package model

import (
	"encoding/json"
	"time"

	"github.com/caos/logging"

	"github.com/caos/zitadel/internal/domain"
	caos_errs "github.com/caos/zitadel/internal/errors"
	"github.com/caos/zitadel/internal/eventstore/v1/models"
	features_model "github.com/caos/zitadel/internal/features/model"
	iam_repo "github.com/caos/zitadel/internal/repository/iam"
	org_repo "github.com/caos/zitadel/internal/repository/org"
)

const (
	FeaturesKeyAggregateID = "aggregate_id"
	FeaturesKeyDefault     = "default_features"
)

type FeaturesView struct {
	AggregateID  string    `json:"-" gorm:"column:aggregate_id;primary_key"`
	CreationDate time.Time `json:"-" gorm:"column:creation_date"`
	ChangeDate   time.Time `json:"-" gorm:"column:change_date"`
	Sequence     uint64    `json:"-" gorm:"column:sequence"`
	Default      bool      `json:"-" gorm:"column:default_features"`

	TierName                 string        `json:"tierName" gorm:"column:tier_name"`
	TierDescription          string        `json:"tierDescription" gorm:"column:tier_description"`
	State                    int32         `json:"state" gorm:"column:state"`
	StateDescription         string        `json:"stateDescription" gorm:"column:state_description"`
	AuditLogRetention        time.Duration `json:"auditLogRetention" gorm:"column:audit_log_retention"`
	LoginPolicyFactors       bool          `json:"loginPolicyFactors" gorm:"column:login_policy_factors"`
	LoginPolicyIDP           bool          `json:"loginPolicyIDP" gorm:"column:login_policy_idp"`
	LoginPolicyPasswordless  bool          `json:"loginPolicyPasswordless" gorm:"column:login_policy_passwordless"`
	LoginPolicyRegistration  bool          `json:"loginPolicyRegistration" gorm:"column:login_policy_registration"`
	LoginPolicyUsernameLogin bool          `json:"loginPolicyUsernameLogin" gorm:"column:login_policy_username_login"`
	LoginPolicyPasswordReset bool          `json:"loginPolicyPasswordReset" gorm:"column:login_policy_password_reset"`
	PasswordComplexityPolicy bool          `json:"passwordComplexityPolicy" gorm:"column:password_complexity_policy"`
	LabelPolicy              *bool         `json:"labelPolicy" gorm:"-"`
	LabelPolicyPrivateLabel  bool          `json:"labelPolicyPrivateLabel" gorm:"column:label_policy_private_label"`
	LabelPolicyWatermark     bool          `json:"labelPolicyWatermark" gorm:"column:label_policy_watermark"`
	CustomDomain             bool          `json:"customDomain" gorm:"column:custom_domain"`
	CustomText               bool          `json:"customText" gorm:"column:custom_text"`
	PrivacyPolicy            bool          `json:"privacyPolicy" gorm:"column:privacy_policy"`
	MetadataUser             bool          `json:"metadataUser" gorm:"column:metadata_user"`
}

func FeaturesToModel(features *FeaturesView) *features_model.FeaturesView {
	return &features_model.FeaturesView{
		AggregateID:              features.AggregateID,
		CreationDate:             features.CreationDate,
		ChangeDate:               features.ChangeDate,
		Sequence:                 features.Sequence,
		Default:                  features.Default,
		TierName:                 features.TierName,
		TierDescription:          features.TierDescription,
		State:                    domain.FeaturesState(features.State),
		StateDescription:         features.StateDescription,
		AuditLogRetention:        features.AuditLogRetention,
		LoginPolicyFactors:       features.LoginPolicyFactors,
		LoginPolicyIDP:           features.LoginPolicyIDP,
		LoginPolicyPasswordless:  features.LoginPolicyPasswordless,
		LoginPolicyRegistration:  features.LoginPolicyRegistration,
		LoginPolicyUsernameLogin: features.LoginPolicyUsernameLogin,
		LoginPolicyPasswordReset: features.LoginPolicyPasswordReset,
		PasswordComplexityPolicy: features.PasswordComplexityPolicy,
		LabelPolicyPrivateLabel:  features.LabelPolicyPrivateLabel,
		LabelPolicyWatermark:     features.LabelPolicyWatermark,
		CustomDomain:             features.CustomDomain,
		CustomText:               features.CustomText,
		PrivacyPolicy:            features.PrivacyPolicy,
		MetadataUser:             features.MetadataUser,
	}
}

func (f *FeaturesView) AppendEvent(event *models.Event) (err error) {
	f.Sequence = event.Sequence
	f.ChangeDate = event.CreationDate
	switch string(event.Type) {
	case string(iam_repo.FeaturesSetEventType):
		f.SetRootData(event)
		f.CreationDate = event.CreationDate
		f.Default = true
		err = f.SetData(event)
	case string(org_repo.FeaturesSetEventType):
		f.SetRootData(event)
		f.CreationDate = event.CreationDate
		err = f.SetData(event)
		f.Default = false
	}
	return err
}

func (f *FeaturesView) SetRootData(event *models.Event) {
	if f.AggregateID == "" {
		f.AggregateID = event.AggregateID
	}
}

func (f *FeaturesView) SetData(event *models.Event) error {
	if err := json.Unmarshal(event.Data, f); err != nil {
		logging.Log("EVEN-DVsf2").WithError(err).Error("could not unmarshal event data")
		return caos_errs.ThrowInternal(err, "MODEL-Bfg31", "Could not unmarshal data")
	}
	if f.LabelPolicy != nil {
		f.LabelPolicyPrivateLabel = *f.LabelPolicy
	}
	return nil
}