import {
    FileText,
    Hash,
    Calendar,
    User,
    Car,
    Building2,
    Shield,
    Tag,
    MessageSquare,
} from "lucide-react"
import {
    Card,
    CardContent,
    CardHeader,
    CardTitle,
} from "@/shared/components/ui/card"
import { Badge } from "@/shared/components/ui/badge"
import { formatDate } from "@/shared/utils/formatters"

type EstimateData = {
    id?: number
    title?: string
    estimate_number?: string
    date?: string
    customer_id?: number
    vehicle_id?: number
    department_id?: number
    has_insurance?: boolean
    enable_digital_authorisation?: boolean
    insurance_type_id?: string | number | null
    insurer_id?: string | number | null
    service_writer_id?: number
    footer?: string | null
    created_at?: string
    updated_at?: string
    labels?: {
        id?: number
        title?: string
        color_code?: string
    }[]
    customer_remarks?: {
        id?: number
        remark?: string
        created_at?: string
    }[]
    // Nested relation objects from the API
    customer?: { id?: number; first_name?: string; last_name?: string }
    vehicle?: { id?: number; registration_number?: string; make?: string; model?: string }
    department?: { id?: number; name?: string }
    insurance_type?: { id?: number; title?: string }
    insurer?: { id?: number; first_name?: string; last_name?: string }
    service_writer?: { id?: number; first_name?: string; last_name?: string }
}

type EstimateGeneralInfoProps = {
    estimate: EstimateData
}

function InfoItem({
    icon: Icon,
    label,
    value,
}: {
    icon: React.ComponentType<{ className?: string }>
    label: string
    value?: string | null
}) {
    return (
        <div className="flex items-start gap-3">
            <div className="flex size-9 shrink-0 items-center justify-center rounded-lg bg-muted text-muted-foreground">
                <Icon className="size-4" />
            </div>
            <div className="flex flex-col gap-0.5">
                <span className="text-xs text-muted-foreground">{label}</span>
                <span className="text-sm font-medium">
                    {value || <span className="text-muted-foreground">—</span>}
                </span>
            </div>
        </div>
    )
}

export function EstimateGeneralInfo({ estimate }: EstimateGeneralInfoProps) {
    return (
        <div className="grid gap-6 md:grid-cols-2">
            <div className="col-span-2">
                   <div className="flex flex-wrap gap-2">
                            {estimate?.labels?.map((label) => (
                                <Badge
                                    key={label.id}
                                    style={label.color_code ? { backgroundColor: label.color_code } : undefined}
                                >
                                    {label.title}
                                </Badge>
                            ))}
                        </div>
            </div>
            <Card>
                <CardHeader>
                    <CardTitle className="flex items-center gap-2">
                        <FileText className="size-4" /> Estimate Details
                    </CardTitle>
                </CardHeader>
                <CardContent className="grid gap-4">
                    <div className="grid gap-4 sm:grid-cols-2">
                        <InfoItem icon={FileText} label="Title" value={estimate.title} />
                        <InfoItem icon={Hash} label="Estimate #" value={estimate.estimate_number} />
                    </div>
                    <div className="grid gap-4 sm:grid-cols-2">
                        <InfoItem icon={Calendar} label="Date" value={formatDate(estimate.date)} />
                        <InfoItem
                            icon={Shield}
                            label="Insurance"
                            value={estimate.has_insurance ? "Yes" : "No"}
                        />
                    </div>
                    <InfoItem
                        icon={Calendar}
                        label="Created"
                        value={
                            estimate.created_at
                                ? new Date(estimate.created_at).toLocaleDateString()
                                : null
                        }
                    />
                </CardContent>
            </Card>

            <Card>
                <CardHeader>
                    <CardTitle className="flex items-center gap-2">
                        <User className="size-4" /> Related Records
                    </CardTitle>
                </CardHeader>
                <CardContent className="grid gap-4">
                    <InfoItem
                        icon={User}
                        label="Customer"
                        value={
                            estimate.customer
                                ? `${estimate.customer.first_name ?? ""} ${estimate.customer.last_name ?? ""}`.trim()
                                : estimate.customer_id ? `#${estimate.customer_id}` : null
                        }
                    />
                    <InfoItem
                        icon={Car}
                        label="Vehicle"
                        value={
                            estimate.vehicle
                                ? `${estimate.vehicle.make ?? ""} ${estimate.vehicle.model ?? ""} ${(estimate as any).vehicle.year ?? ''}`.trim()
                                : estimate.vehicle_id ? `#${estimate.vehicle_id}` : null
                        }
                    />
                    <InfoItem
                        icon={Building2}
                        label="Department"
                        value={estimate.department?.name ?? (estimate.department_id ? `#${estimate.department_id}` : null)}
                    />
                    <InfoItem
                        icon={Shield}
                        label="Insurance Type"
                        value={estimate.insurance_type?.title ?? null}
                    />
                    <InfoItem
                        icon={User}
                        label="Service Writer"
                        value={
                            estimate.service_writer
                                ? `${estimate.service_writer.first_name ?? ""} ${estimate.service_writer.last_name ?? ""}`.trim()
                                : null
                        }
                    />
                </CardContent>
            </Card>

 

            {estimate.customer_remarks && estimate.customer_remarks.length > 0 && (
                <Card>
                    <CardHeader>
                        <CardTitle className="flex items-center gap-2">
                            <MessageSquare className="size-4" /> Customer Remarks
                        </CardTitle>
                    </CardHeader>
                    <CardContent className="grid gap-3">
                        {estimate.customer_remarks.map((remark) => (
                            <div key={remark.id} className="rounded-md border p-3 text-sm">
                                <p>{remark.remark}</p>
                                {remark.created_at && (
                                    <p className="mt-1 text-xs text-muted-foreground">
                                        {new Date(remark.created_at).toLocaleDateString()}
                                    </p>
                                )}
                            </div>
                        ))}
                    </CardContent>
                </Card>
            )}

            {estimate.footer && (
                <Card className="md:col-span-2">
                    <CardHeader>
                        <CardTitle className="flex items-center gap-2">
                            <FileText className="size-4" /> Footer
                        </CardTitle>
                    </CardHeader>
                    <CardContent>
                        <p className="text-sm">{estimate.footer}</p>
                    </CardContent>
                </Card>
            )}
        </div>
    )
}