'use client'

import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card'
import { Input } from '@/components/ui/input'
import { Label } from '@/components/ui/label'
import { Switch } from '@/components/ui/switch'
import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/select'

type DeliberationConfigProps = {
  config: Record<string, unknown>
  onChange: (config: Record<string, unknown>) => void
  juryGroups?: Array<{ id: string; name: string }>
}

export function DeliberationConfig({ config, onChange, juryGroups }: DeliberationConfigProps) {
  const update = (key: string, value: unknown) => {
    onChange({ ...config, [key]: value })
  }

  return (
    <div className="space-y-6">
      {/* Jury Group Selection */}
      <Card>
        <CardHeader>
          <CardTitle className="text-base">Deliberation Jury</CardTitle>
          <CardDescription>Which jury group participates in this deliberation round</CardDescription>
        </CardHeader>
        <CardContent className="space-y-4">
          <div className="space-y-2">
            <Label htmlFor="juryGroupId">Jury Group</Label>
            <p className="text-xs text-muted-foreground">
              The jury group that will cast votes during deliberation
            </p>
            {juryGroups && juryGroups.length > 0 ? (
              <Select
                value={(config.juryGroupId as string) ?? ''}
                onValueChange={(v) => update('juryGroupId', v)}
              >
                <SelectTrigger id="juryGroupId" className="w-72">
                  <SelectValue placeholder="Select a jury group" />
                </SelectTrigger>
                <SelectContent>
                  {juryGroups.map((g) => (
                    <SelectItem key={g.id} value={g.id}>{g.name}</SelectItem>
                  ))}
                </SelectContent>
              </Select>
            ) : (
              <p className="text-sm text-muted-foreground italic">
                No jury groups available. Create one in the Juries section first.
              </p>
            )}
          </div>
        </CardContent>
      </Card>

      {/* Voting Settings */}
      <Card>
        <CardHeader>
          <CardTitle className="text-base">Voting Settings</CardTitle>
          <CardDescription>How deliberation votes are structured</CardDescription>
        </CardHeader>
        <CardContent className="space-y-4">
          <div className="space-y-2">
            <Label htmlFor="mode">Deliberation Mode</Label>
            <p className="text-xs text-muted-foreground">How the final decision is made</p>
            <Select
              value={(config.mode as string) ?? 'SINGLE_WINNER_VOTE'}
              onValueChange={(v) => update('mode', v)}
            >
              <SelectTrigger id="mode" className="w-64">
                <SelectValue />
              </SelectTrigger>
              <SelectContent>
                <SelectItem value="SINGLE_WINNER_VOTE">Single Winner Vote</SelectItem>
                <SelectItem value="FULL_RANKING">Full Ranking</SelectItem>
              </SelectContent>
            </Select>
          </div>

          <div className="grid gap-4 sm:grid-cols-2">
            <div className="space-y-2">
              <Label htmlFor="votingDuration">Voting Duration (min)</Label>
              <p className="text-xs text-muted-foreground">Time limit for voting round</p>
              <Input
                id="votingDuration"
                type="number"
                min={1}
                className="w-32"
                value={(config.votingDuration as number) ?? 60}
                onChange={(e) => update('votingDuration', parseInt(e.target.value, 10) || 60)}
              />
            </div>
            <div className="space-y-2">
              <Label htmlFor="topN">Top N Projects</Label>
              <p className="text-xs text-muted-foreground">Number of finalists to select</p>
              <Input
                id="topN"
                type="number"
                min={1}
                className="w-32"
                value={(config.topN as number) ?? 3}
                onChange={(e) => update('topN', parseInt(e.target.value, 10) || 3)}
              />
            </div>
          </div>

          <div className="space-y-2">
            <Label htmlFor="tieBreakMethod">Tie Break Method</Label>
            <Select
              value={(config.tieBreakMethod as string) ?? 'ADMIN_DECIDES'}
              onValueChange={(v) => update('tieBreakMethod', v)}
            >
              <SelectTrigger id="tieBreakMethod" className="w-64">
                <SelectValue />
              </SelectTrigger>
              <SelectContent>
                <SelectItem value="ADMIN_DECIDES">Admin Decides</SelectItem>
                <SelectItem value="RUNOFF">Runoff Vote</SelectItem>
                <SelectItem value="SCORE_FALLBACK">Score Fallback (use prior scores)</SelectItem>
              </SelectContent>
            </Select>
          </div>
        </CardContent>
      </Card>

      {/* Visibility & Overrides */}
      <Card>
        <CardHeader>
          <CardTitle className="text-base">Visibility & Overrides</CardTitle>
          <CardDescription>What information jurors can see during deliberation</CardDescription>
        </CardHeader>
        <CardContent className="space-y-4">
          <div className="flex items-center justify-between">
            <div>
              <Label htmlFor="showCollectiveRankings">Show Collective Rankings</Label>
              <p className="text-xs text-muted-foreground">Display aggregate rankings to jurors during voting</p>
            </div>
            <Switch
              id="showCollectiveRankings"
              checked={(config.showCollectiveRankings as boolean) ?? false}
              onCheckedChange={(v) => update('showCollectiveRankings', v)}
            />
          </div>

          <div className="flex items-center justify-between">
            <div>
              <Label htmlFor="showPriorJuryData">Show Prior Jury Data</Label>
              <p className="text-xs text-muted-foreground">Display evaluation scores from previous rounds</p>
            </div>
            <Switch
              id="showPriorJuryData"
              checked={(config.showPriorJuryData as boolean) ?? false}
              onCheckedChange={(v) => update('showPriorJuryData', v)}
            />
          </div>

          <div className="flex items-center justify-between">
            <div>
              <Label htmlFor="allowAdminOverride">Allow Admin Override</Label>
              <p className="text-xs text-muted-foreground">Admin can override deliberation results</p>
            </div>
            <Switch
              id="allowAdminOverride"
              checked={(config.allowAdminOverride as boolean) ?? true}
              onCheckedChange={(v) => update('allowAdminOverride', v)}
            />
          </div>
        </CardContent>
      </Card>
    </div>
  )
}
