package com.oying.rest;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.oying.domain.ColumnInfo;
import com.oying.domain.dto.TableInfo;
import com.oying.service.GenConfigService;
import com.oying.service.GeneratorService;
import com.oying.utils.R;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.RequiredArgsConstructor;
import com.oying.exception.BadRequestException;
import com.oying.utils.PageResult;
import com.oying.utils.PageUtil;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.List;

/**
 * @author Z
 * @date 2019-01-02
 */
@RestController
@RequiredArgsConstructor
@RequestMapping("/api/generator")
@Api(tags = "系统：代码生成管理")
public class GeneratorController {

    private final GeneratorService generatorService;
    private final GenConfigService genConfigService;

    @Value("${generator.enabled}")
    private Boolean generatorEnabled;

    @ApiOperation("查询数据库数据")
    @GetMapping(value = "/tables")
    public ResponseEntity<Object> queryTables(@RequestParam(defaultValue = "") String name, @RequestParam(defaultValue = "1") Integer page, @RequestParam(defaultValue = "10") Integer size) {
        return new ResponseEntity<>(R.success(generatorService.getTables(name, new Page<>(page, size))), HttpStatus.OK);
    }

    @ApiOperation("查询字段数据")
    @GetMapping(value = "/columns")
    public ResponseEntity<Object> queryColumns(@RequestParam String tableName) {
        List<ColumnInfo> columnInfos = generatorService.getColumns(tableName);
        return new ResponseEntity<>(R.success(PageUtil.toPage(columnInfos)), HttpStatus.OK);
    }

    @ApiOperation("保存字段数据")
    @PutMapping
    public ResponseEntity<Object> saveColumn(@RequestBody List<ColumnInfo> columnInfos) {
        generatorService.save(columnInfos);
        return new ResponseEntity<>(R.success(), HttpStatus.OK);
    }

    @ApiOperation("同步字段数据")
    @PostMapping(value = "sync")
    public ResponseEntity<Object> syncColumn(@RequestBody List<String> tables) {
        for (String table : tables) {
            generatorService.sync(generatorService.getColumns(table), generatorService.query(table));
        }
        return new ResponseEntity<>(R.success(), HttpStatus.OK);
    }

    @ApiOperation("生成代码")
    @PostMapping(value = "/{tableName}/{type}")
    public ResponseEntity<Object> generatorCode(@PathVariable String tableName, @PathVariable Integer type, HttpServletRequest request, HttpServletResponse response) {
        if (!generatorEnabled && type == 0) {
            throw new BadRequestException("此环境不允许生成代码，请选择预览或者下载查看！");
        }
        switch (type) {
            // 生成代码
            case 0:
                generatorService.generator(genConfigService.find(tableName), generatorService.getColumns(tableName));
                break;
            // 预览
            case 1:
                return generatorService.preview(genConfigService.find(tableName), generatorService.getColumns(tableName));
            // 打包
            case 2:
                generatorService.download(genConfigService.find(tableName), generatorService.getColumns(tableName), request, response);
                break;
            default:
                throw new BadRequestException("没有这个选项");
        }
        return new ResponseEntity<>(R.success(), HttpStatus.OK);
    }
}