package com.kaidi.oa.web;

import com.kaidi.oa.common.ApiException;
import com.kaidi.oa.common.ApiResp;
import com.kaidi.oa.common.NotFoundException;
import com.kaidi.oa.domain.SupervisionLog;
import com.kaidi.oa.repository.SupervisionLogRepository;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.time.Instant;
import java.util.List;

/**
 * Engineering supervision center (工程监理) supervision logs. logType is one of
 * 旁站 / 巡视 / 平行检验 / 监理通知 / 计量支付; handleStatus is one of 待处理 /
 * 处理中 / 已闭环, defaulting to 待处理 on create.
 */
@RestController
@RequestMapping("/api/oa/supervision-logs")
public class SupervisionLogController {

    private final SupervisionLogRepository logRepo;

    public SupervisionLogController(SupervisionLogRepository logRepo) {
        this.logRepo = logRepo;
    }

    @GetMapping
    public ApiResp<List<SupervisionLog>> list(@RequestParam(required = false) String handleStatus) {
        List<SupervisionLog> list;
        if (handleStatus != null && !handleStatus.isBlank()) {
            list = logRepo.findByHandleStatus(handleStatus);
        } else {
            list = logRepo.findAll();
        }
        return ApiResp.ok(list);
    }

    @GetMapping("/{id}")
    public ApiResp<SupervisionLog> get(@PathVariable Long id) {
        return ApiResp.ok(logRepo.findById(id)
                .orElseThrow(() -> new NotFoundException("supervision log not found: " + id)));
    }

    public record CreateSupervisionLogRequest(
            String projectName, String logType, String content, String problem,
            String handleStatus, String supervisor, String logDate) {
    }

    @PostMapping
    public ApiResp<SupervisionLog> create(@RequestBody CreateSupervisionLogRequest req) {
        if (req.projectName() == null || req.projectName().isBlank()) {
            throw new ApiException(400, "projectName is required");
        }
        SupervisionLog l = new SupervisionLog();
        l.setProjectName(req.projectName());
        l.setLogType(req.logType());
        l.setContent(req.content());
        l.setProblem(req.problem());
        l.setHandleStatus(req.handleStatus() == null || req.handleStatus().isBlank()
                ? "待处理" : req.handleStatus());
        l.setSupervisor(req.supervisor());
        l.setLogDate(req.logDate());
        l.setCreatedAt(Instant.now());
        return ApiResp.ok(logRepo.save(l));
    }

    /** PUT /{id} -> 编辑监理记录; 只覆盖请求体里给出的字段。 */
    @PutMapping("/{id}")
    public ApiResp<SupervisionLog> update(@PathVariable Long id, @RequestBody CreateSupervisionLogRequest req) {
        SupervisionLog l = logRepo.findById(id)
                .orElseThrow(() -> new NotFoundException("supervision log not found: " + id));
        if (req.projectName() != null) {
            if (req.projectName().isBlank()) {
                throw new ApiException(400, "projectName is required");
            }
            l.setProjectName(req.projectName());
        }
        if (req.logType() != null) l.setLogType(req.logType());
        if (req.content() != null) l.setContent(req.content());
        if (req.problem() != null) l.setProblem(req.problem());
        if (req.handleStatus() != null && !req.handleStatus().isBlank()) l.setHandleStatus(req.handleStatus());
        if (req.supervisor() != null) l.setSupervisor(req.supervisor());
        if (req.logDate() != null) l.setLogDate(req.logDate());
        return ApiResp.ok(logRepo.save(l));
    }

    /** DELETE /{id} -> 删除监理记录。 */
    @DeleteMapping("/{id}")
    public ApiResp<Void> delete(@PathVariable Long id) {
        if (!logRepo.existsById(id)) {
            throw new NotFoundException("supervision log not found: " + id);
        }
        logRepo.deleteById(id);
        return ApiResp.ok(null);
    }
}