const functions = require("firebase-functions");
const admin = require("firebase-admin");

let key = "./serviceAccountKey.json";

if (process.env.GCLOUD_PROJECT === "monkey-type") {
  key = "./serviceAccountKey_live.json";
}

var serviceAccount = require(key);

admin.initializeApp({
  credential: admin.credential.cert(serviceAccount),
});

// // Create and Deploy Your First Cloud Functions
// // https://firebase.google.com/docs/functions/write-firebase-functions
//
// exports.helloWorld = functions.https.onRequest((request, response) => {
//  response.send("Hello from Firebase!");
// });

exports.moveResults = functions
  .runWith({ timeoutSeconds: 540, memory: "2GB" })
  .https.onCall((request, response) => {
    return admin
      .firestore()
      .collection("results")
      .orderBy("timestamp", "desc")
      .limit(2000)
      .get()
      .then((data) => {
        data.docs.forEach((doc) => {
          let result = doc.data();
          if (result.moved === undefined || result.moved === false) {
            admin
              .firestore()
              .collection(`results`)
              .doc(doc.id)
              .update({ moved: true });
            admin
              .firestore()
              .collection(`users/${result.uid}/results`)
              .add(result);
            console.log(`moving doc ${doc.id}`);
          }
        });
        return;
      });
  });

function getAllNames() {
  return admin
    .auth()
    .listUsers()
    .then((data) => {
      let names = [];
      data.users.forEach((user) => {
        names.push(user.displayName);
      });
      return names;
    });
}

function getAllUsers() {
  return admin
    .auth()
    .listUsers()
    .then((data) => {
      return data.users;
    });
}

function isUsernameValid(name) {
  if (name === null || name === undefined || name === "") return false;
  if (/miodec/.test(name)) return false;
  if (name.length > 12) return false;
  return /^[0-9a-zA-Z_.-]+$/.test(name);
}

exports.checkNameAvailability = functions.https.onCall((request, response) => {
  // 1 - available
  // -1 - unavailable (taken)
  // -2 - not valid name
  // -999 - unknown error
  try {
    if (!isUsernameValid(request.name)) return -2;
    return getAllNames().then((data) => {
      let available = 1;
      data.forEach((name) => {
        try {
          if (name.toLowerCase() === request.name.toLowerCase()) available = -1;
        } catch (e) {
          //
        }
      });
      return available;
    });
  } catch (e) {
    return -999;
  }
});

exports.changeName = functions.https.onCall((request, response) => {
  try {
    if (!isUsernameValid(request.name)) {
      console.warn(
        `${request.uid} tried to change their name to ${request.name} - not valid`
      );
      return 0;
    }
    return getAllNames().then((data) => {
      let available = 1;
      data.forEach((name) => {
        try {
          if (name.toLowerCase() === request.name.toLowerCase()) available = 0;
        } catch (e) {
          //
        }
      });
      if (available === 1) {
        return admin
          .auth()
          .updateUser(request.uid, {
            displayName: request.name,
          })
          .then((d) => {
            console.log(
              `${request.uid} changed their name to ${request.name} - done`
            );
            return 1;
          })
          .catch((e) => {
            console.error(
              `${request.uid} tried to change their name to ${request.name} - ${e.message}`
            );
            return -1;
          });
      } else {
        console.warn(
          `${request.uid} tried to change their name to ${request.name} - already taken`
        );
        return 0;
      }
    });
  } catch (e) {
    console.error(
      `${request.uid} tried to change their name to ${request.name} - ${e}`
    );
    return -1;
  }
});

exports.checkIfNeedsToChangeName = functions.https.onCall(
  (request, response) => {
    try {
      return admin
        .firestore()
        .collection("users")
        .doc(request.uid)
        .get()
        .then((doc) => {
          if (doc.data().name === undefined) {
            return admin
              .auth()
              .getUser(request.uid)
              .then((requestUser) => {
                if (!isUsernameValid(requestUser.displayName)) {
                  //invalid name, needs to change
                  console.log(
                    `user ${requestUser.uid} ${requestUser.displayName} needs to change name`
                  );
                  return 1;
                } else {
                  //valid name, but need to change if not duplicate

                  return getAllUsers()
                    .then((users) => {
                      let sameName = [];

                      //look for name names
                      users.forEach((user) => {
                        if (user.uid !== requestUser.uid) {
                          try {
                            if (
                              user.displayName.toLowerCase() ===
                              requestUser.displayName.toLowerCase()
                            ) {
                              sameName.push(user);
                            }
                          } catch (e) {
                            //
                          }
                        }
                      });

                      if (sameName.length === 0) {
                        admin
                          .firestore()
                          .collection("users")
                          .doc(request.uid)
                          .update({ name: requestUser.displayName })
                          .then(() => {
                            return 0;
                          });
                      } else {
                        //check when the request user made the account compared to others
                        let earliestTimestamp = 999999999999999;
                        sameName.forEach((sn) => {
                          let ts =
                            new Date(sn.metadata.creationTime).getTime() / 1000;
                          if (ts <= earliestTimestamp) {
                            earliestTimestamp = ts;
                          }
                        });

                        if (
                          new Date(
                            requestUser.metadata.creationTime
                          ).getTime() /
                            1000 >
                          earliestTimestamp
                        ) {
                          console.log(
                            `user ${requestUser.uid} ${requestUser.displayName} needs to change name`
                          );
                          return 2;
                        } else {
                          admin
                            .firestore()
                            .collection("users")
                            .doc(request.uid)
                            .update({ name: requestUser.displayName })
                            .then(() => {
                              return 0;
                            });
                        }
                      }
                    })
                    .catch((e) => {
                      console.error(`error getting all users - ${e}`);
                    });
                }
              });
          } else {
            console.log("name is good");
            return 0;
          }
        });
    } catch (e) {
      return -1;
    }
  }
);

function checkIfPB(uid, obj) {
  return admin
    .firestore()
    .collection(`users`)
    .doc(uid)
    .get()
    .then((data) => {
      let pbs = null;
      try {
        pbs = data.data().personalBests;
        if (pbs === undefined) {
          throw new Error("pb is undefined");
        }
      } catch (e) {
        return admin
          .firestore()
          .collection("users")
          .doc(uid)
          .update({
            personalBests: {
              [obj.mode]: {
                [obj.mode2]: [
                  {
                    language: obj.language,
                    difficulty: obj.difficulty,
                    punctuation: obj.punctuation,
                    wpm: obj.wpm,
                  },
                ],
              },
            },
          })
          .then((e) => {
            return true;
          })
          .catch((e) => {
            return admin
              .firestore()
              .collection("users")
              .doc(uid)
              .set({
                personalBests: {
                  [obj.mode]: {
                    [obj.mode2]: [
                      {
                        language: obj.language,
                        difficulty: obj.difficulty,
                        punctuation: obj.punctuation,
                        wpm: obj.wpm,
                      },
                    ],
                  },
                },
              })
              .then((e) => {
                return true;
              });
          });
      }
      // //check mode, mode2, punctuation, language and difficulty

      let toUpdate = false;
      let found = false;
      try {
        pbs[obj.mode][obj.mode2].forEach((pb) => {
          if (
            pb.punctuation === obj.punctuation &&
            pb.difficulty === obj.difficulty &&
            pb.language === obj.language
          ) {
            //entry like this already exists, compare wpm
            found = true;
            if (pb.wpm < obj.wpm) {
              //new pb
              pb.wpm = obj.wpm;
              toUpdate = true;
            } else {
              //no pb
              return false;
            }
          }
        });
        //checked all pbs, nothing found - meaning this is a new pb
        if (!found) {
          pbs[obj.mode][obj.mode2].push({
            language: obj.language,
            difficulty: obj.difficulty,
            punctuation: obj.punctuation,
            wpm: obj.wpm,
          });
          toUpdate = true;
        }
      } catch (e) {
        // console.log(e);
        pbs[obj.mode] = {};
        pbs[obj.mode][obj.mode2] = [
          {
            language: obj.language,
            difficulty: obj.difficulty,
            punctuation: obj.punctuation,
            wpm: obj.wpm,
          },
        ];
        toUpdate = true;
      }

      if (toUpdate) {
        return admin
          .firestore()
          .collection("users")
          .doc(uid)
          .update({ personalBests: pbs })
          .then((e) => {
            return true;
          });
      } else {
        return false;
      }
    });
}

function stdDev(array) {
  const n = array.length;
  const mean = array.reduce((a, b) => a + b) / n;
  return Math.sqrt(
    array.map((x) => Math.pow(x - mean, 2)).reduce((a, b) => a + b) / n
  );
}

exports.testCompleted = functions.https.onCall((request, response) => {
  try {
    if (request.uid === undefined || request.obj === undefined) {
      console.error(`error saving result for ${request.uid} - missing input`);
      return { resultCode: -999 };
    }

    let obj = request.obj;

    let err = false;
    Object.keys(obj).forEach((key) => {
      let val = obj[key];
      if (Array.isArray(val)) {
        val.forEach((valarr) => {
          if (!/^[0-9a-zA-Z._]+$/.test(valarr)) err = true;
        });
      } else {
        if (val === undefined || !/^[0-9a-zA-Z._]+$/.test(val)) err = true;
      }
    });
    if (err) {
      console.error(
        `error saving result for ${request.uid} - bad input - ${JSON.stringify(
          request.obj
        )}`
      );
      return { resultCode: -1 };
    }

    if (obj.wpm <= 0 || obj.wpm > 350 || obj.acc < 50 || obj.acc > 100) {
      return { resultCode: -1 };
    }

    let keySpacing = {
      average:
        obj.keySpacing.reduce((previous, current) => (current += previous)) /
        obj.keySpacing.length,
      sd: stdDev(obj.keySpacing),
    };

    let keyDuration = {
      average:
        obj.keyDuration.reduce((previous, current) => (current += previous)) /
        obj.keyDuration.length,
      sd: stdDev(obj.keyDuration),
    };

    return admin
      .firestore()
      .collection("users")
      .doc(request.uid)
      .get()
      .then((doc) => {
        let docdata = doc.data();
        let banned = docdata.banned === undefined ? false : docdata.banned;
        let verified =
          docdata.verified === undefined ? false : docdata.verified;

        //check keyspacing and duration here
        if (!verified) {
          if (
            keySpacing.sd < 15 ||
            keyDuration.sd < 15 ||
            keyDuration.average < 15
          ) {
            console.error(
              `possible bot detected by user ${request.uid} ${
                docdata.name
              } - ${JSON.stringify(keySpacing)} ${JSON.stringify(keyDuration)}`
            );
            return { resultCode: -2 };
          }
        }

        return admin
          .firestore()
          .collection(`users/${request.uid}/results`)
          .add(obj)
          .then((e) => {
            return Promise.all([
              checkLeaderboards(request.obj, "global", banned),
              checkLeaderboards(request.obj, "daily", banned),
              checkIfPB(request.uid, request.obj),
            ]).then((values) => {
              let globallb = values[0].insertedAt;
              let dailylb = values[1].insertedAt;
              let ispb = values[2];
              // console.log(values);

              let returnobj = {
                resultCode: null,
                globalLeaderboard: globallb,
                dailyLeaderboard: dailylb,
                lbBanned: banned,
              };
              request.obj.keySpacing = "removed";
              request.obj.keyDuration = "removed";
              if (ispb) {
                console.log(
                  `saved result for ${request.uid} (new PB) - ${JSON.stringify(
                    request.obj
                  )}`
                );
                returnobj.resultCode = 2;
              } else {
                console.log(
                  `saved result for ${request.uid} - ${JSON.stringify(
                    request.obj
                  )}`
                );
                returnobj.resultCode = 1;
              }
              // console.log(returnobj);
              return returnobj;
            });
          })
          .catch((e) => {
            console.error(
              `error saving result when checking for PB / checking leaderboards for ${request.uid} - ${e.message}`
            );
            return { resultCode: -999 };
          });
      })
      .catch((e) => {
        console.error(
          `error saving result when getting user data for ${request.uid} - ${e.message}`
        );
        return { resultCode: -999 };
      });
  } catch (e) {
    console.error(`error saving result for ${request.uid} - ${e}`);
    return { resultCode: -999 };
  }
});

function isTagValid(name) {
  if (name === null || name === undefined || name === "") return false;
  if (name.length > 16) return false;
  return /^[0-9a-zA-Z_.-]+$/.test(name);
}

exports.addTag = functions.https.onCall((request, response) => {
  try {
    if (!isTagValid(request.name)) {
      return { resultCode: -1 };
    } else {
      return admin
        .firestore()
        .collection(`users/${request.uid}/tags`)
        .add({
          name: request.name,
        })
        .then((e) => {
          console.log(`user ${request.uid} created a tag: ${request.name}`);
          return {
            resultCode: 1,
            id: e.id,
          };
        })
        .catch((e) => {
          console.error(
            `error while creating tag for user ${request.uid}: ${e.message}`
          );
          return { resultCode: -999 };
        });
    }
  } catch (e) {
    console.error(`error adding tag for ${request.uid} - ${e}`);
    return { resultCode: -999 };
  }
});

exports.editTag = functions.https.onCall((request, response) => {
  try {
    if (!isTagValid(request.name)) {
      return { resultCode: -1 };
    } else {
      return admin
        .firestore()
        .collection(`users/${request.uid}/tags`)
        .doc(request.tagid)
        .update({
          name: request.name,
        })
        .then((e) => {
          console.log(`user ${request.uid} updated a tag: ${request.name}`);
          return {
            resultCode: 1,
          };
        })
        .catch((e) => {
          console.error(
            `error while updating tag for user ${request.uid}: ${e.message}`
          );
          return { resultCode: -999 };
        });
    }
  } catch (e) {
    console.error(`error updating tag for ${request.uid} - ${e}`);
    return { resultCode: -999 };
  }
});

exports.removeTag = functions.https.onCall((request, response) => {
  try {
    return admin
      .firestore()
      .collection(`users/${request.uid}/tags`)
      .doc(request.tagid)
      .delete()
      .then((e) => {
        console.log(`user ${request.uid} deleted a tag`);
        return {
          resultCode: 1,
        };
      })
      .catch((e) => {
        console.error(
          `error deleting tag for user ${request.uid}: ${e.message}`
        );
        return { resultCode: -999 };
      });
  } catch (e) {
    console.error(`error deleting tag for ${request.uid} - ${e}`);
    return { resultCode: -999 };
  }
});

exports.updateResultTags = functions.https.onCall((request, response) => {
  try {
    let validTags = true;
    request.tags.forEach((tag) => {
      if (!/^[0-9a-zA-Z]+$/.test(tag)) validTags = false;
    });
    if (validTags) {
      return admin
        .firestore()
        .collection(`users/${request.uid}/results`)
        .doc(request.resultid)
        .update({
          tags: request.tags,
        })
        .then((e) => {
          console.log(
            `user ${request.uid} updated tags for result ${request.resultid}`
          );
          return {
            resultCode: 1,
          };
        })
        .catch((e) => {
          console.error(
            `error while updating tags for result by user ${request.uid}: ${e.message}`
          );
          return { resultCode: -999 };
        });
    } else {
      console.error(`invalid tags for user ${request.uid}: ${request.tags}`);
      return { resultCode: -1 };
    }
  } catch (e) {
    console.error(`error updating tags by ${request.uid} - ${e}`);
    return { resultCode: -999 };
  }
});

function isConfigKeyValid(name) {
  if (name === null || name === undefined || name === "") return false;
  if (name.length > 30) return false;
  return /^[0-9a-zA-Z_.\-#]+$/.test(name);
}

exports.saveConfig = functions.https.onCall((request, response) => {
  try {
    if (request.uid === undefined || request.obj === undefined) {
      console.error(`error saving config for ${request.uid} - missing input`);
      return -1;
    }

    let obj = request.obj;

    let err = false;
    Object.keys(obj).forEach((key) => {
      let val = obj[key];
      if (Array.isArray(val)) {
        val.forEach((valarr) => {
          if (!isConfigKeyValid(valarr)) {
            err = true;
            console.error(`${key}: ${valarr} failed regex check`);
          }
        });
      } else {
        if (!isConfigKeyValid(val)) {
          err = true;
          console.error(`${key}: ${val} failed regex check`);
        }
      }
    });
    if (err) {
      console.error(
        `error saving config for ${request.uid} - bad input - ${JSON.stringify(
          request.obj
        )}`
      );
      return -1;
    }

    return admin
      .firestore()
      .collection(`users`)
      .doc(request.uid)
      .set(
        {
          config: obj,
        },
        { merge: true }
      )
      .then((e) => {
        return 1;
      })
      .catch((e) => {
        console.error(
          `error saving config to DB for ${request.uid} - ${e.message}`
        );
        return -1;
      });
  } catch (e) {
    console.error(`error saving config for ${request.uid} - ${e}`);
    return { resultCode: -999 };
  }
});

class Leaderboard {
  constructor(size, mode, mode2, type, starting) {
    this.size = size;
    this.board = [];
    this.mode = mode;
    this.mode2 = mode2;
    this.type = type;
    if (starting !== undefined && starting !== null) {
      starting.forEach((entry) => {
        if (entry.mode === this.mode && entry.mode2 === this.mode2) {
          this.board.push({
            uid: entry.uid,
            wpm: parseFloat(entry.wpm),
            raw: parseFloat(entry.raw),
            acc: parseFloat(entry.acc),
            mode: entry.mode,
            mode2: entry.mode2,
            timestamp: entry.timestamp,
          });
        }
      });
    }
    this.sortBoard();
    this.clipBoard();
  }
  sortBoard() {
    this.board.sort((a, b) => {
      if (a.wpm === b.wpm) {
        if (a.acc === b.acc) {
          return a.timestamp - b.timestamp;
        } else {
          return b.acc - a.acc;
        }
      } else {
        return b.wpm - a.wpm;
      }
    });
  }
  clipBoard() {
    let boardLength = this.board.length;
    if (boardLength > this.size) {
      while (this.board.length !== this.size) {
        this.board.pop();
      }
    }
  }
  logBoard() {
    console.log(this.board);
  }
  removeDuplicates(insertedAt, uid) {
    //return true if a better result is found
    let found = false;
    // let ret;
    let foundAt = null;
    if (this.board !== undefined) {
      this.board.forEach((entry, index) => {
        if (entry.uid === uid) {
          if (found) {
            this.board.splice(index, 1);
            // if (index > insertedAt) {
            //   //removed old result
            //   ret = false;
            // } else {
            //   ret = true;
            // }
          } else {
            found = true;
            foundAt = index;
          }
        }
      });
    }
    // console.log(ret);
    // return ret;
    return foundAt;
  }
  insert(a) {
    let insertedAt = -1;
    if (a.mode === this.mode && a.mode2 === this.mode2) {
      this.board.forEach((b, index) => {
        if (insertedAt !== -1) return;
        if (a.wpm === b.wpm) {
          if (a.acc === b.acc) {
            if (a.timestamp < b.timestamp) {
              this.board.splice(index, 0, {
                uid: a.uid,
                wpm: parseFloat(a.wpm),
                raw: parseFloat(a.rawWpm),
                acc: parseFloat(a.acc),
                mode: a.mode,
                mode2: a.mode2,
                timestamp: a.timestamp,
              });
              insertedAt = index;
            }
          } else {
            if (a.acc > b.acc) {
              this.board.splice(index, 0, {
                uid: a.uid,
                wpm: parseFloat(a.wpm),
                raw: parseFloat(a.rawWpm),
                acc: parseFloat(a.acc),
                mode: a.mode,
                mode2: a.mode2,
                timestamp: a.timestamp,
              });
              insertedAt = index;
            }
          }
        } else {
          if (a.wpm > b.wpm) {
            this.board.splice(index, 0, {
              uid: a.uid,
              wpm: parseFloat(a.wpm),
              raw: parseFloat(a.rawWpm),
              acc: parseFloat(a.acc),
              mode: a.mode,
              mode2: a.mode2,
              timestamp: a.timestamp,
            });
            insertedAt = index;
          }
        }
      });
      if (this.board.length < this.size && insertedAt === -1) {
        this.board.push({
          uid: a.uid,
          wpm: parseFloat(a.wpm),
          raw: parseFloat(a.rawWpm),
          acc: parseFloat(a.acc),
          mode: a.mode,
          mode2: a.mode2,
          timestamp: a.timestamp,
        });
        insertedAt = this.board.length - 1;
      }
      // console.log("before duplicate remove");
      // console.log(this.board);
      let newBest = false;
      let foundAt = null;
      if (insertedAt >= 0) {
        // if (this.removeDuplicates(insertedAt, a.uid)) {
        //   insertedAt = -2;
        // }
        foundAt = this.removeDuplicates(insertedAt, a.uid);

        if (foundAt >= insertedAt) {
          //new better result
          newBest = true;
        }
      }
      // console.log(this.board);
      this.clipBoard();
      return {
        insertedAt: insertedAt,
        newBest: newBest,
        foundAt: foundAt,
      };
    } else {
      return {
        insertedAt: -999,
      };
    }
  }
}

async function checkLeaderboards(resultObj, type, banned) {
  try {
    if (banned)
      return {
        insertedAt: null,
        banned: true,
      };
    if (
      ((resultObj.mode === "words" &&
        ["10", "100"].includes(String(resultObj.mode2))) ||
        (resultObj.mode === "time" &&
          ["15", "60"].includes(String(resultObj.mode2)))) &&
      resultObj.language === "english"
    ) {
      return admin
        .firestore()
        .collection("leaderboards")
        .where("mode", "==", String(resultObj.mode))
        .where("mode2", "==", String(resultObj.mode2))
        .where("type", "==", type)
        .get()
        .then((ret) => {
          if (ret.docs.length === 0) {
            //no lb found, create
            console.log(
              `no ${resultObj.mode} ${resultObj.mode2} ${type} leaderboard found - creating`
            );
            let toAdd = {
              size: 20,
              mode: String(resultObj.mode),
              mode2: String(resultObj.mode2),
              type: type,
            };
            return admin
              .firestore()
              .collection("leaderboards")
              .doc(
                `${String(resultObj.mode)}_${String(resultObj.mode2)}_${type}`
              )
              .set(toAdd)
              .then((ret) => {
                return cont(
                  `${String(resultObj.mode)}_${String(
                    resultObj.mode2
                  )}_${type}`,
                  toAdd
                );
              });
          } else {
            //continue
            return cont(
              `${String(resultObj.mode)}_${String(resultObj.mode2)}_${type}`,
              ret.docs[0].data()
            );
          }
        });

      function cont(docid, documentData) {
        let boardInfo = documentData;
        let boardData = boardInfo.board;

        // console.log(`info ${JSON.stringify(boardInfo)}`);
        // console.log(`data ${JSON.stringify(boardData)}`);

        let lb = new Leaderboard(
          boardInfo.size,
          resultObj.mode,
          resultObj.mode2,
          boardInfo.type,
          boardData
        );

        // console.log("board created");
        // lb.logBoard();

        let insertResult = lb.insert(resultObj);

        // console.log("board after inseft");
        // lb.logBoard();

        if (insertResult.insertedAt >= 0) {
          //update the database here
          console.log(
            `leaderboard changed ${resultObj.mode} ${
              resultObj.mode2
            } ${type} - ${JSON.stringify(lb.board)}`
          );
          admin.firestore().collection("leaderboards").doc(docid).set(
            {
              size: lb.size,
              type: lb.type,
              board: lb.board,
            },
            { merge: true }
          );
        } else {
          // console.log("board is the same");
        }

        return {
          insertedAt: insertResult,
        };
      }
    }
  } catch (e) {
    console.error(
      `error while checking leaderboards - ${e} - ${type} ${resultObj}`
    );
    return null;
  }
}

exports.getLeaderboard = functions.https.onCall((request, response) => {
  return admin
    .firestore()
    .collection("leaderboards")
    .where("mode", "==", String(request.mode))
    .where("mode2", "==", String(request.mode2))
    .where("type", "==", String(request.type))
    .get()
    .then(async (data) => {
      // console.log("got data");
      if (data.docs.length === 0) return null;
      let lbdata = data.docs[0].data();
      if (lbdata.board !== undefined) {
        // console.log("replacing users");

        for (let i = 0; i < lbdata.board.length; i++) {
          await admin
            .firestore()
            .collection("users")
            .doc(lbdata.board[i].uid)
            .get()
            .then((doc) => {
              if (
                lbdata.board[i].uid !== null &&
                lbdata.board[i].uid === request.uid
              ) {
                lbdata.board[i].currentUser = true;
              }
              lbdata.board[i].name = doc.data().name;
              lbdata.board[i].uid = null;
            });
        }
        // console.log(lbdata);
        if (request.type === "daily") {
          let resetTime = new Date(Date.now());
          resetTime.setHours(0, 0, 0, 0);
          resetTime.setDate(resetTime.getUTCDate() + 1);
          resetTime = resetTime.valueOf();
          lbdata.resetTime = resetTime;
        }

        return lbdata;
      } else {
        if (
          lbdata.board === undefined ||
          lbdata.board === [] ||
          lbdata.board.length === 0
        ) {
          return lbdata;
        } else {
          return [];
        }
      }
    });
});

exports.scheduledFunctionCrontab = functions.pubsub
  .schedule("00 00 * * *")
  .timeZone("Africa/Abidjan")
  .onRun((context) => {
    try {
      console.log("moving daily leaderboards to history");
      admin
        .firestore()
        .collection("leaderboards")
        .where("type", "==", "daily")
        .get()
        .then((res) => {
          res.docs.forEach((doc) => {
            let lbdata = doc.data();
            t = new Date();
            admin
              .firestore()
              .collection("leaderboards_history")
              .doc(
                `${t.getUTCDate()}_${t.getUTCMonth()}_${t.getUTCFullYear()}_${
                  lbdata.mode
                }_${lbdata.mode2}`
              )
              .set(lbdata);
            admin.firestore().collection("leaderboards").doc(doc.id).set(
              {
                board: [],
              },
              { merge: true }
            );
          });
        });
      return null;
    } catch (e) {
      console.error(`error while moving daily leaderboards to history - ${e}`);
    }
  });

// exports.getConfig = functions.https.onCall((request,response) => {
//     try{
//         if(request.uid === undefined){
//             console.error(`error getting config for ${request.uid} - missing input`);
//             return -1;
//         }

//         return admin.firestore().collection(`users`).doc(request.uid).get().then(e => {
//             return e.data().config;
//         }).catch(e => {
//             console.error(`error getting config from DB for ${request.uid} - ${e.message}`);
//             return -1;
//         });
//     }catch(e){
//         console.error(`error getting config for ${request.uid} - ${e}`);
//         return {resultCode:-999};
//     }
// })