package tender_submission

import "tm/pkg/response"

// UpdateSubmissionStatusForm updates the workflow status of a tender submission.
type UpdateSubmissionStatusForm struct {
	Status      SubmissionStatus `json:"status" valid:"required,in(opportunity|validating|partner_pending|applying|sent_waiting|rejected|contract|not_applied)"`
	Reason      string           `json:"reason,omitempty" valid:"optional,length(0|500)"`
	Description string           `json:"description,omitempty" valid:"optional,length(0|1000)"`
}

// ListTenderSubmissionsForm filters company tender submissions.
type ListTenderSubmissionsForm struct {
	TenderID  *string  `query:"tender_id" valid:"optional"`
	CompanyID *string  `query:"company_id" valid:"optional"`
	Status    []string `query:"status" valid:"optional"`
	Stage     []string `query:"stage" valid:"optional"`
	From      *int64   `query:"created_from" valid:"optional"`
	To        *int64   `query:"created_to" valid:"optional"`
	Limit     *int     `query:"limit" valid:"optional,range(1|100)"`
	Offset    *int     `query:"offset" valid:"optional,range(0|1000000)"`
	SortBy    *string  `query:"sort_by" valid:"optional,in(created_at|updated_at|status|stage)"`
	SortOrder *string  `query:"sort_order" valid:"optional,in(asc|desc)"`
}

// TenderSubmissionResponse is the API response for a tender submission.
type TenderSubmissionResponse struct {
	ID         string                  `json:"id"`
	TenderID   string                  `json:"tender_id"`
	CompanyID  string                  `json:"company_id"`
	CustomerID string                  `json:"customer_id,omitempty"`
	Status     string                  `json:"status"`
	Stage      string                  `json:"stage"`
	History    []StatusHistoryResponse `json:"status_history"`
	CreatedAt  int64                   `json:"created_at"`
	UpdatedAt  int64                   `json:"updated_at"`
}

// StatusHistoryResponse is the API representation of a status change.
type StatusHistoryResponse struct {
	Status      string `json:"status"`
	Reason      string `json:"reason,omitempty"`
	ChangedBy   string `json:"changed_by"`
	ChangedAt   int64  `json:"changed_at"`
	Description string `json:"description,omitempty"`
}

// TenderSubmissionWithTenderResponse includes tender details.
type TenderSubmissionWithTenderResponse struct {
	TenderSubmissionResponse
	Tender *TenderDetails `json:"tender,omitempty"`
}

// TenderSubmissionListResponse is a paginated list of submissions with tender details.
type TenderSubmissionListResponse struct {
	Submissions []*TenderSubmissionWithTenderResponse `json:"submissions"`
	Metadata    *response.Meta                        `json:"metadata"`
}

// TenderDetails represents essential tender information for submission responses.
type TenderDetails struct {
	ID                  string                `json:"id"`
	NoticePublicationID string                `json:"notice_publication_id"`
	PublicationDate     int64                 `json:"publication_date"`
	Title               string                `json:"title"`
	Description         string                `json:"description"`
	ProcurementTypeCode string                `json:"procurement_type_code"`
	ProcedureCode       string                `json:"procedure_code"`
	EstimatedValue      float64               `json:"estimated_value"`
	Currency            string                `json:"currency"`
	Duration            string                `json:"duration"`
	DurationUnit        string                `json:"duration_unit"`
	TenderDeadline      int64                 `json:"tender_deadline"`
	SubmissionDeadline  int64                 `json:"submission_deadline"`
	CountryCode         string                `json:"country_code"`
	BuyerOrganization   *OrganizationResponse `json:"buyer_organization"`
	Status              string                `json:"status"`
}

// OrganizationResponse represents buyer organization info.
type OrganizationResponse struct {
	Name string `json:"name"`
}

// CompanySubmissionStatsResponse contains submission counts grouped by stage and status.
type CompanySubmissionStatsResponse struct {
	CompanyID     string           `json:"company_id"`
	Total         int64            `json:"total"`
	ByStage       map[string]int64 `json:"by_stage"`
	ByStatus      map[string]int64 `json:"by_status"`
	LastUpdated   int64            `json:"last_updated"`
}

// AdminSubmissionStatsResponse contains global submission statistics.
type AdminSubmissionStatsResponse struct {
	Total       int64            `json:"total"`
	ByStage     map[string]int64 `json:"by_stage"`
	ByStatus    map[string]int64 `json:"by_status"`
	LastUpdated int64            `json:"last_updated"`
}