package httpapi

import (
	"net/http"

	"github.com/easyai/easyai-ai-gateway/apps/api/internal/auth"
	"github.com/easyai/easyai-ai-gateway/apps/api/internal/store"
)

// getWallet godoc
// @Summary 获取钱包摘要
// @Description 返回当前用户的钱包账户、余额和最近消费摘要，可按 currency 过滤。
// @Tags wallet
// @Produce json
// @Security BearerAuth
// @Param currency query string false "币种" default(USD)
// @Success 200 {object} store.WalletSummary
// @Failure 401 {object} ErrorEnvelope
// @Failure 500 {object} ErrorEnvelope
// @Router /api/workspace/wallet [get]
func (s *Server) getWallet(w http.ResponseWriter, r *http.Request) {
	user, ok := auth.UserFromContext(r.Context())
	if !ok {
		writeError(w, http.StatusUnauthorized, "unauthorized")
		return
	}
	summary, err := s.store.GetWalletSummary(r.Context(), user, r.URL.Query().Get("currency"))
	if err != nil {
		s.logger.Error("get wallet failed", "error", err)
		writeError(w, http.StatusInternalServerError, "get wallet failed")
		return
	}
	writeJSON(w, http.StatusOK, summary)
}

// listWalletTransactions godoc
// @Summary 列出钱包交易
// @Description 返回当前用户的钱包交易流水，支持关键字、方向、交易类型、时间范围和分页过滤。
// @Tags wallet
// @Produce json
// @Security BearerAuth
// @Param q query string false "搜索关键字，别名 query"
// @Param direction query string false "交易方向"
// @Param transactionType query string false "交易类型"
// @Param createdFrom query string false "创建时间起点，别名 from"
// @Param createdTo query string false "创建时间终点，别名 to"
// @Param page query int false "页码" default(1)
// @Param pageSize query int false "每页数量，别名 limit" default(50)
// @Success 200 {object} WalletTransactionListResponse
// @Failure 400 {object} ErrorEnvelope
// @Failure 401 {object} ErrorEnvelope
// @Failure 500 {object} ErrorEnvelope
// @Router /api/workspace/wallet/transactions [get]
func (s *Server) listWalletTransactions(w http.ResponseWriter, r *http.Request) {
	user, ok := auth.UserFromContext(r.Context())
	if !ok {
		writeError(w, http.StatusUnauthorized, "unauthorized")
		return
	}
	query := r.URL.Query()
	page, err := positiveQueryInt(query.Get("page"), 1)
	if err != nil {
		writeError(w, http.StatusBadRequest, "invalid page")
		return
	}
	pageSizeRaw := query.Get("pageSize")
	if pageSizeRaw == "" {
		pageSizeRaw = query.Get("limit")
	}
	pageSize, err := positiveQueryInt(pageSizeRaw, 50)
	if err != nil {
		writeError(w, http.StatusBadRequest, "invalid pageSize")
		return
	}
	createdFrom, err := parseTaskListTime(query.Get("createdFrom"), query.Get("from"))
	if err != nil {
		writeError(w, http.StatusBadRequest, "invalid createdFrom")
		return
	}
	createdTo, err := parseTaskListTime(query.Get("createdTo"), query.Get("to"))
	if err != nil {
		writeError(w, http.StatusBadRequest, "invalid createdTo")
		return
	}
	result, err := s.store.ListWalletTransactions(r.Context(), user, store.WalletTransactionListFilter{
		Query:           firstNonEmpty(query.Get("q"), query.Get("query")),
		Direction:       query.Get("direction"),
		TransactionType: query.Get("transactionType"),
		CreatedFrom:     createdFrom,
		CreatedTo:       createdTo,
		Page:            page,
		PageSize:        pageSize,
	})
	if err != nil {
		s.logger.Error("list wallet transactions failed", "error", err)
		writeError(w, http.StatusInternalServerError, "list wallet transactions failed")
		return
	}
	writeJSON(w, http.StatusOK, map[string]any{
		"items":    result.Items,
		"total":    result.Total,
		"page":     result.Page,
		"pageSize": result.PageSize,
	})
}