// This file is part of MinIO Console Server
// Copyright (c) 2021 MinIO, Inc.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

import React, { Fragment, useEffect, useState } from "react";
import {
  Accordion,
  AccordionDetails,
  AccordionSummary,
  Button,
  LinearProgress,
  SelectChangeEvent,
  Typography,
} from "@mui/material";
import { Theme } from "@mui/material/styles";
import get from "lodash/get";
import Grid from "@mui/material/Grid";
import createStyles from "@mui/styles/createStyles";
import withStyles from "@mui/styles/withStyles";
import {
  createTenantCommon,
  formFieldStyles,
  modalStyleUtils,
  spacingUtils,
} from "../../Common/FormComponents/common/styleLibrary";

import { LifeCycleItem } from "../types";
import { ErrorResponseHandler } from "../../../../common/types";
import { LifecycleConfigIcon } from "../../../../icons";
import { ITiersDropDown } from "./AddLifecycleModal";
import {
  ITierElement,
  ITierResponse,
} from "../../Configurations/TiersConfiguration/types";
import api from "../../../../common/api";
import ModalWrapper from "../../Common/ModalWrapper/ModalWrapper";
import InputBoxWrapper from "../../Common/FormComponents/InputBoxWrapper/InputBoxWrapper";
import FormSwitchWrapper from "../../Common/FormComponents/FormSwitchWrapper/FormSwitchWrapper";
import QueryMultiSelector from "../../Common/FormComponents/QueryMultiSelector/QueryMultiSelector";
import SelectWrapper from "../../Common/FormComponents/SelectWrapper/SelectWrapper";
import RadioGroupSelector from "../../Common/FormComponents/RadioGroupSelector/RadioGroupSelector";

import { setModalErrorSnackMessage } from "../../../../systemSlice";
import { useAppDispatch } from "../../../../store";

const styles = (theme: Theme) =>
  createStyles({
    dateSelector: {
      "& div": {
        borderBottom: 0,
        marginBottom: 0,

        "& div:nth-child(2)": {
          border: "1px solid #EAEAEA",
          paddingLeft: 5,

          "& div": {
            border: 0,
          },
        },
      },
    },
    formFieldRowAccordion: {
      "& .MuiPaper-root": { padding: 0 },
    },
    ...spacingUtils,
    ...modalStyleUtils,
    ...formFieldStyles,
    ...createTenantCommon,
  });

interface IAddUserContentProps {
  classes: any;
  closeModalAndRefresh: (reload: boolean) => void;
  selectedBucket: string;
  lifecycleRule: LifeCycleItem;
  open: boolean;
}

const EditLifecycleConfiguration = ({
  classes,
  closeModalAndRefresh,
  selectedBucket,
  lifecycleRule,
  open,
}: IAddUserContentProps) => {
  const dispatch = useAppDispatch();
  const [loadingTiers, setLoadingTiers] = useState<boolean>(true);
  const [addLoading, setAddLoading] = useState<boolean>(false);
  const [tags, setTags] = useState<string>("");
  const [enabled, setEnabled] = useState<boolean>(false);
  const [tiersList, setTiersList] = useState<ITiersDropDown[]>([]);
  const [prefix, setPrefix] = useState("");
  const [storageClass, setStorageClass] = useState("");
  const [NCTransitionSC, setNCTransitionSC] = useState("");
  const [expiredObjectDM, setExpiredObjectDM] = useState<boolean>(false);
  const [NCExpirationDays, setNCExpirationDays] = useState<string>("0");
  const [NCTransitionDays, setNCTransitionDays] = useState<string>("0");
  const [ilmType, setIlmType] = useState<string>("expiry");
  const [expiryDays, setExpiryDays] = useState<string>("0");
  const [transitionDays, setTransitionDays] = useState<string>("0");
  const [isFormValid, setIsFormValid] = useState<boolean>(false);

  useEffect(() => {
    if (loadingTiers) {
      api
        .invoke("GET", `/api/v1/admin/tiers`)
        .then((res: ITierResponse) => {
          const tiersList: ITierElement[] | null = get(res, "items", []);

          if (tiersList !== null && tiersList.length >= 1) {
            const objList = tiersList.map((tier: ITierElement) => {
              const tierType = tier.type;
              const value = get(tier, `${tierType}.name`, "");

              return { label: value, value: value };
            });

            setTiersList(objList);
            if (objList.length > 0) {
              setStorageClass(objList[0].value);
            }
          }
          setLoadingTiers(false);
        })
        .catch((err: ErrorResponseHandler) => {
          setLoadingTiers(false);
        });
    }
  }, [loadingTiers]);

  useEffect(() => {
    let valid = true;

    if (ilmType !== "expiry") {
      if (storageClass === "") {
        valid = false;
      }
    }
    setIsFormValid(valid);
  }, [ilmType, expiryDays, transitionDays, storageClass]);

  useEffect(() => {
    if (lifecycleRule.status === "Enabled") {
      setEnabled(true);
    }

    let transitionMode = false;

    if (lifecycleRule.transition) {
      if (
        lifecycleRule.transition.days &&
        lifecycleRule.transition.days !== 0
      ) {
        setTransitionDays(lifecycleRule.transition.days.toString());
        setIlmType("transition");
        transitionMode = true;
      }
      if (
        lifecycleRule.transition.noncurrent_transition_days &&
        lifecycleRule.transition.noncurrent_transition_days !== 0
      ) {
        setNCTransitionDays(
          lifecycleRule.transition.noncurrent_transition_days.toString()
        );
        setIlmType("transition");
        transitionMode = true;
      }

      // Fallback to old rules by date
      if (
        lifecycleRule.transition.date &&
        lifecycleRule.transition.date !== "0001-01-01T00:00:00Z"
      ) {
        setIlmType("transition");
        transitionMode = true;
      }
    }

    if (lifecycleRule.expiration) {
      if (
        lifecycleRule.expiration.days &&
        lifecycleRule.expiration.days !== 0
      ) {
        setExpiryDays(lifecycleRule.expiration.days.toString());
        setIlmType("expiry");
        transitionMode = false;
      }
      if (
        lifecycleRule.expiration.noncurrent_expiration_days &&
        lifecycleRule.expiration.noncurrent_expiration_days !== 0
      ) {
        setNCExpirationDays(
          lifecycleRule.expiration.noncurrent_expiration_days.toString()
        );
        setIlmType("expiry");
        transitionMode = false;
      }

      // Fallback to old rules by date
      if (
        lifecycleRule.expiration.date &&
        lifecycleRule.expiration.date !== "0001-01-01T00:00:00Z"
      ) {
        setIlmType("expiry");
        transitionMode = false;
      }
    }

    // Transition fields
    if (transitionMode) {
      setStorageClass(lifecycleRule.transition?.storage_class || "");
      setNCTransitionDays(
        lifecycleRule.transition?.noncurrent_transition_days?.toString() || "0"
      );
      setNCTransitionSC(
        lifecycleRule.transition?.noncurrent_storage_class || ""
      );
    } else {
      // Expiry fields
      setNCExpirationDays(
        lifecycleRule.expiration?.noncurrent_expiration_days?.toString() || "0"
      );
    }

    setExpiredObjectDM(!!lifecycleRule.expiration?.delete_marker);
    setPrefix(lifecycleRule.prefix || "");

    if (lifecycleRule.tags) {
      const tgs = lifecycleRule.tags.reduce(
        (stringLab: string, currItem: any, index: number) => {
          return `${stringLab}${index !== 0 ? "&" : ""}${currItem.key}=${
            currItem.value
          }`;
        },
        ""
      );

      setTags(tgs);
    }
  }, [lifecycleRule]);

  const saveRecord = (event: React.FormEvent) => {
    event.preventDefault();

    if (addLoading) {
      return;
    }
    setAddLoading(true);
    if (selectedBucket !== null && lifecycleRule !== null) {
      let rules = {};

      if (ilmType === "expiry") {
        let expiry: { [key: string]: number } = {};

        if (
          lifecycleRule.expiration?.days &&
          lifecycleRule.expiration?.days > 0
        ) {
          expiry["expiry_days"] = parseInt(expiryDays);
        }
        if (lifecycleRule.expiration?.noncurrent_expiration_days) {
          expiry["noncurrentversion_expiration_days"] =
            parseInt(NCExpirationDays);
        }

        rules = {
          ...expiry,
        };
      } else {
        let transition: { [key: string]: number | string } = {};

        if (
          lifecycleRule.expiration?.days &&
          lifecycleRule.expiration?.days > 0
        ) {
          transition["transition_days"] = parseInt(expiryDays);
          transition["storage_class"] = storageClass;
        }
        if (lifecycleRule.expiration?.noncurrent_expiration_days) {
          transition["noncurrentversion_transition_days"] =
            parseInt(NCExpirationDays);
          transition["noncurrentversion_transition_storage_class"] =
            NCTransitionSC;
        }

        rules = {
          ...transition,
        };
      }

      const lifecycleUpdate = {
        type: ilmType,
        disable: !enabled,
        prefix,
        tags,
        expired_object_delete_marker: expiredObjectDM,
        ...rules,
      };

      api
        .invoke(
          "PUT",
          `/api/v1/buckets/${selectedBucket}/lifecycle/${lifecycleRule.id}`,
          lifecycleUpdate
        )
        .then((res) => {
          setAddLoading(false);
          closeModalAndRefresh(true);
        })
        .catch((err: ErrorResponseHandler) => {
          setAddLoading(false);
          dispatch(setModalErrorSnackMessage(err));
        });
    }
  };

  return (
    <ModalWrapper
      onClose={() => {
        closeModalAndRefresh(false);
      }}
      modalOpen={open}
      title={"Edit Lifecycle Configuration"}
      titleIcon={<LifecycleConfigIcon />}
    >
      <form
        noValidate
        autoComplete="off"
        onSubmit={(e: React.FormEvent<HTMLFormElement>) => {
          saveRecord(e);
        }}
      >
        <Grid container>
          <Grid item xs={12} className={classes.formScrollable}>
            <Grid container spacing={1}>
              <Grid item xs={12}>
                <InputBoxWrapper
                  id="id"
                  name="id"
                  label="Id"
                  value={lifecycleRule.id}
                  onChange={() => {}}
                  disabled
                />
              </Grid>
              <Grid item xs={12}>
                <FormSwitchWrapper
                  label="Status"
                  indicatorLabels={["Enabled", "Disabled"]}
                  checked={enabled}
                  value={"user_enabled"}
                  id="rule_status"
                  name="rule_status"
                  onChange={(e) => {
                    setEnabled(e.target.checked);
                  }}
                />
              </Grid>
              <Grid item xs={12}>
                <RadioGroupSelector
                  currentSelection={ilmType}
                  id="rule_type"
                  name="rule_type"
                  label="Rule Type"
                  selectorOptions={[
                    { value: "expiry", label: "Expiry" },
                    { value: "transition", label: "Transition" },
                  ]}
                  onChange={() => {}}
                  disableOptions
                />
              </Grid>
              {ilmType === "expiry" && lifecycleRule.expiration?.days && (
                <Grid item xs={12}>
                  <InputBoxWrapper
                    type="number"
                    id="expiry_days"
                    name="expiry_days"
                    onChange={(e: React.ChangeEvent<HTMLInputElement>) => {
                      setExpiryDays(e.target.value);
                    }}
                    label="Expiry Days"
                    value={expiryDays}
                    min="0"
                  />
                </Grid>
              )}

              {ilmType === "expiry" &&
                lifecycleRule.expiration?.noncurrent_expiration_days && (
                  <Grid item xs={12}>
                    <InputBoxWrapper
                      type="number"
                      id="noncurrentversion_expiration_days"
                      name="noncurrentversion_expiration_days"
                      onChange={(e: React.ChangeEvent<HTMLInputElement>) => {
                        setNCExpirationDays(e.target.value);
                      }}
                      label="Non-current Expiration Days"
                      value={NCExpirationDays}
                      min="0"
                    />
                  </Grid>
                )}
              {ilmType === "transition" && lifecycleRule.transition?.days && (
                <Fragment>
                  <Grid item xs={12}>
                    <InputBoxWrapper
                      type="number"
                      id="transition_days"
                      name="transition_days"
                      onChange={(e: React.ChangeEvent<HTMLInputElement>) => {
                        setTransitionDays(e.target.value);
                      }}
                      label="Transition Days"
                      value={transitionDays}
                      min="0"
                    />
                  </Grid>

                  <Grid item xs={12}>
                    <SelectWrapper
                      label="Storage Class"
                      id="storage_class"
                      name="storage_class"
                      value={storageClass}
                      onChange={(e: SelectChangeEvent<string>) => {
                        setStorageClass(e.target.value as string);
                      }}
                      options={tiersList}
                    />
                  </Grid>
                </Fragment>
              )}

              {ilmType === "transition" &&
                lifecycleRule.transition?.noncurrent_transition_days && (
                  <Fragment>
                    <Grid item xs={12}>
                      <InputBoxWrapper
                        type="number"
                        id="noncurrentversion_transition_days"
                        name="noncurrentversion_transition_days"
                        onChange={(e: React.ChangeEvent<HTMLInputElement>) => {
                          setNCTransitionDays(e.target.value);
                        }}
                        label="Non-current Transition Days"
                        value={NCTransitionDays}
                        min="0"
                      />
                    </Grid>

                    <Grid item xs={12}>
                      <InputBoxWrapper
                        id="noncurrentversion_t_SC"
                        name="noncurrentversion_t_SC"
                        onChange={(e: React.ChangeEvent<HTMLInputElement>) => {
                          setNCTransitionSC(e.target.value);
                        }}
                        placeholder="Set Non-current Version Transition Storage Class"
                        label="Non-current Version Transition Storage Class"
                        value={NCTransitionSC}
                      />
                    </Grid>
                  </Fragment>
                )}
              <Grid item xs={12} className={classes.formFieldRowAccordion}>
                <Accordion>
                  <AccordionSummary>
                    <Typography>Filters</Typography>
                  </AccordionSummary>

                  <AccordionDetails>
                    <Grid item xs={12}>
                      <InputBoxWrapper
                        id="prefix"
                        name="prefix"
                        onChange={(e: React.ChangeEvent<HTMLInputElement>) => {
                          setPrefix(e.target.value);
                        }}
                        label="Prefix"
                        value={prefix}
                      />
                    </Grid>
                    <Grid item xs={12}>
                      <QueryMultiSelector
                        name="tags"
                        label="Tags"
                        elements={tags}
                        onChange={(vl: string) => {
                          setTags(vl);
                        }}
                        keyPlaceholder="Tag Key"
                        valuePlaceholder="Tag Value"
                        withBorder
                      />
                    </Grid>
                  </AccordionDetails>
                </Accordion>
              </Grid>
              {ilmType === "expiry" &&
                lifecycleRule.expiration?.noncurrent_expiration_days && (
                  <Grid item xs={12} className={classes.formFieldRowAccordion}>
                    <Accordion>
                      <AccordionSummary>
                        <Typography>Advanced</Typography>
                      </AccordionSummary>

                      <AccordionDetails>
                        <Grid item xs={12}>
                          <FormSwitchWrapper
                            value="expired_delete_marker"
                            id="expired_delete_marker"
                            name="expired_delete_marker"
                            checked={expiredObjectDM}
                            onChange={(
                              event: React.ChangeEvent<HTMLInputElement>
                            ) => {
                              setExpiredObjectDM(event.target.checked);
                            }}
                            label={"Expired Object Delete Marker"}
                          />
                        </Grid>
                      </AccordionDetails>
                    </Accordion>
                  </Grid>
                )}
            </Grid>
          </Grid>
          <Grid item xs={12} className={classes.modalButtonBar}>
            <Button
              type="button"
              variant="outlined"
              color="primary"
              disabled={addLoading}
              onClick={() => {
                closeModalAndRefresh(false);
              }}
            >
              Cancel
            </Button>
            <Button
              type="submit"
              variant="contained"
              color="primary"
              disabled={addLoading || !isFormValid}
            >
              Save
            </Button>
          </Grid>
          {addLoading && (
            <Grid item xs={12}>
              <LinearProgress />
            </Grid>
          )}
        </Grid>
      </form>
    </ModalWrapper>
  );
};

export default withStyles(styles)(EditLifecycleConfiguration);
