import { RoleEmploymentFields } from "@/components/employees/RoleEmploymentFields";
import { SelectField, TextField } from "@/components/ui/Field";
import { HAY_GRADES } from "@/lib/hay-grade";
import type { PaygradeType } from "@/lib/types";
import type { HireDraftData } from "./types";

export function StepVertrag({ draft, update }: { draft: HireDraftData; update: (patch: Partial<HireDraftData>) => void }) {
  function handleEmploymentTypeChange(value: HireDraftData["employmentType"]) {
    update({
      employmentType: value,
      weeklyHours: value === "Vollzeit" ? "38.5" : draft.weeklyHours === "38.5" ? "20" : draft.weeklyHours,
    });
  }

  return (
    <div className="flex flex-col gap-4">
      <div className="grid grid-cols-1 gap-3 sm:grid-cols-2">
        <TextField label="Eintrittsdatum" required type="date" value={draft.entryDate} onChange={(entryDate) => update({ entryDate })} />
        <SelectField
          label="Vertragsart"
          value={draft.contractType}
          onChange={(v) => update({ contractType: v as HireDraftData["contractType"] })}
          options={[
            { value: "unbefristet", label: "unbefristet" },
            { value: "befristet", label: "befristet" },
          ]}
        />
      </div>
      {draft.contractType === "befristet" && (
        <TextField
          label="Befristet bis"
          required
          type="date"
          value={draft.contractEndDate}
          onChange={(contractEndDate) => update({ contractEndDate })}
        />
      )}
      <div className="grid grid-cols-1 gap-3 sm:grid-cols-2">
        <SelectField
          label="Beschäftigungsausmaß"
          value={draft.employmentType}
          onChange={(v) => handleEmploymentTypeChange(v as HireDraftData["employmentType"])}
          options={[
            { value: "Vollzeit", label: "Vollzeit" },
            { value: "Teilzeit", label: "Teilzeit" },
          ]}
        />
        <TextField
          label="Wochenstunden"
          type="number"
          step="0.5"
          value={draft.weeklyHours}
          disabled={draft.employmentType === "Vollzeit"}
          onChange={(weeklyHours) => update({ weeklyHours })}
        />
      </div>
      <SelectField
        label="Hay-Grade"
        required
        value={draft.paygrade}
        onChange={(v) => update({ paygrade: v as PaygradeType })}
        options={HAY_GRADES}
      />
      <p className="text-xs text-ink-muted">Es gilt eine Probezeit von 1 Monat gemäß Kollektivvertrag.</p>

      <div>
        <h3 className="mb-3 text-sm font-bold text-ink">Rolle & Anstellung</h3>
        <RoleEmploymentFields value={draft} onChange={update} />
      </div>
    </div>
  );
}