/*==========================================================
AI Detective Game
Day 25 - 30 Days 30 AI Websites Challenge
script.js
==========================================================*/

const generateBtn = document.getElementById("generateBtn");
const solveBtn = document.getElementById("solveBtn");
const restartBtn = document.getElementById("restartBtn");

const caseTitle = document.getElementById("caseTitle");
const caseStory = document.getElementById("caseStory");

const evidenceContainer = document.getElementById("evidenceContainer");
const suspectContainer = document.getElementById("suspectContainer");

const suspectSelect = document.getElementById("suspectSelect");

const resultBox = document.getElementById("resultBox");
const resultContent = document.getElementById("resultContent");

let currentCase = null;

/*==========================================================
DATABASE
==========================================================*/

const cases = [

{

title:"The Museum Diamond Heist",

story:"The priceless Aurora Diamond disappeared during a private exhibition. Security systems never detected an intruder, yet the display case was empty the next morning.",

victim:"Museum Trust",

suspects:[

{
name:"Emma Carter",
role:"Security Guard",
motive:"Large gambling debt.",
statement:"I never left my security station."
},

{
name:"Lucas Reed",
role:"Curator",
motive:"Wanted insurance money.",
statement:"Everything was normal during closing."
},

{
name:"Sophia Blake",
role:"Journalist",
motive:"Looking for a career-changing story.",
statement:"I left before the museum closed."
},

{
name:"Oliver Grant",
role:"Electrician",
motive:"Needed money urgently.",
statement:"I only repaired the lighting."
}

],

evidence:[

"Hidden fingerprint on display glass",

"Security camera disabled for exactly 4 minutes",

"Fresh muddy footprints",

"Broken display lock",

"Anonymous threatening letter"

],

criminal:1,

reason:"Lucas Reed secretly disabled the security system, staged the theft for insurance money, and possessed detailed knowledge of the display lock."

},

{

title:"Luxury Hotel Murder",

story:"A famous businessman was found dead inside a luxury hotel suite. Every suspect claims they were somewhere else when the incident happened.",

victim:"Daniel Brooks",

suspects:[

{
name:"Grace Wilson",
role:"Business Partner",
motive:"Wanted company ownership.",
statement:"I was attending dinner."
},

{
name:"Noah Turner",
role:"Hotel Manager",
motive:"Hidden financial fraud.",
statement:"I was helping guests."
},

{
name:"Ethan Clark",
role:"Chef",
motive:"Personal revenge.",
statement:"I never entered the suite."
},

{
name:"Ava Scott",
role:"Assistant",
motive:"Blackmailed by victim.",
statement:"I stayed in my office."
}

],

evidence:[

"Poisoned wine glass",

"Deleted phone messages",

"Hotel master key used",

"Financial documents",

"Broken wristwatch"

],

criminal:3,

reason:"Ava Scott secretly entered using the master key and poisoned the victim after months of blackmail."

},

{

title:"University Exam Leak",

story:"The final examination paper was leaked online hours before the exam. The administration needs the culprit identified immediately.",

victim:"University Examination Board",

suspects:[

{
name:"Professor Ryan",
role:"Course Coordinator",
motive:"Protect department ranking.",
statement:"The papers were locked safely."
},

{
name:"Mia Patel",
role:"Teaching Assistant",
motive:"Needed extra income.",
statement:"I only printed attendance sheets."
},

{
name:"David Lee",
role:"IT Administrator",
motive:"Wanted revenge after suspension.",
statement:"I fixed network issues."
},

{
name:"Sarah Kim",
role:"Student Representative",
motive:"Help classmates.",
statement:"I had no access."
}

],

evidence:[

"USB drive found",

"Printer activity at midnight",

"Server login history",

"Anonymous email",

"Security door logs"

],

criminal:2,

reason:"David Lee used administrator access to copy the examination files and anonymously upload them."

}

];


/*==========================================================
GENERATE CASE
==========================================================*/

generateBtn.addEventListener("click",generateCase);

restartBtn.addEventListener("click",generateCase);

function generateCase(){

resultBox.classList.add("hidden");

const random=Math.floor(Math.random()*cases.length);

currentCase=cases[random];

caseTitle.textContent=currentCase.title;

caseStory.innerHTML=
`
<strong>Incident:</strong><br><br>

${currentCase.story}
`;

renderEvidence();

renderSuspects();

fillSelect();

window.scrollTo({

top:0,
behavior:"smooth"

});

}


/*==========================================================
EVIDENCE
==========================================================*/

function renderEvidence(){

evidenceContainer.innerHTML="";

currentCase.evidence.forEach(item=>{

const card=document.createElement("div");

card.className="card";

card.innerHTML=`

<h3>Evidence</h3>

<p>${item}</p>

`;

evidenceContainer.appendChild(card);

});

}


/*==========================================================
SUSPECTS
==========================================================*/

function renderSuspects(){

suspectContainer.innerHTML="";

currentCase.suspects.forEach(person=>{

const card=document.createElement("div");

card.className="card";

card.innerHTML=`

<h3>${person.name}</h3>

<p><strong>Role:</strong> ${person.role}</p>

<br>

<p><strong>Motive:</strong> ${person.motive}</p>

<br>

<p><strong>Statement:</strong><br>${person.statement}</p>

`;

suspectContainer.appendChild(card);

});

}


/*==========================================================
SELECT
==========================================================*/

function fillSelect(){

suspectSelect.innerHTML="";

const defaultOption=document.createElement("option");

defaultOption.textContent="Select Suspect";

defaultOption.value="";

suspectSelect.appendChild(defaultOption);

currentCase.suspects.forEach((person,index)=>{

const option=document.createElement("option");

option.value=index;

option.textContent=person.name;

suspectSelect.appendChild(option);

});

}


/*==========================================================
SOLVE
==========================================================*/

solveBtn.addEventListener("click",()=>{

if(currentCase===null){

alert("Generate a case first!");

return;

}

if(suspectSelect.value===""){

alert("Choose a suspect.");

return;

}

const choice=parseInt(suspectSelect.value);

const criminal=currentCase.criminal;

const guilty=currentCase.suspects[criminal];

resultBox.classList.remove("hidden");

if(choice===criminal){

resultContent.innerHTML=`

<h3 class="success">
✅ Case Solved!
</h3>

<br>

<p>

Excellent detective work.

</p>

<br>

<p>

<strong>Criminal:</strong>

<span class="highlight">

${guilty.name}

</span>

</p>

<br>

<p>

<strong>Reason:</strong>

${currentCase.reason}

</p>

`;

}

else{

resultContent.innerHTML=`

<h3 class="failure">

❌ Wrong Accusation

</h3>

<br>

<p>

You accused

<strong>

${currentCase.suspects[choice].name}

</strong>

</p>

<br>

<p>

The actual criminal was

<span class="highlight">

${guilty.name}

</span>

</p>

<br>

<p>

<strong>AI Investigation:</strong>

${currentCase.reason}

</p>

`;

}

resultBox.scrollIntoView({

behavior:"smooth"

});

});


/*==========================================================
LOAD FIRST CASE
==========================================================*/

generateCase();