package dto

import (
	"base/pkg/validation"
	"github.com/google/uuid"
)

type CreateAssetRequest struct {
	ProfileID       string `json:"profile_id"`
	AssetCategoryID  string `json:"asset_category_id"`
	Title           string `json:"title"`
	Description     string `json:"description"`
	Link            string `json:"link"`
}

func (*CreateAssetRequest) Schema() validation.Schema {
	return validation.Schema{
		"profile_id":       validation.Rule{Field: "profile_id", Type: validation.ValidationTypeString, Required: true},
		"asset_category_id": validation.Rule{Field: "asset_category_id", Type: validation.ValidationTypeString, Required: true},
		"title":            validation.Rule{Field: "title", Type: validation.ValidationTypeString, Required: true},
	}
}

type UpdateAssetRequest struct {
	ID              string `uri:"id"`
	AssetCategoryID string `json:"asset_category_id"`
	Title           string `json:"title"`
	Description     string `json:"description"`
	Link            string `json:"link"`
	Status          *int   `json:"status"`
}

func (*UpdateAssetRequest) Schema() validation.Schema {
	return validation.Schema{
		"id": validation.Rule{Field: "id", Type: validation.ValidationTypeString, Required: true},
	}
}

type GetAssetRequest struct {
	ID string `uri:"id"`
}

func (*GetAssetRequest) Schema() validation.Schema {
	return validation.Schema{
		"id": validation.Rule{Field: "id", Type: validation.ValidationTypeString, Required: true},
	}
}

type ListAssetsByProfileRequest struct {
	ProfileID string `uri:"id"`
}

func (*ListAssetsByProfileRequest) Schema() validation.Schema {
	return validation.Schema{
		"ProfileID": validation.Rule{Field: "profile_id", Type: validation.ValidationTypeString, Required: true},
	}
}

type DeleteAssetRequest struct {
	ID string `uri:"id"`
}

func (*DeleteAssetRequest) Schema() validation.Schema {
	return validation.Schema{
		"id": validation.Rule{Field: "id", Type: validation.ValidationTypeString, Required: true},
	}
}

type AssetResponse struct {
	ID              uuid.UUID   `json:"id"`
	ProfileID       uuid.UUID   `json:"profile_id"`
	OwnerID         *uuid.UUID  `json:"owner_id,omitempty"`
	AssetCategoryID uuid.UUID   `json:"asset_category_id"`
	Title           string      `json:"title"`
	Description     string      `json:"description"`
	Link            string      `json:"link"`
	CoverImage      string      `json:"cover_image,omitempty"`
	Status          int         `json:"status"`
	Category        CategoryDTO `json:"category"`
	CreatedAt       string      `json:"created_at"`
	UpdatedAt       string      `json:"updated_at"`
}

type CategoryDTO struct {
	ID          uuid.UUID `json:"id"`
	Name        string    `json:"name"`
	Icon        string    `json:"icon"`
	Color       string    `json:"color"`
	CardType    string    `json:"card_type"`
	Featured    bool      `json:"featured"`
	Description string    `json:"description"`
}

type ListAssetsResponse struct {
	Assets []AssetResponse `json:"assets"`
}

// ListAssetsByCategoryIDResponse is paginated assets for a single category (Phase 2 of two-phase loading).
type ListAssetsByCategoryIDResponse struct {
	Category   CategoryDTO    `json:"category"`
	Assets     []AssetResponse `json:"assets"`
	Total      int            `json:"total"`
	Page       int            `json:"page"`
	PageSize   int            `json:"page_size"`
	TotalPages int            `json:"total_pages"`
}

type ListCategoriesResponse struct {
	Categories []CategoryDTO `json:"categories"`
}

// CategoriesPreviewRequest holds the request body for POST /assets/categories/preview.
type CategoriesPreviewRequest struct {
	CategoryIDs       []string `json:"category_ids"`
	AssetsPerCategory int      `json:"assets_per_category"`
	FeaturedOnly      bool     `json:"featured_only"`
}

func (*CategoriesPreviewRequest) Schema() validation.Schema {
	return validation.Schema{
		"category_ids":        validation.Rule{Field: "category_ids", Type: validation.ValidationTypeArray, Required: false},
		"assets_per_category": validation.Rule{Field: "assets_per_category", Type: validation.ValidationTypeInt, Required: false},
		"featured_only":       validation.Rule{Field: "featured_only", Type: validation.ValidationTypeBool, Required: false},
	}
}

// CategoryWithPreviewAssetsDTO groups a category with up to N sample assets.
type CategoryWithPreviewAssetsDTO struct {
	Category    CategoryDTO     `json:"category"`
	Assets      []AssetResponse `json:"assets"`
	TotalAssets int             `json:"total_assets,omitempty"`
	HasMore     bool            `json:"has_more,omitempty"`
}

// CategoriesPreviewResponse is the response for POST /assets/categories/preview.
type CategoriesPreviewResponse struct {
	Categories []CategoryWithPreviewAssetsDTO `json:"categories"`
}