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.DeclarationTemplate;
import com.kaidi.oa.repository.DeclarationTemplateRepository;
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.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;

/**
 * Declaration template library (申报模板库) supporting auto-assembly of
 * declaration packages (申报模板自动搭建). program is one of 高新技术企业 /
 * 科技型中小企业 / 省重点研发计划 / 专精特新 / 创新平台; status is one of 启用 /
 * 停用.
 */
@RestController
@RequestMapping("/api/oa/declaration-templates")
public class DeclarationTemplateController {

    private final DeclarationTemplateRepository templateRepo;

    public DeclarationTemplateController(DeclarationTemplateRepository templateRepo) {
        this.templateRepo = templateRepo;
    }

    @GetMapping
    public ApiResp<List<DeclarationTemplate>> list(@RequestParam(required = false) String program,
                                                   @RequestParam(required = false) String status) {
        List<DeclarationTemplate> list;
        if (program != null && !program.isBlank()) {
            list = templateRepo.findByProgram(program);
        } else if (status != null && !status.isBlank()) {
            list = templateRepo.findByStatus(status);
        } else {
            list = templateRepo.findAll();
        }
        return ApiResp.ok(list);
    }

    @GetMapping("/{id}")
    public ApiResp<DeclarationTemplate> get(@PathVariable Long id) {
        return ApiResp.ok(templateRepo.findById(id)
                .orElseThrow(() -> new NotFoundException("declaration template not found: " + id)));
    }

    public record CreateDeclarationTemplateRequest(
            String name, String program, String authority, String requiredMaterials,
            String autoCheckRules, String bodyTemplate, String version, String status,
            String updatedBy) {
    }

    @PostMapping
    public ApiResp<DeclarationTemplate> create(@RequestBody CreateDeclarationTemplateRequest req) {
        if (req.name() == null || req.name().isBlank()) {
            throw new ApiException(400, "name is required");
        }
        DeclarationTemplate t = new DeclarationTemplate();
        t.setName(req.name());
        t.setProgram(req.program());
        t.setAuthority(req.authority());
        t.setRequiredMaterials(req.requiredMaterials());
        t.setAutoCheckRules(req.autoCheckRules());
        t.setBodyTemplate(req.bodyTemplate());
        t.setVersion(req.version() == null || req.version().isBlank() ? "V1.0" : req.version());
        t.setStatus(req.status() == null || req.status().isBlank() ? "启用" : req.status());
        t.setUpdatedBy(req.updatedBy());
        t.setCreatedAt(Instant.now());
        return ApiResp.ok(templateRepo.save(t));
    }
}