourierTemplatesVerificationCodeValid(ctx).Body.HTML,
	)
}

func (t *VerificationCodeValid) EmailBodyPlaintext(ctx context.Context) (string, error) {
	return template.LoadText(ctx,
		t.d,
		os.DirFS(t.d.CourierConfig().CourierTemplatesRoot(ctx)),
		"verification_code/valid/email.body.plaintext.gotmpl",
		"verification_code/valid/email.body.plaintext*",
		t.m,
		t.d.CourierConfig().CourierTemplatesVerificationCodeValid(ctx).Body.PlainText,
	)
}

func (t *VerificationCodeValid) MarshalJSON() ([]byte, error) {
	return json.Marshal(t.m)
}

func (t *VerificationCodeValid) TemplateType() template.TemplateType {
	return template.TypeVerificationCodeValid
}