package api

import (
	"browser.local/platform/domain"
	"browser.local/platform/dto"
	"browser.local/platform/repo"
	"net/http"
	"strconv"
)

// serverGamePlayerState godoc
// @Summary Get current SCUM player state
// @Description Returns a version-scoped, browser-safe player-state snapshot; it never exposes a game database or raw storage fields.
// @Tags game-players
// @Produce json
// @Success 200 {object} dto.GamePlayerStateResponse
// @Router /api/v1/server-instances/{id}/game-players/{playerId}/state [get]
func (h *coreHandlers) serverGamePlayerState(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodGet {
		writeMethodNotAllowed(w, http.MethodGet)
		return
	}
	state, err := h.core.GetGamePlayerStateForSession(bearerToken(r), r.PathValue("playerId"))
	if err != nil {
		writeServiceError(w, err)
		return
	}
	if state.ServerInstanceID != r.PathValue("id") {
		writeServiceError(w, repo.ErrNotFound)
		return
	}
	writeJSON(w, http.StatusOK, dto.GamePlayerStateFromDomain(state))
}

// serverGamePlayerStatePatches godoc
// @Summary Request or list controlled SCUM player state patches
// @Description Creates reviewable skill/attribute patch requests only through the typed game-client bridge channel.
// @Tags game-players
// @Accept json
// @Produce json
// @Success 202 {object} dto.GamePlayerStatePatchResponse
// @Router /api/v1/server-instances/{id}/game-players/{playerId}/state-patches [get,post]
func (h *coreHandlers) serverGamePlayerStatePatches(w http.ResponseWriter, r *http.Request) {
	switch r.Method {
	case http.MethodGet:
		patches, err := h.core.ListGamePlayerStatePatchesForSession(bearerToken(r), r.PathValue("playerId"))
		if err != nil {
			writeServiceError(w, err)
			return
		}
		writeJSON(w, http.StatusOK, dto.GamePlayerStatePatchesFromDomain(patches))
	case http.MethodPost:
		request, err := decodeJSON[dto.GamePlayerStatePatchRequest](r)
		if err != nil {
			writeDecodeError(w, err)
			return
		}
		patch, err := h.core.RequestGamePlayerStatePatchForSession(bearerToken(r), r.PathValue("playerId"), request.ToDomain())
		if err != nil {
			writeServiceError(w, err)
			return
		}
		writeJSON(w, http.StatusAccepted, dto.GamePlayerStatePatchFromDomain(patch))
	default:
		writeAPIError(w, http.StatusMethodNotAllowed, errorCodeMethodNotAllowed, "method not allowed", nil)
	}
}

// serverGamePlayerStatePatchApprove godoc
// @Summary Approve a controlled SCUM player state patch
// @Description Requires a platform administrator with access to the target server and dispatches only the declared typed bridge command.
// @Tags game-players
// @Produce json
// @Success 202 {object} dto.GamePlayerStatePatchResponse
// @Router /api/v1/server-instances/{id}/game-players/{playerId}/state-patches/{patchId}/approve [post]
func (h *coreHandlers) serverGamePlayerStatePatchApprove(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		writeMethodNotAllowed(w, http.MethodPost)
		return
	}
	patch, err := h.core.ApproveGamePlayerStatePatchForSession(bearerToken(r), r.PathValue("patchId"))
	if err != nil {
		writeServiceError(w, err)
		return
	}
	if patch.ServerInstanceID != r.PathValue("id") || patch.GamePlayerRecordID != r.PathValue("playerId") {
		writeServiceError(w, repo.ErrNotFound)
		return
	}
	writeJSON(w, http.StatusAccepted, dto.GamePlayerStatePatchFromDomain(patch))
}

// serverGamePlayers godoc
// @Summary List server-local game players
// @Description Returns privacy-safe SCUM game player records visible to the current server operator.
// @Tags game-players
// @Produce json
// @Success 200 {object} dto.GamePlayerListResponse
// @Failure 401 {object} dto.ErrorResponse
// @Failure 403 {object} dto.ErrorResponse
// @Router /api/v1/server-instances/{id}/game-players [get]
func (h *coreHandlers) serverGamePlayers(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodGet {
		writeMethodNotAllowed(w, http.MethodGet)
		return
	}
	limit, _ := strconv.Atoi(r.URL.Query().Get("limit"))
	values, err := h.core.ListGamePlayersForSession(bearerToken(r), domain.GamePlayerFilter{ServerInstanceID: r.PathValue("id"), Search: r.URL.Query().Get("search"), Limit: limit})
	if err != nil {
		writeServiceError(w, err)
		return
	}
	writeJSON(w, http.StatusOK, dto.GamePlayerListFromDomain(values))
}

// serverGamePlayerDetail godoc
// @Summary Get server-local game player profile
// @Description Returns aliases, session trajectory, access attempts, and manual-review signals without network identifiers.
// @Tags game-players
// @Produce json
// @Success 200 {object} dto.GamePlayerProfileResponse
// @Failure 404 {object} dto.ErrorResponse
// @Router /api/v1/server-instances/{id}/game-players/{playerId} [get]
func (h *coreHandlers) serverGamePlayerDetail(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodGet {
		writeMethodNotAllowed(w, http.MethodGet)
		return
	}
	value, err := h.core.GetGamePlayerProfileForSession(bearerToken(r), r.PathValue("playerId"))
	if err != nil {
		writeServiceError(w, err)
		return
	}
	if value.Player.ServerInstanceID != r.PathValue("id") {
		writeServiceError(w, repo.ErrNotFound)
		return
	}
	writeJSON(w, http.StatusOK, dto.GamePlayerProfileFromDomain(value))
}