declare namespace Api {
  /**
   * namespace Project
   *
   * backend api module: "project/project"
   */
  namespace Project {
    /** 项目状态编码 */
    type ProjectStatusCode = 'pending' | 'active' | 'paused' | 'completed' | 'cancelled' | 'archived';

    /** 项目状态动作编码 */
    type ProjectStatusActionCode = 'auto_start' | 'pause' | 'resume' | 'complete' | 'cancel' | 'reopen' | 'archive';

    /** 项目设置基础信息 */
    interface ProjectSettingBaseInfo {
      /** 项目 ID */
      id: string;
      /** 项目编码 */
      projectCode: string;
      /** 项目名称 */
      projectName: string;
      /** 项目方向字典值 */
      directionCode: string;
      /** 项目类型字典值 */
      projectType: string;
      /** 所属产品 ID */
      productId: string | null;
      /** 所属产品名称 */
      productName: string | null;
      /** 项目负责人用户昵称 */
      managerUserNickname: string | null;
      /** 项目负责人用户 ID */
      managerUserId: string | null;
      /** 项目状态编码 */
      statusCode: ProjectStatusCode;
      /** 计划开始日期 */
      plannedStartDate: string | null;
      /** 计划结束日期 */
      plannedEndDate: string | null;
      /** 实际开始日期 */
      actualStartDate: string | null;
      /** 实际结束日期 */
      actualEndDate: string | null;
      /** 项目说明 */
      projectDesc: string | null;
      /** 最近一次状态动作原因 */
      lastStatusReason: string | null;
    }

    /** 项目生命周期动作 */
    interface ProjectLifecycleAction {
      actionCode: Exclude<ProjectStatusActionCode, 'auto_start'>;
      actionName: string;
      needReason: boolean;
    }

    /** 项目生命周期信息 */
    interface ProjectLifecycleInfo {
      statusCode: ProjectStatusCode;
      lastStatusReason: string | null;
      availableActions: ProjectLifecycleAction[];
    }

    /** 执行状态编码 */
    type ProjectExecutionStatusCode = 'pending' | 'active' | 'paused' | 'completed' | 'cancelled';

    /** 执行动作编码 */
    type ProjectExecutionActionCode = 'start' | 'pause' | 'resume' | 'cancel';

    /** 任务状态编码 */
    type ProjectTaskStatusCode = 'pending' | 'active' | 'blocked' | 'completed' | 'cancelled';

    /** 任务动作编码 */
    type ProjectTaskActionCode = 'start' | 'block' | 'resume' | 'complete' | 'cancel';

    interface LifecycleAction<ActionCode extends string = string> {
      actionCode: ActionCode;
      actionName: string;
      needReason: boolean;
    }

    interface StatusBoardItem {
      statusCode: string;
      statusName: string;
      count: number;
      sort: number;
      terminal?: boolean;
    }

    interface StatusBoard {
      total: number;
      items: StatusBoardItem[];
    }

    interface ProjectExecution {
      id: string;
      projectId: string;
      projectRequirementId: string | null;
      executionName: string;
      executionType: string | null;
      ownerId: string;
      ownerNickname?: string | null;
      statusCode: ProjectExecutionStatusCode;
      statusName: string | null;
      terminal: boolean;
      allowEdit: boolean;
      availableActions: LifecycleAction<ProjectExecutionActionCode>[];
      plannedStartDate: string | null;
      plannedEndDate: string | null;
      actualStartDate: string | null;
      actualEndDate: string | null;
      progressRate: number;
      executionDesc: string | null;
      lastStatusReason: string | null;
      createTime: string;
      updateTime: string;
    }

    interface ExecutionMember {
      id: string;
      executionId: string;
      userId: string;
      userNickname?: string | null;
      joinedAt: string | null;
      removedAt: string | null;
      removedReason: string | null;
    }

    /** 执行成员变更事件类型 */
    type ExecutionMemberActionType = 'join' | 'inactive' | 'owner_transfer_in' | 'owner_transfer_out';

    /** 执行成员变更历史 */
    interface ExecutionMemberLog {
      id: string;
      executionId: string;
      actionType: ExecutionMemberActionType;
      userId: string;
      userNicknameSnapshot: string | null;
      operatorUserId: string;
      operatorNicknameSnapshot: string | null;
      actionTime: string;
      reason: string | null;
    }

    type ExecutionMemberLogSearchParams = CommonType.RecordNullable<
      Pick<PageParams, 'pageNo' | 'pageSize'> & {
        actionTypes: ExecutionMemberActionType[];
        userId: string;
        startTime: string;
        endTime: string;
      }
    >;

    interface ProjectTask {
      id: string;
      projectId: string;
      executionId: string;
      parentTaskId: string | null;
      taskTitle: string;
      ownerId: string;
      ownerNickname?: string | null;
      statusCode: ProjectTaskStatusCode;
      statusName: string | null;
      terminal: boolean;
      allowEdit: boolean;
      availableActions: LifecycleAction<ProjectTaskActionCode>[];
      progressRate: number;
      plannedStartDate: string | null;
      plannedEndDate: string | null;
      actualStartDate: string | null;
      actualEndDate: string | null;
      taskDesc: string | null;
      lastStatusReason: string | null;
      createTime: string;
      updateTime: string;
    }

    type ProjectExecutionSearchParams = CommonType.RecordNullable<
      Pick<PageParams, 'pageNo' | 'pageSize'> & {
        keyword: string;
        executionType: string;
        ownerId: string;
        statusCode: string;
        updateTime: string[];
      }
    >;

    type ProjectExecutionStatusBoardParams = CommonType.RecordNullable<{
      keyword: string;
      executionType: string;
      ownerId: string;
      updateTime: string[];
    }>;

    interface SaveProjectExecutionParams {
      executionName: string;
      executionType: string;
      ownerId: string;
      projectRequirementId: string | null;
      plannedStartDate: string | null;
      plannedEndDate: string | null;
      executionDesc: string | null;
      memberUserIds?: string[];
    }

    interface ChangeExecutionOwnerParams {
      newOwnerId: string;
      reason: string | null;
    }

    interface ChangeExecutionStatusParams {
      actionCode: ProjectExecutionActionCode;
      reason: string | null;
    }

    interface CreateExecutionMemberParams {
      userId: string;
    }

    interface InactiveExecutionMemberParams {
      reason: string;
    }

    type ProjectTaskSearchParams = CommonType.RecordNullable<
      Pick<PageParams, 'pageNo' | 'pageSize'> & {
        keyword: string;
        parentTaskId: string;
        ownerId: string;
        statusCode: string;
        updateTime: string[];
      }
    >;

    type ProjectTaskStatusBoardParams = CommonType.RecordNullable<{
      keyword: string;
      parentTaskId: string;
      ownerId: string;
      updateTime: string[];
    }>;

    interface SaveProjectTaskParams {
      parentTaskId: string | null;
      taskTitle: string;
      ownerId: string | null;
      progressRate?: number;
      plannedStartDate: string | null;
      plannedEndDate: string | null;
      taskDesc: string | null;
      /** 仅创建任务时生效，编辑接口静默忽略；userId 必须是当前有效执行成员且不能等于 ownerId */
      assigneeUserIds?: string[];
    }

    interface ChangeTaskStatusParams {
      actionCode: ProjectTaskActionCode;
      reason: string | null;
    }

    /** 项目设置参数 */
    interface ProjectSettings {
      baseInfo: ProjectSettingBaseInfo;
      lifecycle: ProjectLifecycleInfo;
    }

    /** 项目设置基础信息参数 */
    interface UpdateProjectSettingBaseInfoParams {
      projectName: string;
      directionCode: string;
      projectType: string;
      plannedStartDate: string | null;
      plannedEndDate: string | null;
      projectDesc: string | null;
    }

    /** 项目成员状态 */
    type ProjectMemberStatus = 0 | 1;

    interface PageParams {
      pageNo: number;
      pageSize: number;
    }

    interface PageResult<T = any> {
      total: number;
      list: T[];
    }

    /** 项目入口页概览统计 */
    interface ProjectOverviewSummary {
      /** 项目状态数量映射，key 为后端状态编码 */
      statusCounts: Record<string, number>;
    }

    interface Project {
      /** 项目 ID */
      id: string;
      /** 项目编码 */
      projectCode: string;
      /** 项目名称 */
      projectName: string;
      /** 项目方向字典值 */
      directionCode: string;
      /** 项目类型字典值 */
      projectType: string;
      /** 所属产品 ID */
      productId: string | null;
      /** 所属产品名称 */
      productName?: string | null;
      /** 项目负责人用户 ID */
      managerUserId: string;
      /** 项目负责人用户昵称 */
      managerUserNickname?: string | null;
      /** 项目状态编码 */
      statusCode: ProjectStatusCode;
      /** 计划开始日期 */
      plannedStartDate: string | null;
      /** 计划结束日期 */
      plannedEndDate: string | null;
      /** 实际开始日期 */
      actualStartDate: string | null;
      /** 实际结束日期 */
      actualEndDate: string | null;
      /** 进度百分比 */
      progressRate: number;
      /** 项目说明 */
      projectDesc: string | null;
      /** 最近一次状态动作原因 */
      lastStatusReason: string | null;
      /** 创建时间 */
      createTime: string;
      /** 更新时间 */
      updateTime: string;
    }

    interface ProjectContext {
      currentProject: {
        id: string;
        projectCode: string;
        projectName: string;
        projectType: string;
        productId: string | null;
        managerUserId: string;
        statusCode: ProjectStatusCode;
      };
      currentRole: {
        roleId: string | null;
        roleCode: string | null;
        roleName: string | null;
        guestFlag: boolean;
      };
      navs: Array<{
        id: string;
        name: string;
        path: string;
        icon: string;
        sort: number;
      }>;
      buttons: string[];
    }

    interface ProjectMember {
      /** 成员关系 ID */
      id: string;
      /** 用户 ID */
      userId: string;
      /** 用户昵称 */
      userNickname: string;
      /** 角色 ID */
      roleId: string;
      /** 角色名称 */
      roleName: string;
      /** 角色编码 */
      roleCode: string;
      /** 是否项目负责人 */
      managerFlag: boolean;
      /** 成员状态 */
      status: ProjectMemberStatus;
      /** 加入时间 */
      joinedTime: string;
      /** 退出时间 */
      leftTime: string | null;
      /** 备注 */
      remark: string | null;
    }

    /** 项目搜索参数 */
    type ProjectSearchParams = CommonType.RecordNullable<
      Pick<PageParams, 'pageNo' | 'pageSize'> & {
        keyword: string;
        directionCode: string;
        projectType: string;
        productId: string;
        managerUserId: string;
        statusCode: ProjectStatusCode;
        updateTime: string[];
      }
    >;

    /** 创建/保存项目参数 */
    type SaveProjectParams = Pick<Project, 'projectName' | 'directionCode' | 'projectType' | 'projectDesc'> & {
      projectCode: string | null;
      productId: string | null;
      managerUserId: string;
      plannedStartDate: string | null;
      plannedEndDate: string | null;
      actualStartDate?: string | null;
      actualEndDate?: string | null;
    };

    /** 更新项目参数 */
    type UpdateProjectParams = { id: string } & SaveProjectParams;

    /** 变更项目状态参数 */
    interface ChangeProjectStatusParams {
      id: string;
      actionCode: ProjectStatusActionCode;
      reason: string | null;
    }

    /** 删除项目参数 */
    interface DeleteProjectParams {
      id: string;
      projectName: string;
      confirmText: string;
      reason: string;
    }

    /** 创建项目成员参数 */
    interface CreateProjectMemberParams {
      userId: string;
      roleId: string;
      remark: string | null;
      previousManagerUserId?: string | null;
      previousManagerRoleId?: string | null;
    }

    /** 更新项目成员参数 */
    interface UpdateProjectMemberParams {
      roleId: string;
      reason: string | null;
      remark: string | null;
      previousManagerUserId?: string | null;
      previousManagerRoleId?: string | null;
    }

    /** 移出项目成员参数 */
    interface InactiveProjectMemberParams {
      reason: string | null;
    }
  }
}