package databag

import (
	"databag/internal/store"
	"gorm.io/gorm"
	"gorm.io/gorm/clause"
	"net/http"
)

//SetNodeConfig sets node configuration
func SetNodeConfig(w http.ResponseWriter, r *http.Request) {

	// validate login
	if code, err := ParamAdminToken(r); err != nil {
		ErrResponse(w, code, err)
		return
	}

  // update open access
  updateAccess := r.FormValue("setOpenAccess") == "true"

	// parse node config
	var config NodeConfig
	if err := ParseRequest(r, w, &config); err != nil {
		ErrResponse(w, http.StatusBadRequest, err)
		return
	}

	// store credentials
	err := store.DB.Transaction(func(tx *gorm.DB) error {

		// upsert domain config
    if res := tx.Clauses(clause.OnConflict{
      Columns:   []clause.Column{{Name: "config_id"}},
      DoUpdates: clause.AssignmentColumns([]string{"str_value"}),
    }).Create(&store.Config{ConfigID: CNFDomain, StrValue: config.Domain}).Error; res != nil {
      return res
    }

		// upsert account storage config
		if res := tx.Clauses(clause.OnConflict{
			Columns:   []clause.Column{{Name: "config_id"}},
			DoUpdates: clause.AssignmentColumns([]string{"num_value"}),
		}).Create(&store.Config{ConfigID: CNFStorage, NumValue: config.AccountStorage}).Error; res != nil {
			return res
		}

    // upsert enable image processing
		if res := tx.Clauses(clause.OnConflict{
			Columns:   []clause.Column{{Name: "config_id"}},
			DoUpdates: clause.AssignmentColumns([]string{"bool_value"}),
		}).Create(&store.Config{ConfigID: CNFEnableImage, BoolValue: config.EnableImage}).Error; res != nil {
			return res
		}

    // upsert enable audio processing
		if res := tx.Clauses(clause.OnConflict{
			Columns:   []clause.Column{{Name: "config_id"}},
			DoUpdates: clause.AssignmentColumns([]string{"bool_value"}),
		}).Create(&store.Config{ConfigID: CNFEnableAudio, BoolValue: config.EnableAudio}).Error; res != nil {
			return res
		}

    // upsert enable video processing
		if res := tx.Clauses(clause.OnConflict{
			Columns:   []clause.Column{{Name: "config_id"}},
			DoUpdates: clause.AssignmentColumns([]string{"bool_value"}),
		}).Create(&store.Config{ConfigID: CNFEnableVideo, BoolValue: config.EnableVideo}).Error; res != nil {
			return res
		}

    // upsert enable binary attachments
		if res := tx.Clauses(clause.OnConflict{
			Columns:   []clause.Column{{Name: "config_id"}},
			DoUpdates: clause.AssignmentColumns([]string{"bool_value"}),
		}).Create(&store.Config{ConfigID: CNFEnableBinary, BoolValue: config.EnableBinary}).Error; res != nil {
			return res
		}

    // upsert allow unsealed channels
		if res := tx.Clauses(clause.OnConflict{
			Columns:   []clause.Column{{Name: "config_id"}},
			DoUpdates: clause.AssignmentColumns([]string{"bool_value"}),
		}).Create(&store.Config{ConfigID: CNFAllowUnsealed, BoolValue: config.AllowUnsealed}).Error; res != nil {
			return res
		}

    // upsert push supported
    if res := tx.Clauses(clause.OnConflict{
       Columns:   []clause.Column{{Name: "config_id"}},
       DoUpdates: clause.AssignmentColumns([]string{"bool_value"}),
    }).Create(&store.Config{ConfigID: CNFPushSupported, BoolValue: config.PushSupported}).Error; res != nil {
      return res
    }

		// upsert key type
		if res := tx.Clauses(clause.OnConflict{
			Columns:   []clause.Column{{Name: "config_id"}},
			DoUpdates: clause.AssignmentColumns([]string{"str_value"}),
		}).Create(&store.Config{ConfigID: CNFKeyType, StrValue: config.KeyType}).Error; res != nil {
			return res
		}

    // upsert push supported
    if res := tx.Clauses(clause.OnConflict{
       Columns:   []clause.Column{{Name: "config_id"}},
       DoUpdates: clause.AssignmentColumns([]string{"bool_value"}),
    }).Create(&store.Config{ConfigID: CNFEnableIce, BoolValue: config.EnableIce}).Error; res != nil {
      return res
    }

		// upsert key type
		if res := tx.Clauses(clause.OnConflict{
			Columns:   []clause.Column{{Name: "config_id"}},
			DoUpdates: clause.AssignmentColumns([]string{"str_value"}),
		}).Create(&store.Config{ConfigID: CNFIceUrl, StrValue: config.IceUrl}).Error; res != nil {
			return res
		}

		// upsert key type
		if res := tx.Clauses(clause.OnConflict{
			Columns:   []clause.Column{{Name: "config_id"}},
			DoUpdates: clause.AssignmentColumns([]string{"str_value"}),
		}).Create(&store.Config{ConfigID: CNFIceUsername, StrValue: config.IceUsername}).Error; res != nil {
			return res
		}

		// upsert key type
		if res := tx.Clauses(clause.OnConflict{
			Columns:   []clause.Column{{Name: "config_id"}},
			DoUpdates: clause.AssignmentColumns([]string{"str_value"}),
		}).Create(&store.Config{ConfigID: CNFIcePassword, StrValue: config.IcePassword}).Error; res != nil {
			return res
		}

    if updateAccess {
      // upsert enable open access
      if res := tx.Clauses(clause.OnConflict{
        Columns:   []clause.Column{{Name: "config_id"}},
        DoUpdates: clause.AssignmentColumns([]string{"bool_value"}),
      }).Create(&store.Config{ConfigID: CNFEnableOpenAccess, BoolValue: config.EnableOpenAccess}).Error; res != nil {
        return res
      }

      // upsert open access limit
      if res := tx.Clauses(clause.OnConflict{
        Columns:   []clause.Column{{Name: "config_id"}},
        DoUpdates: clause.AssignmentColumns([]string{"num_value"}),
      }).Create(&store.Config{ConfigID: CNFOpenAccessLimit, NumValue: config.OpenAccessLimit}).Error; res != nil {
        return res
      }
    }

		return nil
	})
	if err != nil {
		ErrResponse(w, http.StatusInternalServerError, err)
		return
	}

  // increment revision of all account data
  var accounts []*store.Account
  if err := store.DB.Find(&accounts).Error; err != nil {
    ErrMsg(err);
    return
  }
  err = store.DB.Transaction(func(tx *gorm.DB) error {
    for _, account := range accounts {
      if res := tx.Model(account).Update("account_revision", account.AccountRevision+1).Error; res != nil {
        return res
      }
      if res := tx.Model(account).Update("profile_revision", account.ProfileRevision+1).Error; res != nil {
        return res
      }
    }
    return nil
  })
  if err != nil {
    ErrMsg(err);
    return
  }
  for _, account := range accounts {
    SetStatus(account)
  }

	w.WriteHeader(http.StatusOK)
}
