package com.airlock.iam.flow.shared.application.configuration.valueprovider;

import com.airlock.iam.common.api.application.configuration.encoder.StringEncoderConfig;
import com.airlock.iam.common.api.application.configuration.valueprovider.StringValueProviderConfig;
import com.airlock.iam.flow.api.application.configuration.valueprovider.ValueMapProviderConfig;
import com.airlock.iam.plugin.api.annotation.config.Plugin;
import com.airlock.iam.plugin.api.annotation.property.PluginListProperty;
import com.airlock.iam.plugin.api.annotation.property.StringProperty;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

@Plugin(description = "String value provider to create a string from a template.", displayName = "Template-based String Provider")
public final class TemplateStringValueProviderConfig implements StringValueProviderConfig {
   @PluginListProperty(description = "These plugins provide the map of all values that are available as variables in the template.", optional = true)
   private List<ValueMapProviderConfig> valueMapProviders;
   @PluginListProperty(
      description = "<p>Encode the values before they are inserted into the template. The encoders are applied in the configured order.</p><p>For a more flexible setup, use the plugins Transforming Value Map Provider and Transforming String Value Provider together with encoders.</p>",
      optional = true
   )
   private List<StringEncoderConfig> valueEncoders;
   @StringProperty(
      description = "<p>Template from which the provided string is created. Placeholders (<code>${value-selector}</code>) are replaced by the corresponding value selected from the \"Value Providers\". The templating mechanism also allows for date formatting, e.g. <code>${my-date,date,yyyy-MM-dd}</code>.</p><p><b>Security warning:</b> If you use this plugin to build a technical document (JSON, XML, etc.), make sure the value encoders contain a matching encoder in the last position to prevent it from breaking out of the defined structures.</p>",
      exampleValues = {"username=${user-id};", "{\"username\": \"${user-id}\"}"},
      isMultiLineText = true,
      optional = false
   )
   private String template;

   public List<ValueMapProviderConfig> getValueMapProviders() {
      return this.valueMapProviders;
   }

   public List<StringEncoderConfig> getValueEncoders() {
      return this.valueEncoders;
   }

   public String getTemplate() {
      return this.template;
   }

   @SuppressFBWarnings(justification = "generated code")
   public static TemplateStringValueProviderConfig.TemplateStringValueProviderConfigBuilder builder() {
      return new TemplateStringValueProviderConfig.TemplateStringValueProviderConfigBuilder();
   }

   @SuppressFBWarnings(justification = "generated code")
   public TemplateStringValueProviderConfig() {
   }

   @SuppressFBWarnings(justification = "generated code")
   public TemplateStringValueProviderConfig(List<ValueMapProviderConfig> valueMapProviders, List<StringEncoderConfig> valueEncoders, String template) {
      this.valueMapProviders = valueMapProviders;
      this.valueEncoders = valueEncoders;
      this.template = template;
   }

   @SuppressFBWarnings(justification = "generated code")
   public static class TemplateStringValueProviderConfigBuilder {
      @SuppressFBWarnings(justification = "generated code")
      private ArrayList<ValueMapProviderConfig> valueMapProviders;
      @SuppressFBWarnings(justification = "generated code")
      private ArrayList<StringEncoderConfig> valueEncoders;
      @SuppressFBWarnings(justification = "generated code")
      private String template;

      @SuppressFBWarnings(justification = "generated code")
      TemplateStringValueProviderConfigBuilder() {
      }

      @SuppressFBWarnings(justification = "generated code")
      public TemplateStringValueProviderConfig.TemplateStringValueProviderConfigBuilder valueMapProvider(ValueMapProviderConfig valueMapProvider) {
         if (this.valueMapProviders == null) {
            this.valueMapProviders = new ArrayList<>();
         }

         this.valueMapProviders.add(valueMapProvider);
         return this;
      }

      @SuppressFBWarnings(justification = "generated code")
      public TemplateStringValueProviderConfig.TemplateStringValueProviderConfigBuilder valueMapProviders(
         Collection<? extends ValueMapProviderConfig> valueMapProviders
      ) {
         if (valueMapProviders == null) {
            throw new NullPointerException("valueMapProviders cannot be null");
         }

         if (this.valueMapProviders == null) {
            this.valueMapProviders = new ArrayList<>();
         }

         this.valueMapProviders.addAll(valueMapProviders);
         return this;
      }

      @SuppressFBWarnings(justification = "generated code")
      public TemplateStringValueProviderConfig.TemplateStringValueProviderConfigBuilder clearValueMapProviders() {
         if (this.valueMapProviders != null) {
            this.valueMapProviders.clear();
         }

         return this;
      }

      @SuppressFBWarnings(justification = "generated code")
      public TemplateStringValueProviderConfig.TemplateStringValueProviderConfigBuilder valueEncoder(StringEncoderConfig valueEncoder) {
         if (this.valueEncoders == null) {
            this.valueEncoders = new ArrayList<>();
         }

         this.valueEncoders.add(valueEncoder);
         return this;
      }

      @SuppressFBWarnings(justification = "generated code")
      public TemplateStringValueProviderConfig.TemplateStringValueProviderConfigBuilder valueEncoders(Collection<? extends StringEncoderConfig> valueEncoders) {
         if (valueEncoders == null) {
            throw new NullPointerException("valueEncoders cannot be null");
         }

         if (this.valueEncoders == null) {
            this.valueEncoders = new ArrayList<>();
         }

         this.valueEncoders.addAll(valueEncoders);
         return this;
      }

      @SuppressFBWarnings(justification = "generated code")
      public TemplateStringValueProviderConfig.TemplateStringValueProviderConfigBuilder clearValueEncoders() {
         if (this.valueEncoders != null) {
            this.valueEncoders.clear();
         }

         return this;
      }

      @SuppressFBWarnings(justification = "generated code")
      public TemplateStringValueProviderConfig.TemplateStringValueProviderConfigBuilder template(String template) {
         this.template = template;
         return this;
      }

      @SuppressFBWarnings(justification = "generated code")
      public TemplateStringValueProviderConfig build() {
         List valueMapProviders = switch (this.valueMapProviders == null ? 0 : this.valueMapProviders.size()) {
            case 0 -> Collections.emptyList();
            case 1 -> Collections.singletonList(this.valueMapProviders.get(0));
            default -> Collections.unmodifiableList(new ArrayList<>(this.valueMapProviders));
         };

         return new TemplateStringValueProviderConfig(valueMapProviders, switch (this.valueEncoders == null ? 0 : this.valueEncoders.size()) {
            case 0 -> Collections.emptyList();
            case 1 -> Collections.singletonList(this.valueEncoders.get(0));
            default -> Collections.unmodifiableList(new ArrayList<>(this.valueEncoders));
         }, this.template);
      }

      @SuppressFBWarnings(justification = "generated code")
      @Override
      public String toString() {
         return "TemplateStringValueProviderConfig.TemplateStringValueProviderConfigBuilder(valueMapProviders="
            + this.valueMapProviders
            + ", valueEncoders="
            + this.valueEncoders
            + ", template="
            + this.template
            + ")";
      }
   }
}