package cn.lihu.jh.module.ecg.controller.admin.external;

import cn.lihu.jh.framework.common.pojo.CommonResult;
import cn.lihu.jh.module.ecg.enums.ActionTypeEnum;
import cn.lihu.jh.module.ecg.service.appointment.AppointmentService;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import javax.annotation.security.PermitAll;
import javax.validation.constraints.NotEmpty;
import javax.validation.constraints.NotNull;
import java.util.Map;
import java.util.function.Consumer;

import static cn.lihu.jh.framework.common.exception.util.ServiceExceptionUtil.exception;
import static cn.lihu.jh.framework.common.pojo.CommonResult.success;
import static cn.lihu.jh.module.ecg.enums.ErrorCodeConstants.APPOINTMENT_CREATE_FAIL;

@Tag(name = "供第三方调用接口")
@RestController
@RequestMapping("/ecg/external")
@Validated
@Slf4j
public class ExternalController {

    @Resource
    private AppointmentService appointmentService;

    /**
     * 通用接口
     * <p>
     * 支持以下action类型：
     * - S0201ECG: 预约创建
     * - S0202ECG: 预约更新
     *
     * @param dataMap 请求数据
     * @param headers 请求头，必须包含action字段
     * @return 处理结果
     */
    @PermitAll
    @Operation(summary = "通用接口")
    @PostMapping("/generalInterface")
    public CommonResult<Boolean> generalInterface(
            @RequestBody @NotNull(message = "请求数据不能为空") Map<String, Object> dataMap,
            @RequestHeader @NotEmpty(message = "请求头不能为空") Map<String, String> headers) {
        log.info("[generalInterface][开始处理请求 action({}) dataMap({})]", headers.get("action"), dataMap);

        String actionType = headers.get("action");
        ActionTypeEnum action = ActionTypeEnum.getByType(actionType);
        if (action == null) {
            log.warn("[generalInterface][未知的action类型 action({})]", actionType);
            throw exception(APPOINTMENT_CREATE_FAIL);
        }

        try {
            // 使用策略模式处理不同的action
            Map<ActionTypeEnum, Consumer<Map<String, Object>>> actionHandlers = Map.of(
                    ActionTypeEnum.S0201ECG, appointmentService::handleAppointmentCreate,
                    ActionTypeEnum.S0202ECG, appointmentService::handleAppointmentUpdate,
                    ActionTypeEnum.S040501HIS, appointmentService::handleAppointmentStateUpdate,
                    ActionTypeEnum.S050401, appointmentService::handleCheckAppointmentUpdate,
                    ActionTypeEnum.S050501, appointmentService::handleCheckAppointmentUpdate
            );

            Consumer<Map<String, Object>> handler = actionHandlers.get(action);
            if (handler == null) {
                throw exception(APPOINTMENT_CREATE_FAIL);
            }

            handler.accept(dataMap);
            return success(true);
        } catch (Exception e) {
            throw exception(APPOINTMENT_CREATE_FAIL);
        }
    }
}