package com.airlock.iam.authentication.application.configuration.migration;

import com.airlock.iam.flow.api.application.configuration.selection.FlowConditionConfig;
import com.airlock.iam.flow.api.application.configuration.sequence.FlowStepSequence;
import com.airlock.iam.flow.types.api.application.configuration.step.StepConfigForAuthenticationFlows;
import com.airlock.iam.plugin.api.annotation.config.Plugin;
import com.airlock.iam.plugin.api.annotation.lifecycle.AfterConfigActivation;
import com.airlock.iam.plugin.api.annotation.property.PluginListProperty;
import com.airlock.iam.plugin.api.annotation.property.PluginProperty;
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(
   displayName = "Advanced Migration Selection Option",
   description = "Advanced configuration of a migration subflow. The condition and all steps (including the \"Complete Migration Step\", if needed) must be configured manually."
)
public final class AdvancedMigrationSelectionOptionConfig implements MigrationSelectionOptionConfig {
   public static final String ADVANCED_MIGRATION_SELECTION_OPTION_DISPLAY_NAME = "Advanced Migration Selection Option";
   @StringProperty(
      description = "<p>Name of the selection option for this migration subflow.</p>\n<p>This includes <tt>POST /&lt;loginapp-uri&gt;/rest/public/authentication/migration/options/retrieve</tt>\nand <tt>POST /&lt;loginapp-uri&gt;/rest/public/authentication/migration/options/&lt;id&gt;/select</tt></p>",
      optional = false,
      validationRegex = "[A-Za-z0-9_-]+",
      suggestedValues = {"MIGRATE_NOW", "SPECIAL", "MTAN", "CRONTO"}
   )
   private String optionName;
   public static final String OPTION_NAME_PROPERTY = "optionName";
   @PluginListProperty(
      description = "Steps of this subflow. A \"Complete Migration Step\" must be configured manually, if needed.",
      minElements = 1,
      optional = false
   )
   private List<StepConfigForAuthenticationFlows> steps;
   @PluginProperty(description = "Condition that determines whether this migration subflow is available or not.", optional = false)
   private FlowConditionConfig condition;
   private FlowStepSequence initializedFlowStepSequence;

   public AdvancedMigrationSelectionOptionConfig(String optionName, List<StepConfigForAuthenticationFlows> steps, FlowConditionConfig condition) {
      this.optionName = optionName;
      this.steps = steps;
      this.condition = condition;
   }

   @AfterConfigActivation
   void initialize() {
      this.initializedFlowStepSequence = new FlowStepSequence(Collections.unmodifiableList(this.steps));
   }

   @Override
   public String getName() {
      return this.optionName;
   }

   @Override
   public FlowStepSequence getFlowStepSequence() {
      return this.initializedFlowStepSequence;
   }

   @Override
   public List<StepConfigForAuthenticationFlows> getSteps() {
      return this.steps;
   }

   @Override
   public FlowConditionConfig getCondition() {
      return this.condition;
   }

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

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

   @SuppressFBWarnings(justification = "generated code")
   public static class AdvancedMigrationSelectionOptionConfigBuilder {
      @SuppressFBWarnings(justification = "generated code")
      private String optionName;
      @SuppressFBWarnings(justification = "generated code")
      private ArrayList<StepConfigForAuthenticationFlows> steps;
      @SuppressFBWarnings(justification = "generated code")
      private FlowConditionConfig condition;

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

      @SuppressFBWarnings(justification = "generated code")
      public AdvancedMigrationSelectionOptionConfig.AdvancedMigrationSelectionOptionConfigBuilder optionName(String optionName) {
         this.optionName = optionName;
         return this;
      }

      @SuppressFBWarnings(justification = "generated code")
      public AdvancedMigrationSelectionOptionConfig.AdvancedMigrationSelectionOptionConfigBuilder step(StepConfigForAuthenticationFlows step) {
         if (this.steps == null) {
            this.steps = new ArrayList<>();
         }

         this.steps.add(step);
         return this;
      }

      @SuppressFBWarnings(justification = "generated code")
      public AdvancedMigrationSelectionOptionConfig.AdvancedMigrationSelectionOptionConfigBuilder steps(
         Collection<? extends StepConfigForAuthenticationFlows> steps
      ) {
         if (steps == null) {
            throw new NullPointerException("steps cannot be null");
         }

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

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

      @SuppressFBWarnings(justification = "generated code")
      public AdvancedMigrationSelectionOptionConfig.AdvancedMigrationSelectionOptionConfigBuilder clearSteps() {
         if (this.steps != null) {
            this.steps.clear();
         }

         return this;
      }

      @SuppressFBWarnings(justification = "generated code")
      public AdvancedMigrationSelectionOptionConfig.AdvancedMigrationSelectionOptionConfigBuilder condition(FlowConditionConfig condition) {
         this.condition = condition;
         return this;
      }

      @SuppressFBWarnings(justification = "generated code")
      public AdvancedMigrationSelectionOptionConfig build() {
         return new AdvancedMigrationSelectionOptionConfig(this.optionName, switch (this.steps == null ? 0 : this.steps.size()) {
            case 0 -> Collections.emptyList();
            case 1 -> Collections.singletonList(this.steps.get(0));
            default -> Collections.unmodifiableList(new ArrayList<>(this.steps));
         }, this.condition);
      }

      @SuppressFBWarnings(justification = "generated code")
      @Override
      public String toString() {
         return "AdvancedMigrationSelectionOptionConfig.AdvancedMigrationSelectionOptionConfigBuilder(optionName="
            + this.optionName
            + ", steps="
            + this.steps
            + ", condition="
            + this.condition
            + ")";
      }
   }
}