package com.elumen.jpa.workflow.course;

import com.elumen.dto.course.AdditionalSystemFieldDto;
import com.elumen.jpa.converters.JsonElementConverter;
import com.elumen.jpa.converters.workflow.course.AdditionalSystemFieldValueConverter;
import com.elumen.jpa.user.Role;
import com.elumen.jpa.user.Subrole;
import com.elumen.jpa.user.User;
import com.elumen.services.curriculum.domain.CourseDTO;
import com.google.gson.Gson;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.annotations.Expose;
import org.apache.commons.lang3.StringUtils;

import javax.persistence.Column;
import javax.persistence.Convert;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.OneToOne;
import javax.persistence.Table;
import javax.persistence.Transient;
import java.util.Date;
import java.util.List;
import java.util.UUID;

/**
 * @author Augusto Amarilla
 * @since 6.5
 */

@Entity
@Table(name = "course_workflow_json_history")
public class CourseWorkflowJsonHistory {

    public static final String JSONLATESTVERSION = "1.7";

    @Id
    @Expose
    @GeneratedValue(strategy = GenerationType.AUTO)
    @Column(name = "course_workflow_json_history_id")
    private Integer courseWorkflowJsonHistoryId;

    @Expose
    @Column(name = "author_user_id")
    private Integer authorUserId;

    @OneToOne
    @Expose
    @JoinColumn(name = "author_user_id", insertable = false, updatable = false)
    private User authorUser;

    @Expose
    @Column(name = "author_role_id")
    private Integer authorRoleId;

    @OneToOne
    @Expose
    @JoinColumn(name = "author_role_id", insertable = false, updatable = false)
    private Role authorRole;

    @Expose
    @Column(name = "author_subrole_id")
    private Integer authorSubroleId;

    @OneToOne
    @Expose
    @JoinColumn(name = "author_subrole_id", insertable = false, updatable = false)
    private Subrole authorSubrole;

    @Expose
    @Column(name = "json_object_id")
    private String jsonObjectId;

    @Expose
    @Column(name = "lst_mod_date")
    private Date lastModificationDate;

    @Expose
    @Column(name = "json_data")
    @Convert(converter = JsonElementConverter.class)
    private JsonElement jsonData;

    @Expose
    @Column(name = "json_data",insertable = false,updatable = false)
    @Convert(converter = CourseDtoConverter.class)
    private CourseDTO courseDto;

    @Expose
    @Column(name = "workflow_type")
    private String workflowType;

    @Expose
    @Column(name = "parent_json_object_id")
    private String parentJsonObjectId;

    @Expose
    @Column(name = "workflow_uuid")
    private String workflowUUID;

    @Expose
    @Column(name = "chair_report_id")
    private Integer chairReportId;

    @Expose
    @Column(name = "done")
    private Boolean done = false;

    @Expose
    @Column(name = "template_id")
    private Integer templateId;

    @Expose
    @Column(name = "committee_approval_date")
    private Date committeeApprovalDate;

    @Expose
    @Column(name = "org_id")
    private Long orgId;

    @Expose
    @Column(name = "code")
    private String code;

    @Expose
    @Column(name = "name")
    private String name;

    @Column(name = "additional_system_field")
    @Convert(converter = AdditionalSystemFieldValueConverter.class)
    private AdditionalSystemFieldWrapper additionalSystemFieldWrapper;


    @Transient
    @Expose
    private List<AdditionalSystemFieldDto> additionalSystemFieldList;


    public CourseWorkflowJsonHistory() {
        //Empty constructor
        this.additionalSystemFieldList = additionalSystemFieldWrapper.getAdditionalSystemFieldDtoList();
    }

    /**
     * <p>Constructs an instance of {@link CourseWorkflowJsonHistory}</p>
     * <p>The {@code jsonObjectId} is generated concatenating a new random UUID and the current date in milliseconds</p>
     * <p>If the {@code lastModificationDate} is {@link null} the current date is used ({@code new Date()})</p>
     *
     * @param userId               User ID
     * @param roleId               Role ID
     * @param subroleId            Subrole ID
     * @param lastModificationDate Last Modification Date
     * @param jsonData             Course JsonData
     * @param workflowType         Workflow Type
     * @param parentJsonObjectId   Parent Json Object ID
     * @param tempalteId           Workflow Template Id
     * @param orgId                Id of the org entity for the base course
     * @param code                 code of the base course
     * @param name                 name of the base course
     */
    public CourseWorkflowJsonHistory(
            Integer userId,
            Integer roleId,
            Integer subroleId,
            Date lastModificationDate,
            JsonElement jsonData,
            String workflowType,
            String parentJsonObjectId,
            Integer tempalteId,
            Long orgId,
            String code,
            String name
    ) {
        this.jsonObjectId = UUID.randomUUID().toString() + new Date().getTime();
        this.authorUserId = userId;
        this.authorRoleId = roleId;
        if (subroleId != null && subroleId != 0) {
            this.authorSubroleId = subroleId;
        }
        if (lastModificationDate == null) {
            this.lastModificationDate = new Date();
        } else {
            this.lastModificationDate = lastModificationDate;
        }
        this.jsonData = jsonData;
        this.workflowType = workflowType;
        this.parentJsonObjectId = parentJsonObjectId;

        if (StringUtils.isBlank(parentJsonObjectId)) {
            this.parentJsonObjectId = this.jsonObjectId;
        } else {
            this.parentJsonObjectId = parentJsonObjectId;
        }
        this.templateId = tempalteId;
        this.orgId = orgId;
        this.code = code;
        this.name = name;
    }

    public Integer getCourseWorkflowJsonHistoryId() {
        return courseWorkflowJsonHistoryId;
    }

    public void setCourseWorkflowJsonHistoryId(Integer courseWorkflowJsonHistoryId) {
        this.courseWorkflowJsonHistoryId = courseWorkflowJsonHistoryId;
    }

    public Integer getAuthorUserId() {
        return authorUserId;
    }

    public void setAuthorUserId(Integer authorUserId) {
        this.authorUserId = authorUserId;
    }

    public User getAuthorUser() {
        return authorUser;
    }

    public void setAuthorUser(User authorUser) {
        this.authorUser = authorUser;
    }

    public Integer getAuthorRoleId() {
        return authorRoleId;
    }

    public void setAuthorRoleId(Integer authorRoleId) {
        this.authorRoleId = authorRoleId;
    }

    public Role getAuthorRole() {
        return authorRole;
    }

    public void setAuthorRole(Role authorRole) {
        this.authorRole = authorRole;
    }

    public Integer getAuthorSubroleId() {
        return authorSubroleId;
    }

    public void setAuthorSubroleId(Integer authorSubroleId) {
        this.authorSubroleId = authorSubroleId;
    }

    public Subrole getAuthorSubrole() {
        return authorSubrole;
    }

    public void setAuthorSubrole(Subrole authorSubrole) {
        this.authorSubrole = authorSubrole;
    }

    public String getJsonObjectId() {
        return jsonObjectId;
    }

    public void setJsonObjectId(String jsonObjectId) {
        this.jsonObjectId = jsonObjectId;
    }

    public Date getLastModificationDate() {
        return lastModificationDate;
    }

    public void setLastModificationDate(Date lastModificationDate) {
        this.lastModificationDate = lastModificationDate;
    }

    /**
     * Do not use this method. Use {@link CourseWorkflowJsonHistory#getJsonDataNormalized()}
     * @return json data
     * @deprecated Use {@link CourseWorkflowJsonHistory#getJsonDataNormalized()}
     */
    @Deprecated
    public JsonElement getJsonData() {
        return jsonData;
    }

    public void setJsonData(JsonElement jsonData) {
        this.jsonData = jsonData;
    }

    public String getWorkflowType() {
        return workflowType;
    }

    public void setWorkflowType(String workflowType) {
        this.workflowType = workflowType;
    }

    public String getParentJsonObjectId() {return parentJsonObjectId; }

    public void setParentJsonObjectId(String parentJsonObjectId) { this.parentJsonObjectId = parentJsonObjectId; }

    public Boolean getDone() {
        return done;
    }

    public void setDone(Boolean done) {
        this.done = done;
    }

    public Integer getTemplateId() {
        return templateId;
    }

    public void setTemplateId(Integer templateId) {
        this.templateId = templateId;
    }

    /**
     * @return An UUID object from the string field stored in database,
     * if no string stored null is returned
     */
    public UUID getWorkflowUUID() {
        if (StringUtils.isNotBlank(workflowUUID)) {
            return UUID.fromString(this.workflowUUID);
        } else {
            return null;
        }
    }

    /**
     * @param workflowUUID is an UUID object that if not null will be
     *                     represented as string and store that representation in the
     *                     Bean property
     */
    public void setWorkflowUUID(UUID workflowUUID) {
        if (workflowUUID != null) {
            this.workflowUUID = workflowUUID.toString();
        } else {
            this.workflowUUID = null;
        }
    }

    public JsonElement getJsonDataNormalized() {
        if (jsonData == null) {
            return null;
        }
        JsonObject data = jsonData.getAsJsonObject();
        if (data.has("version") && JSONLATESTVERSION.equals(data.get("version").getAsString())) {
            return jsonData;
        } else {
            CourseWorkflowJsonUpdateService updateService = new CourseWorkflowJsonUpdateService();
            return updateService.getAsLatest(data);
        }
    }

    // Adding no sonar since it's auto-generated code
    @Override
    public boolean equals(Object o) {//NOSONAR
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        CourseWorkflowJsonHistory that = (CourseWorkflowJsonHistory) o;

        if (!courseWorkflowJsonHistoryId.equals(that.courseWorkflowJsonHistoryId)) {
            return false;
        }
        if (!authorUserId.equals(that.authorUserId)) {
            return false;
        }
        if (authorUser != null ? !authorUser.equals(that.authorUser) : (that.authorUser != null)) {
            return false;
        }
        if (!authorRoleId.equals(that.authorRoleId)) {
            return false;
        }
        if (authorRole != null ? !authorRole.equals(that.authorRole) : (that.authorRole != null)) {
            return false;
        }
        if (authorSubroleId != null ? !authorSubroleId.equals(that.authorSubroleId) : (that.authorSubroleId != null)) {
            return false;
        }
        if (authorSubrole != null ? !authorSubrole.equals(that.authorSubrole) : (that.authorSubrole != null)) {
            return false;
        }
        if (!jsonObjectId.equals(that.jsonObjectId)) {
            return false;
        }
        if (!lastModificationDate.equals(that.lastModificationDate)) {
            return false;
        }
        if (!jsonData.equals(that.jsonData)) {
            return false;
        }

        return true;
    }

    @Override
    public int hashCode() {
        int result = courseWorkflowJsonHistoryId.hashCode();
        result = 31 * result + authorUserId.hashCode();
        result = 31 * result + (authorUser != null ? authorUser.hashCode() : 0);
        result = 31 * result + authorRoleId.hashCode();
        result = 31 * result + (authorRole != null ? authorRole.hashCode() : 0);
        result = 31 * result + (authorSubroleId != null ? authorSubroleId.hashCode() : 0);
        result = 31 * result + (authorSubrole != null ? authorSubrole.hashCode() : 0);
        result = 31 * result + jsonObjectId.hashCode();
        result = 31 * result + lastModificationDate.hashCode();
        result = 31 * result + jsonData.hashCode();
        return result;
    }

    /**
     * Performs a clone of the object returning a new instance of it
     *
     * @return Cloned CourseWorkflowJsonHistory without Id
     */
    public CourseWorkflowJsonHistory copyNoId() {
        CourseWorkflowJsonHistory newHistory = new CourseWorkflowJsonHistory();
        Gson gson = new Gson();
        newHistory.setJsonData(gson.fromJson(gson.toJson(jsonData, JsonElement.class), JsonElement.class));
        newHistory.setLastModificationDate(lastModificationDate);
        newHistory.setAuthorRole(authorRole);
        newHistory.setAuthorRoleId(authorRoleId);
        newHistory.setAuthorSubrole(authorSubrole);
        newHistory.setAuthorSubroleId(authorSubroleId);
        newHistory.setJsonObjectId(jsonObjectId);
        newHistory.setParentJsonObjectId(parentJsonObjectId);
        newHistory.setWorkflowType(workflowType);
        newHistory.setAuthorUser(authorUser);
        newHistory.setAuthorUserId(authorUserId);
        newHistory.setChairReportId(chairReportId);
        newHistory.setTemplateId(templateId);
        newHistory.setDone(done);
        newHistory.setName(name);
        newHistory.setCode(code);
        newHistory.setOrgId(orgId);
        newHistory.setCommitteeApprovalDate(committeeApprovalDate);
        if (workflowUUID != null) {
            newHistory.setWorkflowUUID(UUID.fromString(workflowUUID));
        }else {
            newHistory.setWorkflowUUID(UUID.randomUUID());
        }


        return newHistory;
    }

    public Integer getChairReportId() {
        return chairReportId;
    }

    public void setChairReportId(Integer chairReportId) {
        this.chairReportId = chairReportId;
    }

    public Date getCommitteeApprovalDate() {
        return committeeApprovalDate;
    }

    public void setCommitteeApprovalDate(Date committeeApprovalDate) {
        this.committeeApprovalDate = committeeApprovalDate;
    }

    public Long getOrgId() {
        return orgId;
    }

    public void setOrgId(Long orgId) {
        this.orgId = orgId;
    }

    public String getCode() {
        return code;
    }

    public void setCode(String code) {
        this.code = code;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public CourseDTO getCourseDto() {
        return courseDto;
    }

    public void setCourseDto(CourseDTO courseDto) {
        this.courseDto = courseDto;
    }

    public List<AdditionalSystemFieldDto> getAdditionalSystemFieldList() {
        return additionalSystemFieldList;
    }

    public void setAdditionalSystemFieldList(List<AdditionalSystemFieldDto> additionalSystemFieldDtoList) {
        this.additionalSystemFieldWrapper = new AdditionalSystemFieldWrapper();
        this.additionalSystemFieldWrapper.setAdditionalSystemFieldDtoList(additionalSystemFieldDtoList);
    }


}