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already")),void(i?i.show():t.classList.remove("d-none"));n.forEach((t,n)=>t.classList.toggle("d-none",n!==e)),t.classList.remove("d-none"),a.textContent=s,r.textContent=u,o.textContent=p,t.scrollIntoView({behavior:"smooth",block:"center"})},w=()=>{t.classList.add("d-none"),n.forEach(e=>e.classList.add("d-none"))},L=()=>{document.querySelectorAll(".drop-target-active, .drop-before, .drop-after, .chapter-drop-active, .drop-chapter-end").forEach(e=>e.classList.remove("drop-target-active","drop-before","drop-after","chapter-drop-active","drop-chapter-end"))};try{const t=JSON.parse(sessionStorage.getItem(p)||"null");t&&(sessionStorage.removeItem(p),requestAnimationFrame(()=>{const n=e?.querySelector(".timeline-shell");n&&(n.scrollLeft=t.left||0),window.scrollTo({top:t.top||0})}))}catch{sessionStorage.removeItem(p)}const S=e=>{try{const t=JSON.parse(e.dataTransfer.getData("application/json")||"{}");return t.type?t:u||{}}catch{return u||{}}};document.querySelectorAll("[data-drag-type][draggable='true']").forEach(e=>{e.addEventListener("dragstart",t=>((e,t)=>{const n={type:t.dataset.dragType,id:t.dataset.dragId,label:t.dataset.dragLabel||t.textContent.trim()};e.dataTransfer.effectAllowed="copyMove",e.dataTransfer.setData("application/json",JSON.stringify(n)),e.dataTransfer.setData("text/plain",`${n.type}:${n.id}`),u=n,document.body.classList.add("drag-active",`dragging-${n.type}`),t.classList.add("is-dragging")})(t,e)),e.addEventListener("dragend",()=>{e.classList.remove("is-dragging"),document.body.classList.remove("drag-active","dragging-scene","dragging-character","dragging-asset","dragging-location"),u=null,L()})}),t.querySelectorAll("[data-drag-cancel]").forEach(e=>e.addEventListener("click",w)),n.get("scene")?.addEventListener("submit",()=>{const t=e?.querySelector(".timeline-shell");try{sessionStorage.setItem(p,JSON.stringify({left:t?.scrollLeft||0,top:window.scrollY||0}))}catch{}}),e?.querySelectorAll(".timeline-scene-card[data-scene-id]").forEach(t=>{t.addEventListener("click",e=>{Date.now()<m&&(e.preventDefault(),e.stopPropagation())}),t.addEventListener("dragover",e=>{const n=S(e);["scene","character","asset"].includes(n.type)&&(e.preventDefault(),e.stopPropagation(),e.dataTransfer.dropEffect="scene"===n.type?"move":"copy",t.classList.add("drop-target-active"),t.classList.toggle("drop-before","scene"===n.type&&e.offsetX<t.clientWidth/2),t.classList.toggle("drop-after","scene"===n.type&&e.offsetX>=t.clientWidth/2))}),t.addEventListener("dragleave",()=>t.classList.remove("drop-target-active","drop-before","drop-after")),t.addEventListener("drop",a=>{const r=S(a);if(!["scene","character","asset"].includes(r.type))return;a.preventDefault(),a.stopPropagation(),m=Date.now()+800,t.classList.remove("drop-target-active","drop-before","drop-after");const o=t.dataset.sceneId;if("scene"===r.type){if(r.id===o)return void v("scene","Cannot move scene","Drop a scene before or after a different scene.","Scene move");const s=n.get("scene"),i=a.offsetX<t.clientWidth/2?"Before":"After",l=e.querySelector(`.timeline-scene-card[data-scene-id='${CSS.escape(r.id)}']`),c=l?.dataset.chapterLabel||"",d=t.dataset.chapterLabel||"";return h(s,"SceneID",r.id),h(s,"AnchorSceneID",o),h(s,"TargetChapterID",""),h(s,"Position",i),void v("scene","Move Scene?",y(r,c,d,i,t.dataset.dragLabel),"Scene move")}if("character"===r.type){const e=n.get("character");return h(e,"SceneID",o),h(e,"CharacterID",r.id),void v("character","Add character to scene",`Add ${r.label} to ${t.dataset.dragLabel}.`,"Character drop")}const s=n.get("asset-event");h(s,"SceneID",o),h(s,"StoryAssetID",r.id),h(s,"EventTitle",""),v("asset-event","What happens to this asset?",`Add an event for ${r.label} in ${t.dataset.dragLabel}.`,"Asset drop")})}),e?.querySelectorAll(".timeline-scenes[data-chapter-drop-target]").forEach(t=>{const a=t.closest("[data-chapter-drop-target]"),r=t.dataset.chapterId||a?.dataset.chapterId,o=t.dataset.chapterLabel||a?.dataset.chapterLabel||"this chapter";t.addEventListener("dragover",e=>{"scene"===S(e).type&&r&&(e.target.closest(".timeline-scene-card[data-scene-id]")||(e.preventDefault(),e.dataTransfer.dropEffect="move",t.classList.add("drop-target-active","drop-chapter-end"),a?.classList.add("chapter-drop-active")))}),t.addEventListener("dragleave",e=>{t.contains(e.relatedTarget)||(t.classList.remove("drop-target-active","drop-chapter-end"),a?.classList.remove("chapter-drop-active"))}),t.addEventListener("drop",a=>{const s=S(a);if("scene"!==s.type||!r)return;if(a.target.closest(".timeline-scene-card[data-scene-id]"))return;a.preventDefault(),a.stopPropagation(),m=Date.now()+800,L();const i=e.querySelector(`.timeline-scene-card[data-scene-id='${CSS.escape(s.id)}']`);if(i?.dataset.chapterId===r&&t.lastElementChild?.dataset?.sceneId===s.id)return void v("scene","Scene already here",`${s.label} is already at the end of ${o}.`,"Scene move");const l=n.get("scene");h(l,"SceneID",s.id),h(l,"AnchorSceneID",""),h(l,"TargetChapterID",r),h(l,"Position","End"),v("scene","Move Scene?",y(s,i?.dataset.chapterLabel||"",o,"After",o),"Scene move")})});const b=n.get("asset-dependency"),E=()=>{const e=b?.dataset.sourceLabel||"Source asset",n=b?.dataset.targetLabel||"Target asset",a=g(b?.querySelector("[name='AssetDependencyTypeID']"))||"Requires",r=g(b?.querySelector("[name='SourceRequiredStateID']"))||"the required state",o=g(b?.querySelector("[name='TargetBlockedStateID']"))||"the blocked state",s=t.querySelector("[data-asset-dependency-preview]");s&&(s.textContent=`${e} ${a.toLowerCase()} ${n}. ${e} should be ${r} before ${n} can be ${o}.`)};b?.querySelectorAll("select").forEach(e=>e.addEventListener("change",E)),document.querySelectorAll("[data-asset-drop-target], .drag-chip.asset").forEach(e=>{e.addEventListener("dragover",t=>{"asset"===S(t).type&&(t.preventDefault(),t.dataTransfer.dropEffect="copy",e.classList.add("drop-target-active"))}),e.addEventListener("dragleave",()=>e.classList.remove("drop-target-active")),e.addEventListener("drop",t=>{const n=S(t),a=e.dataset.assetId||e.dataset.dragId,r=e.dataset.assetLabel||e.dataset.dragLabel||e.textContent.trim();"asset"===n.type&&a&&(t.preventDefault(),e.classList.remove("drop-target-active"),n.id!==a?(h(b,"SourceAssetID",n.id),h(b,"TargetAssetID",a),b.dataset.sourceLabel=n.label,b.dataset.targetLabel=r,E(),v("asset-dependency","Create asset dependency",`${n.label} -> ${r}`,"Asset dependency")):v("asset-dependency","Cannot create dependency","Drop one asset onto a different asset.","Asset dependency"))})}),document.querySelectorAll("[data-drag-type='location']").forEach(e=>{e.addEventListener("dragover",t=>{"location"===S(t).type&&(t.preventDefault(),t.dataTransfer.dropEffect="copy",e.classList.add("drop-target-active"))}),e.addEventListener("dragleave",()=>e.classList.remove("drop-target-active")),e.addEventListener("drop",t=>{const a=S(t),r=e.dataset.dragId,o=e.dataset.dragLabel||e.textContent.trim();if("location"!==a.type)return;if(t.preventDefault(),e.classList.remove("drop-target-active"),a.id===r)return void v("location-relationship","Cannot create relationship","Drop one location onto a different location.","Location relationship");const s=n.get("location-relationship");h(s,"FromLocationID",a.id),h(s,"ToLocationID",r),v("location-relationship","Create location relationship",`${a.label} -> ${o}`,"Location drop")})})})();