package core.process;

import core.operation.Search;
import error.GExcptInit;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class C_TeacherSearchStudent extends TempProcess  {
     String studentId;

     static  String table="student";

    public Map<String,String> search() throws Exception{
        if(!check()) throw new GExcptInit("studentId Attrs init error!");
        Map<String,String> studentInfo =new HashMap<>();
        Search search  = new Search() ;
        search.setOptions(new HashMap<>());
        search.addOptions("table",table);
        List<String> fields = new ArrayList<>();
        fields.add("*");
        search.addOptions("field",fields);
        Map<String,String> limits = new HashMap<>();
        limits.put("id",this.getStudentId());
        search.addOptions("limits",limits);
        search.addOptions("start",0);
        search.addOptions("end",1);
        Map<String, Object> options = search.execute(null);
        List<String[]> result = (List<String[]>) options.get("result");
        String[] s = result.get(0);
        studentInfo.put("id",s[0]);
        studentInfo.put("name",s[2]);
        studentInfo.put("e_mail_location",s[3]);
        studentInfo.put("phone_number",s[4]);
        return studentInfo;
    }
    public List<Map<String,String>> _search() throws Exception{
        if(!check()) throw new GExcptInit("studentId Attrs init error!");
        Search search  = new Search() ;
        search.setOptions(new HashMap<>());
        search.addOptions("table",table);
        List<String> fields = new ArrayList<>();
        fields.add("*");
        search.addOptions("field",fields);
        Map<String,String> limits = new HashMap<>();
        limits.put("id",this.getStudentId());
        search.addOptions("limits",limits);
        search.addOptions("start",0);
        search.addOptions("end",1);
        Map<String, Object> options = search.execute(null);
        List<String[]> result = (List<String[]>) options.get("result");
        List<Map<String,String>> studentsInfo = new ArrayList<>();
        for(String[] s:result){
            Map<String,String> studentInfo = new HashMap<>();
            studentInfo.put("id",s[0]);
            studentInfo.put("name",s[2]);
            studentInfo.put("e_mail_location",s[3]);
            studentInfo.put("phone_number",s[4]);
            studentsInfo.add(studentInfo);
        }
        return studentsInfo;
    }
    protected boolean check() {
        if(this.getStudentId()==null)
            return false;
        return true;
    }
    public String getStudentId(){
        return studentId;
    }
    public void setStudentId(String studentId){
        this.studentId=studentId;
    }

}