package tender

import "tm/pkg/response"

// UpdateTenderRequest represents a request to update an existing tender
type UpdateTenderRequest struct {
	ID             string        `json:"id" valid:"required~Tender ID is required"`
	Title          *string       `json:"title,omitempty" valid:"stringlength(1|500)~Title must be between 1 and 500 characters"`
	Description    *string       `json:"description,omitempty" valid:"stringlength(0|5000)~Description must not exceed 5000 characters"`
	Status         *TenderStatus `json:"status,omitempty"`
	EstimatedValue *float64      `json:"estimated_value,omitempty" valid:"range(0|999999999999)~Estimated value must be between 0 and 999999999999"`
	Currency       *string       `json:"currency,omitempty" valid:"stringlength(3|3)~Currency must be 3 characters"`
	TenderDeadline *int64        `json:"tender_deadline,omitempty"` // Unix milliseconds
}

// SearchForm represents a request to list tenders with pagination and filtering
type SearchForm struct {
	Search              *string  `query:"q" valid:"optional"`
	NoticeType          *string  `query:"notice_type" valid:"optional"`
	ProcurementType     *string  `query:"procurement_type" valid:"optional"`
	CountryCodes        []string `query:"country_codes" valid:"optional"`
	RegionCodes         []string `query:"region_codes" valid:"optional"`
	CompanyID           *string  `query:"company_id" valid:"optional"`
	Status              []string `query:"status" valid:"optional"`
	Classifications     []string `query:"classifications" valid:"optional"`
	MinEstimatedValue   *float64 `query:"min_estimated_value" valid:"optional"`
	MaxEstimatedValue   *float64 `query:"max_estimated_value" valid:"optional"`
	Currency            string   `query:"currency" valid:"optional"`
	DeadlineFrom        *int64   `query:"deadline_from" valid:"optional"`
	DeadlineTo          *int64   `query:"deadline_to" valid:"optional"`
	PublicationDateFrom *int64   `query:"publication_date_from" valid:"optional"`
	PublicationDateTo   *int64   `query:"publication_date_to" valid:"optional"`
	Source              []string `query:"source" valid:"optional"`
	BuyerOrganizationID *string  `query:"buyer_organization_id" valid:"optional"`
	Languages           []string `query:"languages" valid:"optional"`
}

// SearchResponse represents the response for listing tenders
type SearchResponse struct {
	Tenders  []TenderResponse `json:"tenders"`
	Metadata *response.Meta   `json:"-"`
}

// TenderResponse represents a tender in API responses
type TenderResponse struct {
	ID                  string                `json:"id"`
	NoticePublicationID string                `json:"notice_publication_id"`
	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"`
	PublicationDate     int64                 `json:"publication_date"`
	TenderDeadline      int64                 `json:"tender_deadline"`
	SubmissionDeadline  int64                 `json:"submission_deadline"`
	ApplicationDeadline int64                 `json:"application_deadline"`
	SubmissionURL       string                `json:"submission_url"`
	CountryCode         string                `json:"country_code"`
	BuyerOrganization   *OrganizationResponse `json:"buyer_organization"`
	Status              TenderStatus          `json:"status"`
	TenderID            string                `json:"tender_id"`
}

type OrganizationResponse struct {
	Name string `json:"name"`
}

// ToTenderResponse converts a Tender entity to TenderResponse
func (t *Tender) ToResponse() *TenderResponse {
	response := &TenderResponse{
		ID:                  t.ID.Hex(),
		NoticePublicationID: t.NoticePublicationID,
		Title:               t.Title,
		Description:         t.Description,
		ProcurementTypeCode: t.ProcurementTypeCode,
		ProcedureCode:       t.ProcedureCode,
		EstimatedValue:      t.EstimatedValue,
		Currency:            t.Currency,
		Duration:            t.Duration,
		DurationUnit:        t.DurationUnit,
		PublicationDate:     t.PublicationDate,
		TenderDeadline:      t.TenderDeadline,
		SubmissionDeadline:  t.SubmissionDeadline,
		ApplicationDeadline: t.ApplicationDeadline,
		CountryCode:         t.CountryCode,
		SubmissionURL:       t.SubmissionURL,
		BuyerOrganization:   &OrganizationResponse{Name: t.BuyerOrganization.Name},
		Status:              t.Status,
		TenderID:            t.TenderID,
	}

	return response
}