Files
road-monitoring-ui/src/components/project-selection-section.tsx

525 lines
16 KiB
TypeScript

'use client';
import { useState, useEffect, useRef } from 'react';
import {
Card,
CardContent,
CardDescription,
CardHeader,
CardTitle,
} from '@/components/ui/card';
import { Button } from '@/components/ui/button';
import { Label } from '@/components/ui/label';
import {
Select,
SelectContent,
SelectItem,
SelectTrigger,
SelectValue,
} from '@/components/ui/select';
import { Loader2, Check, ArrowUp, ArrowDown } from 'lucide-react';
import {
projectService,
packageService,
chainageService,
} from '@/services/api';
import {
Project,
Package as PackageType,
Chainage,
SessionContext,
} from '@/types';
import { cn } from '@/lib/utils';
type ProjectSelectionSectionProps = {
onSelectionComplete?: (session: SessionContext) => void;
onSelectionChange?: (session: SessionContext | null) => void;
asStep?: boolean;
hideButton?: boolean;
};
let globalProjectsCache: Project[] | null = null;
let projectsPromise: Promise<Project[]> | null = null;
export function ProjectSelectionSection({
onSelectionComplete,
onSelectionChange,
asStep = false,
hideButton = false,
}: ProjectSelectionSectionProps) {
// Data states
const [projects, setProjects] = useState<Project[]>(
globalProjectsCache || [],
);
const [packages, setPackages] = useState<PackageType[]>([]);
const [chainages, setChainages] = useState<Chainage[]>([]);
// Selection states
const [selectedProject, setSelectedProject] = useState<Project | null>(null);
const [selectedPackage, setSelectedPackage] = useState<PackageType | null>(
null,
);
const [selectedChainage, setSelectedChainage] = useState<Chainage | null>(
null,
);
// Loading states
const [loadingProjects, setLoadingProjects] = useState(!globalProjectsCache);
const [loadingPackages, setLoadingPackages] = useState(false);
const [loadingChainages, setLoadingChainages] = useState(false);
// Error state
const [error, setError] = useState<string | null>(null);
// Load projects on mount
useEffect(() => {
let isMounted = true;
const loadProjects = async () => {
// Use cache if we already have it
if (globalProjectsCache) {
if (isMounted) {
setProjects(globalProjectsCache);
setLoadingProjects(false);
}
return;
}
// If a fetch is already in flight, reuse that promise
if (!projectsPromise) {
projectsPromise = projectService
.getProjects()
.then((data) => {
globalProjectsCache = data.items;
return data.items;
})
.catch((err) => {
projectsPromise = null; // Reset on error to allow retry
throw err;
});
}
try {
setLoadingProjects(true);
const data = await projectsPromise;
if (isMounted) {
setProjects(data);
}
} catch (err) {
if (isMounted) {
setError('Failed to load projects. Please check connection.');
}
} finally {
if (isMounted) {
setLoadingProjects(false);
}
}
};
loadProjects();
return () => {
isMounted = false;
};
}, []);
// Load packages when project changes
useEffect(() => {
if (!selectedProject) {
setPackages([]);
setSelectedPackage(null);
return;
}
let isMounted = true;
const loadPackages = async () => {
try {
setLoadingPackages(true);
setError(null);
setSelectedPackage(null);
setSelectedChainage(null);
setChainages([]);
const data = await packageService.getPackagesByProject(
selectedProject.id,
);
if (isMounted) {
setPackages(data.items);
}
} catch (err) {
if (isMounted) {
console.error('Failed to load packages:', err);
setError('Failed to load packages for the selected project.');
}
} finally {
if (isMounted) {
setLoadingPackages(false);
}
}
};
loadPackages();
return () => {
isMounted = false;
};
}, [selectedProject]);
// Load chainages when package changes
useEffect(() => {
if (!selectedPackage) {
setChainages([]);
setSelectedChainage(null);
return;
}
let isMounted = true;
const loadChainages = async () => {
try {
setLoadingChainages(true);
setError(null);
setSelectedChainage(null);
const data = await chainageService.getChainagesByPackage(
selectedPackage.id,
);
if (isMounted) {
setChainages(data.items);
}
} catch (err) {
if (isMounted) {
console.error('Failed to load chainages:', err);
setError('Failed to load segments for the selected package.');
}
} finally {
if (isMounted) {
setLoadingChainages(false);
}
}
};
loadChainages();
return () => {
isMounted = false;
};
}, [selectedPackage]);
const handleProjectChange = (projectId: string) => {
const project = projects.find((p) => p.id === projectId) || null;
setSelectedProject(project);
};
const handlePackageChange = (packageId: string) => {
const pkg = packages.find((p) => p.id === packageId) || null;
setSelectedPackage(pkg);
};
const handleChainageChange = (chainageId: string) => {
const chainage = chainages.find((chn) => chn.id === chainageId) || null;
setSelectedChainage(chainage);
};
// Cache the last reported state to prevent infinite loops
const lastReportedIdRef = useRef<string | null>(null);
// Handle change reporting
useEffect(() => {
if (onSelectionChange) {
const currentIds =
selectedProject && selectedPackage && selectedChainage
? `${selectedProject.id}-${selectedPackage.id}-${selectedChainage.id}`
: null;
if (currentIds !== lastReportedIdRef.current) {
lastReportedIdRef.current = currentIds;
if (selectedProject && selectedPackage && selectedChainage) {
onSelectionChange({
projectId: selectedProject.id,
projectName: selectedProject.name,
packageId: selectedPackage.id,
packageName: selectedPackage.name,
chainageId: selectedChainage.id,
chainageName: selectedChainage.segment_name,
chainageDirection: selectedChainage.direction,
});
} else {
onSelectionChange(null);
}
}
}
}, [selectedProject, selectedPackage, selectedChainage, onSelectionChange]);
const handleProceed = () => {
if (
selectedProject &&
selectedPackage &&
selectedChainage &&
onSelectionComplete
) {
onSelectionComplete({
projectId: selectedProject.id,
projectName: selectedProject.name,
packageId: selectedPackage.id,
packageName: selectedPackage.name,
chainageId: selectedChainage.id,
chainageName: selectedChainage.segment_name,
chainageDirection: selectedChainage.direction,
});
}
};
const isComplete = selectedProject && selectedPackage && selectedChainage;
// Step status helpers
const getStepStatus = (step: number) => {
if (step === 1) return selectedProject ? 'completed' : 'active';
if (step === 2)
return selectedPackage
? 'completed'
: selectedProject
? 'active'
: 'pending';
if (step === 3)
return selectedChainage
? 'completed'
: selectedPackage
? 'active'
: 'pending';
return 'pending';
};
const content = (
<>
{/* Error Display */}
{error && (
<div className="p-4 rounded-md bg-destructive/10 border border-destructive/20 text-destructive text-sm mb-6">
{error}
</div>
)}
<div className="grid grid-cols-1 md:grid-cols-3 gap-6 mb-8">
{/* Project Dropdown */}
<div className="space-y-2">
<Label htmlFor="project" className="text-sm font-semibold">
Project
</Label>
<Select
value={selectedProject?.id || ''}
onValueChange={handleProjectChange}
disabled={loadingProjects}
>
<SelectTrigger id="project" className="h-11">
{loadingProjects ? (
<div className="flex items-center gap-2">
<Loader2 className="h-4 w-4 animate-spin" />
<span>Loading...</span>
</div>
) : (
<SelectValue placeholder="Select project" />
)}
</SelectTrigger>
<SelectContent>
{projects.map((project) => (
<SelectItem key={project.id} value={project.id}>
{project.name}
</SelectItem>
))}
</SelectContent>
</Select>
</div>
{/* Package Dropdown */}
<div className="space-y-2">
<Label htmlFor="package" className="text-sm font-semibold">
Package
</Label>
<Select
value={selectedPackage?.id || ''}
onValueChange={handlePackageChange}
disabled={!selectedProject || loadingPackages}
>
<SelectTrigger id="package" className="h-11">
{loadingPackages ? (
<div className="flex items-center gap-2">
<Loader2 className="h-4 w-4 animate-spin" />
<span>Loading...</span>
</div>
) : (
<SelectValue
placeholder={
selectedProject ? 'Select package' : 'Select project first'
}
/>
)}
</SelectTrigger>
<SelectContent>
{packages.map((pkg) => (
<SelectItem key={pkg.id} value={pkg.id}>
{pkg.name}
</SelectItem>
))}
</SelectContent>
</Select>
</div>
{/* Chainage Dropdown */}
<div className="space-y-2">
<Label htmlFor="chainage" className="text-sm font-semibold">
Segment
</Label>
<Select
value={selectedChainage?.id || ''}
onValueChange={handleChainageChange}
disabled={!selectedPackage || loadingChainages}
>
<SelectTrigger id="chainage" className="h-11">
{loadingChainages ? (
<div className="flex items-center gap-2">
<Loader2 className="h-4 w-4 animate-spin" />
<span>Loading...</span>
</div>
) : (
<SelectValue
placeholder={
selectedPackage ? 'Select segment' : 'Select package first'
}
/>
)}
</SelectTrigger>
<SelectContent>
{chainages.map((chn) => (
<SelectItem key={chn.id} value={chn.id}>
<div className="flex flex-col gap-0.5 py-0.5">
<span className="font-semibold text-sm">
{chn.segment_name}
</span>
<div className="flex items-center gap-2 text-[10px] text-muted-foreground font-medium">
<span>
{chn.chainage_start_km}-{chn.chainage_end_km} km
</span>
<span className="h-2.5 w-px bg-border" />
<span className="flex items-center gap-1 uppercase">
{chn.direction === 'UP' ? (
<ArrowUp className="h-2.5 w-2.5" />
) : (
<ArrowDown className="h-2.5 w-2.5" />
)}
{chn.direction}
</span>
</div>
</div>
</SelectItem>
))}
</SelectContent>
</Select>
</div>
</div>
{/* Selected Summary - Only if not asStep or if specifically desired */}
{!asStep && isComplete && (
<div className="px-4 py-3 rounded-md bg-secondary/50 border text-sm mb-8">
<div className="flex items-center gap-2 flex-wrap text-muted-foreground">
<span className="font-semibold text-foreground">Selection:</span>
<span className="text-foreground">{selectedProject?.name}</span>
<span>/</span>
<span className="text-foreground">{selectedPackage?.name}</span>
<span>/</span>
<span className="text-foreground flex items-center gap-1.5">
{selectedChainage?.segment_name}
<span className="inline-flex items-center gap-1 px-1.5 py-0.5 rounded bg-muted text-[10px] font-bold uppercase border">
{selectedChainage?.direction === 'UP' ? (
<ArrowUp className="h-2.5 w-2.5" />
) : (
<ArrowDown className="h-2.5 w-2.5" />
)}
{selectedChainage?.direction}
</span>
</span>
</div>
</div>
)}
{/* Proceed Button */}
{!hideButton && (
<Button
onClick={handleProceed}
disabled={!isComplete}
className="w-full h-14 text-base font-bold uppercase tracking-wider"
size="lg"
>
{isComplete ? 'Proceed to Upload' : 'Select all fields to proceed'}
</Button>
)}
</>
);
if (asStep) {
return content;
}
return (
<Card className="overflow-hidden">
<CardHeader className="pb-6">
<div className="flex flex-col gap-6">
<div>
<CardTitle className="text-2xl font-bold">
Select Project Segment
</CardTitle>
<CardDescription className="mt-2 text-base">
Select Project, Package & Segment to begin intelligent road
analysis.
</CardDescription>
</div>
{/* Step Progress Indicator */}
<div className="flex items-center justify-center pt-2">
{[1, 2, 3].map((step, index) => {
const status = getStepStatus(step);
const labels = ['Project', 'Package', 'Segment'];
return (
<div key={step} className="flex items-center">
<div className="flex flex-col items-center">
<div
className={cn(
'w-10 h-10 rounded-full flex items-center justify-center text-sm font-semibold transition-all',
status === 'completed'
? 'bg-primary text-primary-foreground'
: status === 'active'
? 'bg-primary text-primary-foreground ring-4 ring-primary/10'
: 'bg-muted text-muted-foreground',
)}
>
{status === 'completed' ? (
<Check className="h-5 w-5" />
) : (
step
)}
</div>
<span
className={cn(
'text-xs mt-2 font-medium',
status === 'pending'
? 'text-muted-foreground/60'
: 'text-foreground',
)}
>
{labels[index]}
</span>
</div>
{index < 2 && (
<div
className={cn(
'w-16 h-0.5 mx-2 mb-6 rounded-full',
getStepStatus(step + 1) !== 'pending'
? 'bg-primary'
: 'bg-border',
)}
/>
)}
</div>
);
})}
</div>
</div>
</CardHeader>
<CardContent className="pt-0">{content}</CardContent>
</Card>
);
}