package service

import (
	"context"

	infraerrors "github.com/Wei-Shaw/sub2api/internal/pkg/errors"
	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
)

var (
	ErrProxyNotFound = infraerrors.NotFound("PROXY_NOT_FOUND", "proxy not found")
	ErrProxyInUse    = infraerrors.Conflict("PROXY_IN_USE", "proxy is in use by accounts")
)

// ProxyRepository defines the shared proxy persistence contract used across
// admin management and OAuth-related services.
type ProxyRepository interface {
	Create(ctx context.Context, proxy *Proxy) error
	GetByID(ctx context.Context, id int64) (*Proxy, error)
	ListByIDs(ctx context.Context, ids []int64) ([]Proxy, error)
	Update(ctx context.Context, proxy *Proxy) error
	Delete(ctx context.Context, id int64) error

	List(ctx context.Context, params pagination.PaginationParams) ([]Proxy, *pagination.PaginationResult, error)
	ListWithFilters(ctx context.Context, params pagination.PaginationParams, protocol, status, search string) ([]Proxy, *pagination.PaginationResult, error)
	ListWithFiltersAndAccountCount(ctx context.Context, params pagination.PaginationParams, protocol, status, search string) ([]ProxyWithAccountCount, *pagination.PaginationResult, error)
	ListActive(ctx context.Context) ([]Proxy, error)
	ListActiveWithAccountCount(ctx context.Context) ([]ProxyWithAccountCount, error)

	ExistsByHostPortAuth(ctx context.Context, host string, port int, username, password string) (bool, error)
	CountAccountsByProxyID(ctx context.Context, proxyID int64) (int64, error)
	ListAccountSummariesByProxyID(ctx context.Context, proxyID int64) ([]ProxyAccountSummary, error)
}